Sirius XM Radio DTR0200 ALU Repeater User Manual 00 DTR Iss 1
Sirius XM Radio Inc. ALU Repeater 00 DTR Iss 1
Contents
- 1. Users Manual Part 1
- 2. Users Manual Part 2
Users Manual Part 2
| Download: |  |
| Mirror Download [FCC.gov] | |
| Document ID | 2178713 |
| Application ID | NGSTBF59Lw8KXqMfWwHyGQ== |
| Document Description | Users Manual Part 2 |
| Short Term Confidential | No |
| Permanent Confidential | No |
| Supercede | No |
| Document Type | User Manual |
| Display Format | Adobe Acrobat PDF - pdf |
| Filesize | 309.29kB (3866112 bits) |
| Date Submitted | 2014-01-27 00:00:00 |
| Date Available | 2014-03-14 00:00:00 |
| Creation Date | 2008-03-16 11:39:58 |
| Producing Software | Acrobat Distiller 7.0.5 for Macintosh |
| Document Lastmod | 2013-10-08 13:12:27 |
| Document Title | 00-DTR Iss 1.book |
| Document Creator | FrameMaker 7.0 |
| Document Author: | Fred Fass - Alcatel-Lucent Technical Writer |
3EM21522AAAA
Issue 1, March 2008
MAINTENANCE
6.1
GENERAL
Maintenance
DTR-0200-SA-SIRIUS
This section addresses repeater faults, fault identification, fault troubleshooting,
removal and replacement of faulty item(s), and final system testing.
6.2
MAINTENANCE PHILOSOPHY
Repeater maintenance is limited to removal and replacement of least replaceable
units (SPU, HPA, RF Coupler, RF Detector(s) and fixed hardware components such as
air filter, fans, and cables) and modification of GUI screen parameters. The user is not
authorized to attempt repair of any LRU. Repair or replacement of any other components, such as the PDU, Band Pass Filter, or internal heater requires replacement of
the entire repeater assembly. Prior to shipping a repeater back to Alcatel-Lucent, contact the Customer Technical Assistance Center (CTAC) to discuss the problem. See
CTAC contact instructions in the Front Matter section of this manual.
6.3
TEST EQUIPMENT
The only test equipment required is a PC.
6.4
SPECIAL TOOLS
Two special wrenches are required to perform maintenance on the HPA and the RF
Coupler.
• HPA RF CONNECTOR WRENCH:
1 1/4-inch open-end, overall length not to exceed four inches. Maximum
thickness 1/2 inch.
• RF COUPLER WRENCH:
1 1/8-inch open-end, overall length not to exceed five inches. Maximum
thickness 1/8 inch.
6.5
PREVENTIVE MAINTENANCE
The only required scheduled preventive maintenance is for the rear door air filter
assembly. As a general rule, it is recommended replacing the air filter every 6 months
under normal conditions or every 3 months in dusty environments. Under extremely
dusty conditions or in a windy environment near open areas with loose blowing sand/
dirt, it is recommended that filters be inspected more frequently and adjusting
replacement intervals as deemed necessary.
6.6
TROUBLESHOOTING OVERVIEW
Troubleshooting can be performed remotely and locally as described in the following
paragraphs.
6.6.1 Remote Troubleshooting Overview
Remote troubleshooting is performed at the NMC by an operator using the GUI screens.
When the cause of the fault is identified, the user determines if the fault can be corrected from the NMC. If not, a maintenance technician is dispatched to the repeater site.
6-1
Maintenance
DTR-0200-SA-SIRIUS
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Issue 1, March 2008
6.6.2 Local Troubleshooting Overview
Local troubleshooting is performed at the repeater site by a dispatched technician
using a PC, GUI screens (or CLI), and external test equipment. When the fault is corrected, the technician follows on with a system test. When satisfied that the repeater
is operating correctly, coordination between the technician and the NMC operator
returns the repeater back to the remote operating condition and broadcast mode.
6.7
REPEATER ALARM INDICATORS
Alarms are indicated on GUI Status screens, GUI Alarms screens, and front panel
LEDs. Refer to Appendix D, Alarm Descriptions, Causes, and Corrections.
6.8
TROUBLESHOOTING PROCEDURES
6.8.1 Remote Troubleshooting/Repair Procedures
• Upon receipt of an alert via the repeater site TELCO line, NMC personnel
will evaluate the indicated problem(s). Refer to the Operations section for
instructions on use of the GUI.
• Access the GUI
• View the Alarms screens for indicated problem identification.
• View the Status screens for additional information.
• If it is determined that the problem(s) can be corrected remotely, access the
necessary GUI screens and correct as required.
• If it is determined that the problem(s) cannot be corrected from the NMC,
take the necessary steps to dispatch a technician to the repeater site to
perform local maintenance.
6.8.2 Local Troubleshooting/Repair Procedures
When indicated cautionary statements are adhered to by the technician during
maintenance, the equipment is unlikely to present a hazard to the technician or the
structure.
WARNING
Possibility of
Damage
to Equipment
The front and rear doors of the repeater cabinet are secured by
draw latches and captive locking screws. There are two latches
and two locking screws on the cabinet front door and two latches
and one locking screw on the cabinet rear door (see figure 6-1). It is
imperative that opening and/or closing of these doors be done in
the provided sequence. Failure to follow the sequence could result
in door warping or bending and render the cabinet water protection system invalid.
6-2
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Issue 1, March 2008
Maintenance
DTR-0200-SA-SIRIUS
Opening the Door – first release the captive locking screw(s) then
undo the draw latches.
Closing the Door – first secure the draw latches then tighten the
captive locking screw(s).
Locking Screws
Latches
Front Door
DTR-1092
10/28/07
Figure 6 - 1 Locking Screws and Latches (Sheet 1 of 2)
Locking Screw
Latches
ear
oor
DTR-1093
10/28/07
Figure 6 - 1 Locking Screws and Latches (Sheet 2 of 2)
6-3
Maintenance
DTR-0200-SA-SIRIUS
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Issue 1, March 2008
NMC coordination must be accomplished prior to repeater being
switched to Local operating condition. This will prevent conflicting actions between the NMC and on-site operator(s) and preclude
possible personal injury and/or equipment damage.
• Switch the repeater to the Local operating condition.
• Connect the PC to a repeater Ethernet (LAN) connector on the back panel
of the Controller (or to the SPU front panel RS-232 connector for CLI if an
active LAN connector is not available).
• View the SPU front panel indicators.
• Access GUI (or CLI screens).
• Use the Alarms and Status GUI in conjunction with the SPU front panel
indications to help identify problem(s).
• Refer to Appendix D, “Alarm Descriptions, Causes, and Suggested
Responses”, for procedures to correct problems.
• Access the GUI screens and enter changes as required.
• Remove and replace components if required.
• Major unit replacement requires parameter updating.
• Run repeater test on completion of troubleshooting/repair.
• Coordinate with the NMC and return repeater to the Remote operating
condition.
When working in the vicinity of fans (under repeater roof or
replacing air filter on repeater back door), power to fans must be
removed.
6-4
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Issue 1, March 2008
Maintenance
DTR-0200-SA-SIRIUS
WARNING
Possibility of
Damage
to Equipment
POSSIBILITY OF EQUIPMENT AND/OR STRUCTURE DAMAGE DUE TO FIRE. Any fuse replacement must be with an
exact fuse value (size, rating, capacity) as the fuse being
replaced.
6.9
REMOVAL AND REPLACEMENT (R/R) PROCEDURES
Table 6-1 Remove/Replace Matrix
UNIT
PROCEDURE
Signal Processing Unit (SPU)
Refer to Chart 1
High Power Amplifier (HPA)
Refer to Chart 2
RF Detectors
Refer to Chart 3
RF Coupler
Refer to Chart 4
Rear Door Intake Fans 1 & 2
Refer to Chart 5
Under Roof Exhaust Fans 3 & 4
Refer to Chart 6
Fan Relays R1/R2
Refer to Chart 7
Rear Door Air Filter
Refer to Chart 8
PDU Front Access Circuit Breakers
Refer to Chart 9
Power Distribution Unit (PDU)
Replace Repeater
Band Pass Filter
Replace Repeater
Internal Heater
Replace Repeater
6-5
6-6
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Issue 1, March 2008
Maintenance
DTR-0200-SA-SIRIUS
Chart 1 Remove and Replace signal Processing Unit (SPU)
Main power to repeater must be off.
STEP
PROCEDURE
REMOVAL
Open front and rear doors
To open front door
Release two locking screws then release two door latches.
To open rear door
Release one locking screw then release two door latches
Coordinate with NMC and switch repeater to local operating condition.
Switch all repeater PDU circuit breakers to OFF switching main
breaker last
Switch OFF commercial power source breaker supplying power to
repeater.
Hang “DANGER – DO NOT TURN ON – PERSONNEL WORKING” sign at
commercial power source breaker.
See Figure 6 - 2 for SPU rear cable connector panels (VSAT rcvr,
modulator, controller, and up–converter) and disconnect all cables. Be
sure to mark cables for ease in reconnecting.
Remove SPU via front of cabinet.
6-7
Maintenance
DTR-0200-SA-SIRIUS
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Issue 1, March 2008
Figure 6 - 2 SPU Rear Connector Panels
STEP
PROCEDURE CONT.
REPLACEMENT
Insert new SPU into cabinet.
Reconnect all cables.
10
Switch ON commercial power source breaker and remove danger sign.
11
Switch ON main PDU circuit breaker.
12
Switch ON remaining PDU circuit breaker.
13
Perform parameter changes.
When the SPU is replaced, various parameters must be changed. The
following steps identify the required parameter changes. The steps are
described using the GUI screens but the changes can also be made
using the CLI screens.
CONFIG
• CONFIG>Modulator>Repeater ID
• CONFIG>Coupler
(enter the Forward and Reflected Port Offset values. These values are on labels affixed to the RF Detectors).
• CONFIG>PPP Parameters (Dial-in, Dial-out, Misc.).
(these values are obtained from the SIRIUS Network Manager).
• CONFIG>Site
(this information is furnished by the SIRIUS network Manager).
6-8
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Issue 1, March 2008
STEP
Maintenance
DTR-0200-SA-SIRIUS
PROCEDURE CONT.
ALARMS
• ALARMS>Alarm Properties
(set SIRIUS specified alarm traps ON or OFF for NMS alerting).
NMS USERS
• NMS USERS>User Properties
Auth Type = SHA
Priv Type = DES.
SYSTEM PARAMETERS
• SYSTEM PARAMETERS>Network Parameters
(reset per SIRIUS network manager information).
• SYSTEM PARAMETERS>SNMP Parameters
(set SNMP Traps to ON and enter SNMP server IP address).
• SYSTEM PARAMETERS>Heartbeat Time
(set time for minimum NMC interference; Heartbeat will display
on Alarms Log).
• SYSTEM PARAMETERS>System Reset
At completion of System Parameters changes, perform System
Reset to allow changes to take effect.
CONFIG
• CONFIG>Repeater Operating Mode
(set operating mode to Broadcast).
14
Perform repeater operational test as described in the Turn-Up section
of this manual.
15
Coordinate with NMC and return repeater to remote operating
condition.
To Close Front Door
Secure two door latches then tighten two locking screws.
To Close Rear Door
Secure two door latches then tighten one locking screw.
6-9
6-10
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Maintenance
DTR-0200-SA-SIRIUS
Chart 2 Remove and Replace High Power Amplifier (HPA)
Main power to repeater must be off.
This procedure requires a 1 1/4” open end wrench with an overall length of
no more than 4 inches to disconnect and reconnect the RF OUT cable.
STEP
PROCEDURE
REMOVAL
Open front and rear doors.
To open front door
Release two locking screws then release two door latches.
To open rear door
Release one locking screw then release two door latches.
Coordinate with NMC and switch repeater to local operating condition.
Switch all repeater PDU circuit breakers to OFF, switching main
breaker last.
Switch OFF commercial power source breaker supplying power to
repeater.
Hang “DANGER – DO NOT TURN ON – PERSONNEL WORKING” sign at
commercial power source breaker.
See Figure 6 - 3 for HPA rear panel cable connectors and disconnect HPA
cables (AC IN, RF OOUT, CONTROL I/F, RF IN). Be sure to mark
cables for proper reconnecting.
Remove HPA via front of cabinet.
6-11
Maintenance
DTR-0200-SA-SIRIUS
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Issue 1, March 2008
Figure 6 - 3 HPA Rear Panel Connectors
STEP
PROCEDURE CONT.
REPLACEMENT
Insert new HPA into cabinet.
WARNING
Possibility of
Damage
to Equipment
RF Connector must be installed properly to prevent RF leakage and/or arcing.
Reconnect all cables (use 1 1/4” open-end wrench on RF OUT cable
connector).
10
Switch ON commercial power source breaker and remove danger sign.
11
Switch ON main PDU circuit breaker.
12
Switch ON remaining PDU circuit breakers.
13
Access GUI Global Status screen and check all values.
14
set repeater operating mode to Broadcast.
15
Coordinate with NMC and return repeater to Remote operating
condition.
16
Close front and rear doors.
To close front door
Secure two door latches then tighten two locking screws.
To close rear door
Secure two door latches then tighten one locking screw.
6-12
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Issue 1, March 2008
Maintenance
DTR-0200-SA-SIRIUS
Chart 3 Remove and Replace RF Detector(s)
Main power to repeater must be off.
Prior to removal of detector(s), tag each to identify which is the forward RF
detector and which is the reflected RF detector. Failure to install detectors
correctly will cause the wrong feedback signals to be transmitted to the
main controller. This in turn will cause HPA power problems and inaccurate power readings.
DB-9 Connector to SPU Controller
RF Detector
SMA Connector to RF Coupler
DTR-1045
07/17/07
Figure 6 - 4 RF Detector
6-13
Maintenance
DTR-0200-SA-SIRIUS
STEP
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Issue 1, March 2008
PROCEDURE
REMOVAL
Open front and rear doors.
To Open Front Door
Release two locking screws then release two door latches
To Open Rear Door
Release one locking screw then release two door latches.
Coordinate with NMC and switch repeater to Local operating condition.
Switch OFF all repeater PDU circuit breakers, switching repeater main
breaker last.
Switch OFF commercial power source breaker supplying power to
repeater.
Hang “DANGER – DO NOT TURN ON – PERSONNEL WORKING” sign at
commercial power source breaker.
Before removing RF detectors, tag each as FWD or REFL. The vertical detector is the FWD and the horizontal detector is the REFL. If the detectors are
not connected properly during reinstallation, the RF power feedback signals
to the main controller will be incorrect.
Loosen SMA connector(s) on detector(s) and remove detector(s) from RF
coupler.
Disconnect detector cable connector(s) from SPU controller rear panel
(FWD RF DETECTOR, REF RF DETECTOR).
Remove detector(s) from repeater.
6-14
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Issue 1, March 2008
STEP
Maintenance
DTR-0200-SA-SIRIUS
PROCEDURE CONT.
REPLACEMENT
Connect detector cable(s) to SPU controller rear panel (FWD RF
DETECTOR, REF RF DETECTOR) ensuring correct detector connects
to correct connector. Refer to NOTE preceding step 5.
10
Connect RF detector(s) to RF coupler and tighten SMA connector(s).
Ensure that proper detector is connected to the proper connector on the
RF coupler. Refer to NOTE preceding step 5 above.
11
Close commercial power source breaker and remove danger sign.
12
Close repeater main PDU circuit breaker.
13
Close remaining repeater PDU circuit breakers.
14
Access GUI Global Status screen and check RF Power Out values.
15
Set operating mode to Broadcast.
16
Coordinate with NMC and return repeater to remote operating
condition.
17
Close front and rear doors.
To Close Front Door
Secure two door latches then tighten two locking screws.
To Close Rear Door
Secure two door latches then tighten one locking screw.
6-15
6-16
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Issue 1, March 2008
Maintenance
DTR-0200-SA-SIRIUS
Chart 4 Remove and Replace RF Coupler
Main power to repeater must be off.
This procedure requires a 1 1/8” open end wrench with an overall length of
no more than 5 inches and a maximum thickness of 1/8” to disconnect and
reconnect the RF Coupler securing nuts.
Adapter Plate Securing Hardware
RF Coupler Connecting Nuts
RF Coupler
RF Monitor Cable Connector (FWD)
RF Monitor Cable Connector (REF)
RF Detector (FWD)
RF Detector (REF)
Band Pass Filter
DTR-1046
07/17/07
Figure 6 - 5 RF Coupler and Detectors
6-17
Maintenance
DTR-0200-SA-SIRIUS
STEP
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Issue 1, March 2008
PROCEDURE
REMOVAL
Open front and rear doors.
To Open Front Door
Release two locking screws then release two door latches.
To Open Rear Door
Release one locking screw and then release two door latches.
Coordinate with NMC and switch repeater to Local operating condition.
Switch OFF all repeater PDU circuit breakers switching repeater main
breaker last.
Switch OFF commercial power source breaker supplying power to
repeater.
Hang “DANGER – DO NOT TURN ON – PERSONNEL WORKING” sign at
commercial power source breaker.
Before removing RF detectors, tag each as FWD or REFL. The vertical detector is the FWD and the horizontal detector is the REFL. Also do the same
with the RF power monitor cables connected to the RF coupler. If the detectors and the monitor cables are not connected properly during reinstallation, the RF power feedback signals to the main controller and to the
junction box monitor jacks will be incorrect.
Loosen SMA connectors on both detectors and remove detectors from
RF coupler.
Remove monitor cables from RF coupler.
Loosen RF coupler elbow adapter screws to allow movement of adapter.
Loosen RF coupler connecting nuts and remove coupler/detector
assembly.
6-18
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Issue 1, March 2008
STEP
Maintenance
DTR-0200-SA-SIRIUS
PROCEDURE CONT.
REPLACEMENT
10
Install coupler and tighten connecting nuts and elbow adapter screws.
11
Connect RF detectors to new coupler ensuring that proper detector is
connected to the proper connector. Refer to NOTE preceding step 6
above.
12
Connect RF monitor cables to the RF coupler ensuring that proper
cable is connected to proper connector. Refer to NOTE preceding step 6
above.
13
Switch ON commercial power source breaker and remove danger sign.
14
Switch ON repeater main PDU circuit breaker.
15
Switch ON remaining repeater PDU circuit breakers.
16
Access GUI Global Status screen and check RF Power Out values.
17
Set operating mode to Broadcast.
18
Coordinate with NMC and return repeater to Remote operating
condition.
19
Close front and rear doors.
To Close Front Door
Secure two door latches then tighten two locking screws.
To Close Rear Door
Secure two door latches then tighten one locking screw.
6-19
6-20
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Issue 1, March 2008
Maintenance
DTR-0200-SA-SIRIUS
Chart 5 Remove and Replace Rear Door Intake Fan(s)
Main power to repeater must be off.
Figure 6 - 6 Rear Door Intake Fans
6-21
Maintenance
DTR-0200-SA-SIRIUS
STEP
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Issue 1, March 2008
PROCEDURE
REMOVAL
Open front and rear doors
To Open Front Door
Release two locking screws then release two door latches.
To Open Rear Door
Release one locking screw then release two door latches.
Coordinate with NMC and switch repeater to Local operating condition.
Switch OFF all repeater PDU circuit breakers switching main breaker
last.
Switch OFF commercial power source breaker supplying power to
repeater.
Hang “DANGER – DO NOT TURN ON – PERSONNEL WORKING” sign at
commercial power source breaker.
Disconnect and remove power wires from fan terminal block (see Figure
6 - 7).
Remove retaining hardware from fan mounting studs.
Remove fan from mounting studs.
Figure 6 - 7 Fan Terminal Block
6-22
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Issue 1, March 2008
STEP
Maintenance
DTR-0200-SA-SIRIUS
PROCEDURE CONT.
REPLACEMENT
Install new fan on mounting studs.
10
Replace and tighten fan securing hardware.
11
Reconnect power wires to fan terminal block.
12
Switch ON commercial power source breaker and remove danger sign.
13
Switch ON main PDU circuit breaker.
14
Switch ON remaining PDU circuit breakers.
15
Set operating mode to Broadcast.
16
Coordinate with NMC and return repeater to Remote operating
condition.
17
Close front and rear doors.
To Close Front Door
Secure two door latches then tighten two locking screws.
To Close Rear Door
Secure two door latches then tighten one locking screw.
6-23
6-24
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Issue 1, March 2008
Maintenance
DTR-0200-SA-SIRIUS
Chart 6 Remove and Replace Under Roof Exhaust Fan(s)
Main power to repeater must be off.
Figure 6 - 8 Under Roof Exhaust Fans
6-25
Maintenance
DTR-0200-SA-SIRIUS
STEP
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Issue 1, March 2008
PROCEDURE
REMOVAL
Open front and rear doors.
To Open Front Door
Release two locking screws then release two door latches.
To Open Rear Door
Release one locking screw then release two door latches.
Coordinate with NMC to switch repeater to Local operating condition.
Switch all repeater PDU circuit breakers to OFF, switching main
breaker last.
Switch OFF the commercial power source main breaker which supplies
power to repeater.
Hang “DANGER – DO NOT TURN ON – PERSONNEL WORKING” sign at
commercial power source breaker.
Remove cabinet roof by removing four wing screws from interior of
cabinet (Figure 6 - 9) and two eye bolts and their plastic spacers from
exterior of roof (Figure 6 - 10).
Disconnect and remove power wires from fan terminal blocks
(Figure 6 - 11).
Remove retaining hardware from fan mounting studs.
Remove fan(s) from mounting studs.
6-26
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Issue 1, March 2008
Maintenance
DTR-0200-SA-SIRIUS
DTR-1094
10/31/07
Figure 6 - 9 Internal Wing Screws (4)
Figure 6 - 10 External Eye Bolts and Spacers (2)
6-27
Maintenance
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Issue 1, March 2008
Figure 6 - 11 Fan Terminal Block
STEP
PROCEDURE CONT.
REPLACEMENT
10
Install new fan(s) on mounting studs.
11
Replace and tighten fan securing hardware.
12
Reconnect power wires to fan terminal block.
13
Reinstall cabinet roof (Figure 6 - 12) and roof securing hardware (Figure
6 - 13).
When reinstalling the roof, the side with the larger nut plate goes to the
front of the cabinet.
6-28
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Issue 1, March 2008
Maintenance
DTR-0200-SA-SIRIUS
Nut Plates
DTR-1095
10/28/07
Figure 6 - 12 Roof Showing Nut Plates
Figure 6 - 13 Roof Securing Hardware
6-29
Maintenance
DTR-0200-SA-SIRIUS
STEP
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Issue 1, March 2008
PROCEDURE CONT.
14
Switch on commercial power source main breaker and remove danger
sign.
15
Switch on main PDU circuit breaker.
16
Switch on remaining PDU circuit breakers.
17
Set operating mode to Broadcast.
18
Coordinate with NMC and return repeater to Remote operating
condition.
19
Close front and rear doors.
To Close Front Door
Secure two door latches then tighten two locking screws.
To Close Rear Door
Secure two door latches then tighten one locking screw.
6-30
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Issue 1, March 2008
Maintenance
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Chart 7 Remove and Replace Fan Relay R1 and/or R2
Main power to repeater must be off.
Relay R1 controls the roof fans; relay R2 controls the rear door fans.
Figure 6 - 14 Fan Relays
6-31
Maintenance
DTR-0200-SA-SIRIUS
STEP
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Issue 1, March 2008
PROCEDURE
REMOVAL
Open front and rear doors.
To Open Front Door
Release two locking screws then release two door latches.
To Open Rear Door
Release one locking screw then release two door latches.
Coordinate with NMC to switch repeater to local operating condition.
Switch OFF all repeater PDU circuit breakers switching main breaker
last.
Switch OFF commercial power source breaker supplying power to
repeater.
Hang “DANGER – DO NOT TURN ON – PERSONNEL WORKING” sign at
commercial power source breaker.
SPU –
6-32
Disconnect all cables from rear of SPU.
Remove rack screws from front panel of SPU.
Slide SPU out of cabinet.
PDU –
Disengage the metal strap securing the relay. Use a flat object (e.g.,
screwdriver) along side the relay bottom to pry the band loose.
Unplug the relay from its socket.
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Issue 1, March 2008
STEP
Maintenance
DTR-0200-SA-SIRIUS
PROCEDURE CONT.
REPLACEMENT
Insert the new relay into its socket.
Replace metal securing strap on relay.
10
Insert SPU into cabinet.
11
Secure SPU by replacing mounting screws through front panel.
12
Reinstall all connecting cables to rear connectors of SPU.
13
Close rear cabinet door by securing two draw latches and then
tightening door locking screw.
14
Switch ON commercial power source breaker and remove danger sign.
15
Switch ON PDU main circuit breaker.
16
Switch ON PDU remaining circuit breakers.
17
Confirm that all fans are operational.
18
Set operating mode to Broadcast.
19
Coordinate with NMC and return repeater to Remote operating
condition.
20
Close front cabinet door by securing two draw latches and tightening
two door locking screws.
6-33
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Maintenance
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Chart 8 Remove and Replace Rear Door Air Filter
Main power to repeater must be off.
Figure 6 - 15 Rear Door and Filter Assembly
6-35
Maintenance
DTR-0200-SA-SIRIUS
STEP
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Issue 1, March 2008
PROCEDURE
REMOVAL
Open front and rear doors.
To Open Front Door
Release two locking screws then release two door latches.
To Open Rear Door
Release one locking screw then release two door latches.
Coordinate with NMC and switch repeater to Local operating condition.
Switch OFF all repeater PDU circuit breakers switching main breaker
last.
Switch OFF commercial power source main breaker supplying power to
repeater.
Hang “DANGER – DO NOT TURN ON – PERSONNEL WORKING” sign at
commercial power source breaker.
Remove five filter assembly retaining screws from inside of rear door
(Figure 6 - 16).
Remove air filter assembly (Filter and Louver Plate/Storm Hood) from
rear door (see Figure 6 - 17 and Figure 6 - 18).
Figure 6 - 16 Filter Assembly Retaining Screws (Inside of Rear Door)
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Maintenance
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Figure 6 - 17 Air Filter Assembly
Figure 6 - 18 Air Filter Assembly (Filter and Louver Plate)
6-37
Maintenance
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STEP
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Issue 1, March 2008
PROCEDURE CONT.
REPLACEMENT
Install new filter onto louver plate.
Using five retaining screws, re-attach filter assembly to cabinet rear
door.
10
Switch ON commercial power source main breaker and remove danger
sign.
11
Switch ON main PDU circuit breaker.
12
Switch ON remaining PDU circuit breakers.
13
Set operating mode to Broadcast.
14
Coordinate with NMC and return repeater to Remote operating
condition.
15
Close front and rear doors.
To Close Front Door
Secure two door latches then tighten two locking screws.
To Close Rear Door
Secure two door latches then tighten one locking screw.
6-38
3EM21522AAAA
Issue 1, March 2008
Maintenance
DTR-0200-SA-SIRIUS
Chart 9 Remove and Replace PDU Front Access Circuit Breakers
Main power to repeater must be off.
Figure 6 - 19 PDU Front Panel
STEP
PROCEDURE
REMOVAL
Open front door.
To Open Front Door
Release two locking screws then release two door latches.
Coordinate with NMC and switch repeater to Local operating condition.
Switch OFF all repeater PDU circuit breakers switching main breaker
last.
6-39
Maintenance
DTR-0200-SA-SIRIUS
STEP
3EM21522AAAA
Issue 1, March 2008
PROCEDURE CONT.
Switch OFF commercial power source breaker supplying power to
repeater.
Hang “DANGER – DO NOT TURN ON – PERSONNEL WORKING” sign at
commercial power source breaker.
From front of cabinet remove PDU securing screws.
Carefully pull the PDU away from the rack.
The PDU can only be pulled out approximately six inches.
Remove the PDU face plate screws.
For the circuit breaker in question note and label the breaker wiring.
10
Disconnect the wiring for the specific breaker.
11
Remove the breaker securing screws.
12
Remove the breaker.
6-40
3EM21522AAAA
Issue 1, March 2008
STEP
Maintenance
DTR-0200-SA-SIRIUS
PROCEDURE CONT.
REPLACEMENT
13
Insert new breaker; install and tighten breaker securing screws.
14
Connect and secure breaker wires.
15
Reposition face plate and secure with face plate screws.
16
Set PDU back into the cabinet and secure with mounting screws.
17
Switch ON commercial power source breaker and remove danger sign.
18
Switch ON PDU main circuit breaker.
19
Switch ON PDU remaining circuit breakers.
20
Set operating mode to Broadcast.
21
Coordinate with NMC and return repeater to Remote operating
condition.
22
Close front cabinet door by securing two draw latches and tightening
two door locking screws.
6.10
CABLE REPLACEMENT
For cable replacement refer to Repeater Cable Drawings and part number listing in
Appendix C.
6.11
FINAL SYSTEM TESTING
Refer to Turn-Up and Testing, Section 4, for Repeater System Test procedure.
6-41
6-42
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3EM21522AAAA
Issue 1, March 2008
REPEATER DIAGRAMS
A.1
GENERAL
Appendix A
DTR-0200-SA-SIRIUS
This section contains repeater support information and drawings.
A.2
Title
LIST OF DRAWINGS
Drawing No.
System Document Mapping ..................................................................3EM 04000 0000 ADZZA
System Application Rules .................................................................... 3EM 04000 0000 BGZZA
(Sheet 1 of 3)
Transmit Antenna Configurations. ..................................................... 3EM 04000 0000 BGZZA
(Sheets 2 and 3 of 3)
Equipping Option Drawing................................................................... 3EM 04000 0000 BJZZA
(3 of 3)
Signal Flow Drawing............................................................................. 3EM 04000 0000 EBZZA
(Sheet 1 of 5)
Simplified Functional Block Diagram .................................................. 3EM 04000 0000 EBZZA
(Sheet 2 of 5)
HPA RF Block Diagram ........................................................................ 3EM 04000 0000 EBZZA
(Sheet 3 of 5)
SPU Block Diagram .............................................................................. 3EM 04000 0000 EBZZA
(Sheet 4 of 5)
PDU Block Diagram .............................................................................. 3EM 04000 0000 EBZZA
(Sheet 5 of 5)
A-1
A-2
This page intentionally left blank.
3EM21522AAAA
Issue 1, March 2008
Appendix B
DTR-0200-SA-SIRIUS
ALCATEL-LUCENT PART NUMBERS
B.1
LRU PART NUMBERS
See Table B-1 for Alcatel-Lucent LRU part numbers.
Table B-1 Repeater LRU Part Numbers
Item
B.2
Alcatel-Lucent Part Number
Repeater Assembly
3EM04000AA
SPU
3EM04001AA
HPA
3EM04002AA
RF Coupler Assembly
3EM21627AA
RF Detector
3EM20401AA
Cabinet Fans
1AB 35914 0001
Fan Relay
1AB 37003 0001
Main Circuit Breaker CB0
1AB 36981 0001
SPU Circuit Breaker CB1
1AB 37239 0002
HPA Circuit Breaker CB2
1AB 37239 0004
Fans Circuit Breaker CB3
1AB 37239 0002
External Heater Circuit Breaker CB4
1AB 37239 0001
Aux Power Circuit Breaker CB5
1AB 37239 0003
Internal Heater Circuit Breaker CB6
1AB 37239 0002
CABLE PART NUMBERS
See Table B-2 for module connecting cables part numbers and descriptions.
Table B-2 Intermodule Connecting Cables
ALU P/N
3EM21705AA
Connects To
VSAT RCVR
(ASI OUT 2)
Connector Type
BNC Straight Plug
Connects To
SPU Controller
(ASI B)
ASI OUT 2 on VSAT RX
Connector Type
BNC Straight Plug
ASI B on Controller
23EM21705AA
BNC Connectors on both ends
23EM21705AA
06/30/07
B-1
Appendix B
DTR-0200-SA-SIRIUS
3EM21522AAAA
Issue 1, March 2008
Table B-2 Intermodule Connecting Cables (Continued)
ALU P/N
3EM21711AA
Connects To
Connector Type
SPU Modulator
(Ethernet)
RJ-45
Connects To
SPU Controller
(Ethernet)
Ethernet Port on Modulator
Connector Type
RJ-45
Ethernet Port on Controller
3EM21711AA
RJ-45 Connectors on both ends
3EM21711AA
06/30/07
3EM21713AA
Junction Box
(CPL FWD)
N-Type Connector
RF Coupler
(FWD)
SMA Straight
Connector
FWD on Junction Box Panel
FWD RF Coupler
3EM21713AA
N-Type Bulkhead Connector
SMA Connector On Coupler Side
3EM21713AA-FWD
06/30/07
3EM21713AA
Junction Box
(CPL REF)
N-Type Connector
RF Detector
(REF)
SMA Straight
Connector
REF on Junction Box Panel
REF RF Coupler
3EM21713AA
N-Type Bulkhead Connector
SMA Connector On Coupler Side
3EM21713AA-REF
06/30/07
B-2
3EM21522AAAA
Issue 1, March 2008
Appendix B
DTR-0200-SA-SIRIUS
Table B-2 Intermodule Connecting Cables (Continued)
ALU P/N
Connects To
3EM21714AA
BP Filter (RF IN)
Connector Type
7/16 DIN Male
Right Angle
Connects To
HPA (RF OUT)
Connector Type
7/16 DIN Male
RF OUT on HPA
RF IN on Band Pass Filter
3EM21714AA
SMA Connectors on both sides
3EM21714AA
06/30/07
3EM21715AA
Junction Box
(VSAT IN)
T&B Snap-N-Seal
Connector
VSAT Connector on Junction Box
VSAT RCVR
(VSAT ANT)
T&B Snap-N-Seal
Connector
VSAT ANTENNA on VSAT RX
3EM21715AA
T&B Snap-N-Seal Connectors on both sides
3EM21715AA
06/30/07
3EM21716AA
Junction Box
(GPS IN)
N-Type Straight
Cable Plug
SPU Controller
(GPS ANT)
SMA Straight
Cable Plug
Heat Shrink Tubing
Heat Shrink Tubing
3EM21716AA
N-Type Plug at junction box side
SMA at Controller side
3EM21716AA
06/30/07
B-3
Appendix B
DTR-0200-SA-SIRIUS
3EM21522AAAA
Issue 1, March 2008
Table B-2 Intermodule Connecting Cables (Continued)
ALU P/N
Connects To
3EM21717AA
HPA (IF-RS485)
Connector Type
DB-9, Male
CONTROL IF on HPA
Connects To
SPU Controller
(PA CONTROL)
Connector Type
DB-9, Female
PA CONTROL on Connector
3EM21717AA
DB-9 Connectors on both ends
3EM21717AA
06/30/07
3EM21718AA
HPA (RF IN)
N-Type Straight
Cable Plug
Up-Converter
(RF OUT)
SMA Straight
Cable Plug
RF IN on HPA
RF OUT on Up-converter
3EM21718AA
N-Type Plug at HPA
RF OUT on Up-Converter
3EM21718AA
06/30/07
B.3
INTAKE AIR FILTER
PN 3EM22381 AAAA HCZZA
B-4
3EM21522AAAA
Issue 1, March 2008
Appendix C
DTR-0200-SA-SIRIUS
ALARM DESCRIPTION, LIKELY CAUSE, AND SUGGESTED RESPONSE
Alarms are listed alphabetically by alarm names as they appear on the GUI
Alarm screen
Deviating above a positive or below a negative temperature threshold will
cause an alarm as indicated in Table C-1. Following are the temperature
thresholds for the repeater:
C.1
HPA DEFAULT TEMPERATURE THRESHOLD
• HPA Warning Low Temperature . . . . . . . . . . . . . . . . . . . . . -18˚C
• HPA Warning High Temperature . . . . . . . . . . . . . . . . . . . . +78˚C
• HPA Critical Low Temperature. . . . . . . . . . . . . . . . . . . . . . -30˚C
• HPA Critical High Temperature . . . . . . . . . . . . . . . . . . . . . +82˚C
C.2
HPA COLD START OPERATING TEMPERATURE THRESHOLD
This value is in the HPA Controller firmware and cannot be changed by the
operator. When the repeater is cold started below -18˚C in Broadcast or Test
mode, HPA DC power will be on but RF will be off until temperature is
equal to or higher than -18˚C.
• HPA Cold Start Operating Temperature: . . . . . . . . . . . . . . -18˚C
C.3
SPU OPERATING TEMPERATURE THRESHOLD
This value is set on the GUI screen under Config > Temperature
• SPU Operating Temperature Threshold: +75˚C
C-1
Appendix C
DTR-0200-SA-SIRIUS
C.4
3EM21522AAAA
Issue 1, March 2008
ALARM TABLE
See Table C-1 for alarm names, causes, and corrective responses.
Table C-1 Alarms, Possible Causes, and Suggested Response
Alarm
Description
Possible Cause
3.3V Voltage too high
SPU 3.3V Voltage is too
high >3.6V
SPU Power Supply Fault
Replace the SPU
5.0V Voltage too high
SPU 5.0V Voltage too
high >5.5V
SPU Power Supply Fault
Replace the SPU
12.0V Voltage too high
SPU 12V Voltage is too
high >13.2V
SPU Power Supply Fault
Replace the SPU
3.3V Voltage too low
SPU 3.3V Voltage is too
low <2.8V
SPU Power Supply Fault
Replace the SPU
5.0V Voltage too low
SPU 5.0V Voltage too
low <4.3V
SPU Power Supply Fault
Replace the SPU
12.0V Voltage too low
SPU 12V Voltage is too
low <10.2V
SPU Power Supply Fault
Replace the SPU
AC Interruption Occurred
12VDC toggles more
than 10 µs
AC power supply voltage
interruption
Check AC Power
AC Power Lost
UPS 12V, 10V
No AC Power
Check AC Power
Cabinet Front Door Open
Door Open
Door Open
Close cabinet front door
Cabinet Rear Door Open
Door Open
Door Open
Close cabinet rear door
DSP Error
DSP is not responding
Possibly there is a hardware problem or software
issue.
If reset doesn’t clear the
problem – Replace SPU
(fault in Modulator).
Ethernet Connection
Failure
No communication via
Main Controller Ethernet
switch port
Communication Error
Check Ethernet cable
Forward Power Detector
Comm Error
Communication timeout
Error communicating to
the Forward power
detector on the output
coupler
Replace Detector and/or
SPU (Main Controller
and/or Detector fault).
GPS Comm Error
Problem communicating
with GPS receiver
Problem communicating
with GPS receiver
Replace SPU (Main Controller fault)
GPS Holdover Duration
Exceeded
Holdover process is too
long
Check “Max GPS Holdover Time” parameter
and make sure it is set
properly.
Refer to Section 5, Figure 5-17. Adjust “Max
GPS Holdover Time”
parameter.
GPS Quality Low
GPS Signal Quality is low
Antenna disconnected
Check Antenna connection to the GPS
C-2
Operator Response
3EM21522AAAA
Issue 1, March 2008
Appendix C
DTR-0200-SA-SIRIUS
Table C-1 Alarms, Possible Causes, and Suggested Response (Continued)
Alarm
Description
Possible Cause
Operator Response
GPS Surveillance Error
Problem detected on
GPS receiver
Problem detected on
GPS receiver
Replace SPU (Main Controller fault)
Heartbeat
Alarm notifies NMS that
repeater is alive
Transmission interval
defined by “Heartbeat
Pace”
No action required
HPA Comm Error
No communication
between HPA and Main
Controller
No communication
between HPA and Main
Controller
Check Comm cable
between HPA and Main
Controller
HPA Driver/Pre-driver/
Module Faults
Possibly over-current situation due to signal conditions
Possibly over-current situation due to signal conditions
If HPA is in Broadcast
mode and reset doesn’t
resolve the problem –
replace the HPA.
HPA Forward Power
Fault
Forward power exceeded
hard limit
Warning ≥ 56 dBm
Critical ≥ 56.5 dBm
At critical condition, HPA
turns off
Problem with HPA output circuit, Output Filter,
Detector, output connector, or antenna cable.
Investigate Output Filter,
Detector, output connector, or antenna cable. If
no fault found, replace
HPA
HPA Hardware Fault
Fault with RF modules,
PS, or Controllers
Fault with RF modules,
PS, or Controllers
Replace the HPA
HPA Input Power Fault
Input power exceeded
hard limit
Warning ≥3 dBm
Critical ≥5 dBm
At critical condition, HPA
turns off
Input power from SPU
too high
Replace SPU
HPA Operation Alarm
HPA Output power
is close to operating
thresholds.
HPA Output power is
close to operating
thresholds.
Check the output power
of the HPA with a power
meter. If the power is too
close to the threshold
check the loss on cables
between the HPA and
output filter.
HPA PS Alarms
Power supply failure
Power supply failure
Replace the HPA
HPA Reflected Power
Fault
Reflected power
exceeded hard limit
Warning ≥ 45 dBm
Critical ≥ 47 dBm
At critical condition, HPA
turns off
Problem with HPA output circuit, Output Filter,
Detector, output connector, or antenna cable.
Investigate Output Filter,
Detector, output connector, or antenna cable.
If no fault found, replace
HPA.
HPA Shutdown
HPA inoperative
Shutdown caused by any
critical condition
Replace HPA
C-3
Appendix C
DTR-0200-SA-SIRIUS
3EM21522AAAA
Issue 1, March 2008
Table C-1 Alarms, Possible Causes, and Suggested Response (Continued)
Alarm
Description
Possible Cause
Operator Response
HPA Temperature Fault
HPA turns off
HPA Temperature is
above the Critical High
Temperature level,
+82°C.
Check input, output ventilation vents. Verify fans
are operational. If no fault
found, replace HPA.
HPA Temperature Fault
Low
HPA turns off
HPA Temperature is
below the Critical Low
Temperature level, -30°C
Replace HPA
HPA Temperature Warning
HPA Temperature is
above the Warning High
Temperature level, +78˚C
HPA Temperature is
above the Warning High
Temperature level, +78˚C
Check input, output ventilation vents. Verify fans
are operational. If no fault
found, replace HPA.
HPA Temperature Warning Low
HPA Temperature is
below the Warning Low
Temperature level, -18°C
HPA Temperature is
below the Warning Low
Temperature level, -18°C
Replace HPA
Local Control Engaged
Triggered when repeater
is switched to Local or
Remote condition
Condition changes when
Local/Remote switch is
pressed
No action required
Module 0 HPA PS Voltage Fault
AC voltage on PS module 0 is off
AC voltage on PS module 0 is off
Replace HPA
Module 1 HPA PS Voltage Fault
DC voltage on PS Module 0 >32 V or <10 V
DC voltage on PS Module 0 >32 V or <10 V
Replace HPA
Module 2 HPA PS Voltage Fault
AC voltage on PS module 1 is off
AC voltage on PS module 1 is off
Replace HPA
Module 3 HPA PS Voltage Fault
DC voltage on PS Module 1 >32 V or <10 V
DC voltage on PS Module 1 >32 V or <10 V
Replace HPA
Module 4 HPA PS Voltage Fault
AC voltage on PS module 2 is off
AC voltage on PS module 2 is off
Replace HPA
Module 5 HPA PS Voltage Fault
DC voltage on PS Module 2 >32 V or <10 V
DC voltage on PS Module 2 >32 V or <10 V
Replace HPA
Module 6 HPA PS Voltage Fault
AC voltage on PS module 3 is off
AC voltage on PS module 3 is off
Replace HPA
Module 7 HPA PS Voltage Fault
DC voltage on PS Module 3 >32 V or <10 V
DC voltage on PS Module 3 >32 V or <10 V
Replace HPA
PA Module 0, 1, 2, 4, 5 or
Driver Module TR1 Voltage Fault
This alarm is triggered
when the voltage on transistor 1 exceeds 32 volts
or goes below 26 volts
Wrong voltage on transistor 1
Replace HPA
C-4
3EM21522AAAA
Issue 1, March 2008
Appendix C
DTR-0200-SA-SIRIUS
Table C-1 Alarms, Possible Causes, and Suggested Response (Continued)
Alarm
Description
Possible Cause
Operator Response
PA Module 0, 1, 2, 4, 5 or
Driver Module TR2 Voltage Fault
This alarm is triggered
when the voltage on transistor 2 exceeds 32 volts
or goes below 26 volts
Wrong voltage on transistor 2
Replace HPA
PA Module 0, 1, 2, 4, 5,
or Driver Module TRI
Current Fault
This alarm is triggered
when the current on transistor 1 exceeds 7
ampere or goes below
0.7 ampere
Wrong current on transistor 1
Replace HPA
PA Module 0, 1, 2, 4, 5 or
Driver Module TR2 Current Fault
This alarm is triggered
when the current on transistor 2 exceeds 7
ampere or goes below
0.7 ampere
Wrong current on transistor 2
Replace HPA
PA Module 0, 1, 2, 4, 5 or
Driver Module Bias Voltage Fault
This alarm is triggered
when the BIAS voltage
exceeds 12 volts or goes
below 7 volts
Wrong BIAS voltage on
module
Replace HPA
Modulator Comm Error
Communication error
with the modulator
IP Address of the modulator is not set on the
Main Controller
Check the IP address of
the modulator on the
main controller – it
should correspond to the
IP address of the modulator verified through the
CLI. Also check if the
MAC address of the
modulator is correct. If
everything is correct –
replace the SPU (modulator fault)
Modulator Restarted
Modulator fault
Modulator internal fault
Replace the SPU
No Lock to Input Stream
Either bad connection
between the VSAT and
Modulator or VSAT is
unlocked
Check Satellite signal –
in this case this alarm will
come together with VSAT
alarm.
If there is no VSAT alarm
– check the cable connection between the
modulator and the VSAT.
In case the VSAT alarm
is there – check the
VSAT cable. If it fails,
replace SPU (fault in
modulator and/or VSAT).
No Lock to OIM Block
Normal if input stream is
of Legacy type. Error
decoding the incoming
stream of Overlay type.
Hardware problem with
the modulator or the
modulator is in the synchronization stage
If this alarm appears
without VSAT/SFN
alarms – Replace SPU
(fault in Modulator).
C-5
Appendix C
DTR-0200-SA-SIRIUS
3EM21522AAAA
Issue 1, March 2008
Table C-1 Alarms, Possible Causes, and Suggested Response (Continued)
Alarm
Description
Possible Cause
Operator Response
Over Temperature Fault
Ambient temperature is
above the user defined
threshold
Roof exhaust fan(s) or
rear door intake fan(s)
inoperative.
Check fans operation.
Replace fan(s) where
necessary.
Pre-Driver LDMOS Voltage Fault
This alarm is triggered
when the voltage on
LDMOS transistor
exceeds 32 volts or goes
below 26 volts
Wrong voltage on PreDriver LDMOS device
Replace HPA
Pre-Driver LDMOS Current Fault
This alarm is triggered
when the current on
LDMOS transistor
exceeds 2 ampere or
goes below 0.4 ampere
Wrong current on PreDriver LDMOS device
Replace HPA
Pre-Driver Bias Voltage
Fault
This alarm is triggered
when the BIAS voltage
exceeds 12 volts or goes
below 7 volts
Wrong BIAS voltage on
Pre-Driver
Replace HPA
Pre-Driver GaAs Current
Fault
This alarm is triggered
when the current on
GASFET transistor
exceeds 0.6 ampere or
goes below 0.1 ampere
Wrong current on PreDriver GASFET device
Replace HPA
Pre-Driver GaAs Voltage
Fault
This alarm is triggered
when the voltage on
GASFET exceeds 13
volts or goes below 9
volts
Wrong voltage on PreDriver GASFET device
Replace HPA
Reflected Power Alarm
Difference between
HPA Forward power and
HPA Reflected power
exceeds the Return Loss
Threshold
Return Loss Threshold is
not set up right, the
reflected power on the
coupler is too high, or the
actual return loss is bad.
Check the Return Loss
Threshold as well as the
reflected power reported
by the detector. If the
power is reported incorrectly – replace the
detector.
Reflected Power Detector Comm Error
Communication timeout
Error communicating to
the reflected power
detector on the output
coupler
Replace Detector and/or
SPU (Main Controller
and/or Detector fault).
Satellite Receiver
Unlocked
VSAT Receiver problem
No VSAT input signal
Check VSAT input signal
level. If good VSAT signal is present, replace
SPU
C-6
3EM21522AAAA
Issue 1, March 2008
Appendix C
DTR-0200-SA-SIRIUS
Table C-1 Alarms, Possible Causes, and Suggested Response (Continued)
Alarm
Description
Possible Cause
Operator Response
Satellite Receiver Comm
Error
VSAT Receiver problem
No VSAT input signal
Check VSAT input signal
level. If good VSAT signal is present, replace
SPU
SFN Timing Error
Synchronization problem
This alarm is typically
raised in the beginning of
the synchronization
stage and shall disappear within 16 sec.
Refer to Section 5, Figure 5-12. If the alarm is
raised persistently and
accompanied with re
synchronization – check
the delays preset in the
system. The target delay
should be more than 1
second, but less than 6
seconds.
SPU Over Temperature
Fault
SPU temperature above
the threshold
SPU temperature is too
high, or Operating Temperature Threshold is not
set
Refer to Section 5, Figure 5-18. Check for valid
Operating Temperature
Threshold.
Supervisor Controller
Comm Error
I2C communication error
No communication with
Supervisor Processor in
Main Controller
Replace SPU
Sync 1PPS Fault
1PPS signal is not
detected by the modulator
Intermittent connection
on the backplane, Main
Controller, Modulator
Replace the SPU
Sync 10MHz Fault
10MHz signal is not
detected by the modulator
Intermittent connection
on the backplane, Main
Controller, Modulator
Replace the SPU
Sync Lost
GPS signal lost, or problem with Modulator or
Main Controller modules
GPS signal lost, or problem with Modulator or
Main Controller modules
Check GPS input. If GPS
is present, replace SPU.
Up-converter Fault
Up-converter PLL
unlocked
Up-converter PLL
unlocked
Up-converter Comm
Error
Communication error
with up-converter in SPU
Communication error
with up-converter in SPU
Replace SPU
VCXO Unlocked
10 MHz not locked to
1PPS
10 MHz not locked to
1PPS
Replace SPU
VSAT Comm Error
Error communicating with
VSAT Receiver located in
the SPU
Possible SPU backplane
or VSAT Receiver fault
Replace SPU
VSAT LNB Power Fault
LNB Power block hardware failure
Power block hardware
failure
Check voltage to LNB. If
good, replace LNB.
C-7
Appendix C
DTR-0200-SA-SIRIUS
3EM21522AAAA
Issue 1, March 2008
Table C-1 Alarms, Possible Causes, and Suggested Response (Continued)
Alarm
Description
Possible Cause
Operator Response
VSAT LNB Over Current
Antenna shorted
Antenna shorted
Investigate antenna &
antenna cable.
VSAT Receiver Internal
Fault
Typically comes along
with Satellite Receiver
Unlocked
Any alarm on the satellite
receiver
If the receiver is locked
but there is an internal
fault, replace the SPU
VSAT Unlocked
VSAT signal lost
VSAT unlocked to input
signal
Check VSAT input signal
Wrong Input Stream
Type
The incoming stream
doesn’t match the set
parameters in “Input
Stream Type”
“Input Stream Type” is
set to Legacy while the
incoming stream is Overlay
Refer to Section 5, Figure 5-10. Switch the
“Input Stream Type” to
Overlay or Legacy to
match the incoming
stream. Set this parameter to Auto to avoid further problems.
If no alarms are received from the modulator during the power-up – check the “Main Controller Address”
parameter on the modulator.
C-8
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