NEC of America 5808 Unlicensed 5.8 GHz Point to Point Microwave Radio User Manual Manual Section IV

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Document Description	Manual Section IV
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Date Submitted	2007-10-09 00:00:00
Date Available	2008-02-21 00:00:00
Creation Date	2007-09-24 17:32:46
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Document Title	Manual Section IV

ROI-804824-051E CONTENTS
031020
5.8 GHz 15128150 MB
PDH DIGITAL MICROWAVE RADIO SYSTEM
NLite L
(PDH 1+Ol1+1 SYSTEM)
SECTION IV MAINTENANCE
CONTENTS
TITLE PAGE
1. GENERAL...........................................................1.1
2. PRECAUTIONS ................................................... 2.1
Chart 2-1 Malnlenancn Mods Sitting m............... 2-3
3. PREVENTIVE MAINTENANCEwm-----............... 34
3.1 Tut Sat! and Accessories nm-m-mumummn 3.1
3.2 LOT Malmnunm Modeummmmmmmm..m.m 3,2
Char! 3-1 Maintenance Mode Settlng "mm-“mm- 3-2
3.3 Puffer-man“ Momhangwn-.................u-........... 3.4
Chart 3-2 Performance Monitoring “mm-“mun- 3-4
4. CORRECTIVE MAINTENANCE m-w-nu-u-m-m-u 4-1
4.1 Faun Luann“ m......................~........................ 4.1
Chart 4-1 Alarm and status Monitoring "mm-n"— 4-5
chart 4-2 Loopback BER Measuremun ”mu-w- 4-11
Chart 4-8 Loophack Contml Suiting ................. 4—13
4.2 Replacementmuwmom-mum-mflmlmumnn 4.2“
4.2.1 MDP RgplacemQMHOmmtm-mumlmum-M 4.20
chart 4-4 MDP UnII Rsplaum-mm-w'm-m-m- 4-20
4.2.2 TRP Replangmam .........-................................... 4.23
ChanA—S TRP Rlplaeemuntmm-mmu-u—‘m-n 4-24
4.3 Augnm.nt.......u...._..........................“mu-m..." 4.29
Chart 4-8 Systom Configuration SuttIngm-uum- 4-30
Chart 4-7 Date and Tlmc swing ...................... 4-31
chart 4-3 Invmmry Data Monitorlng-lwm-m-m- 443
CL-1
CONTENTS “gm“
TITLE PAGE
mun-In-ulum 5.1
5. CHANGING PASSWORD mum-n
5,1 Genera“ ............................................................. 5.1
53 Pracedurectum..."Imuhutnmumlun-unul—um-um 5.1
chart 5-1 changing Passwordu-vmm-mumumm 5.1
CL—Z
2 pago-
CONTENTS
ROI-304824
1. GENERAL ‘
mm! .,
at.
This section provides instructions for the maintenance ofthe 5.8 GHz
15/28/50 MB digital microwave radio system
This section provides precautions and instructions on preventive
maintenance and corrective maintenance.
This manual is described for the firmware version of as follows.
SW UNIT: 1i0i1
MD UNIT: “12
C L-3
GENERAL ROI-504524
(This page is intenticmally Iefi blank.)
1-2
2 pagas
ROI-504824
2 PRECAUTIONS
PRECAUTIONS
The following precautions must be carefully observed during
maintenance.
(a) The maintenance personnel should report arrival at and departure
fiom a station to the relevant station. The following are dangers
and warnings to the maintenance personnel.
Warning: 1. The —43 V DC power is superimposed on the center
conductor of the ”F cable between the MDP and the
TRB Connecting test equipment directly to this terminal
may damage it and touching the coaxial cable care may
cause electrical shock.
2. Persons performing servicing must take necessary steps
to avoid elem—static discharge which may damage the
modules on the MDP or cause error. Wear a conducive
wrist strap connected to the grounded (G) jack on the
front of the equipment shelf: This will minimize static
baildyap during servicing (see Fig. 2-1).
3. Do not disconnect the I/F cable between the MDP and
the TRP in operating condition, to avoid damaging the
MDP and Tim Do not remove/connect the I/F cable with
the MDP power 01V, turn the MDP power OFF before
connecting/disconnecting the W cable
4. Afier turning ON the equipment, wait at least 1 minute
before turning it OFF again. Repeatedly turning the
power ON and OFF within a short interval may cause the
MDP tofail.
5. Contact NEC before program download on the LCT Lv
performed Equipment may not function correctly with
improper operation.
Caution: 1. Be careful that top surface of the MD? is considerably
hot.
(b) During maintenance, the MDP should be set to maintenance
(0)
(6)
condition by the local crafl terminal (LCT) (see Chm 3:1).
To avoid service intermption under the maintenance, perform
manual protection switching in H1 system
Note: When protection switching has been automatically
completed during a fault, keep this condition by manual
protection twitching operation.
First set the MAINT mode to “ON” before selecting the other
items on the LCT maintenance menu.
2-1
PRECAUTIONS
2-2
(e)
(f)
(s)
(11)
(i)
(i)
(k)
(l)
Roi-504524
Information on the maintenance and the control such as TX SW,
RX SW, Mute, CW, LB, etc. is released if the power is turned ofl'
or the RESET switch is pressed.
While the CPU is initialized by pressing the RESET switch,
alan-n(s) is in normal condition. Afier initialization, the alarm
information is properly provided through relay contacts.
Service will be interrupted instantly by pressing the RESET
switch.
When the control such as TX MUTE, CW, LB, etc is performed,
set TX SW and RX SW to the same channel certainly. Ifit carries
out in AUTO condition, it may not operate normally.
Instantaneous interruption may occur when performing the TX SW
manual switching operation.
Before removing or installing the MDP/TRR turn off the power
switch on the MDR
For procedures to change the password, refer to the Appendix in
this section.
Afier equipment start-up, allow the equipment to warm up at least
30 minutes.
(in) Afier completing maintenance, restore all connections and manual
switch(es) to normal and confirm that all red alarm LEDs are unlit.
Ffiétl'r‘GlEW R—i
Note: “‘ The AD Unit M12 is not provided/or 1+0 system.
MDP
Flg. 2-1 Locatlon of G Tennlnal
ROl-Sfl4824
PRECAUTIONS
chart 2-1 Maintenance Mod. Slmng
Step Procedure
1 Connect the RS—232C cable between the LCT and the MDP,
Note: * The AD Unit No.2 is not provided
LCT for 1 +0 system.
Flg. 2-2 LCT Situp
2 Open the Tenninnl soflware (e‘g; Hypefl'erminal),
2-3
PRECAUTIONS ROI-504314
(This page is intentionally lefi blank)
2-4
4 page:
ROI-504824 TEST SETS AND ACCESSORIES
3. PVREENTIVE MAAlNTENNCE
This chapter provides the routine (annual) maintenance procedures to
ensure the satisfactory Operation of the equipment. During preventive
maintenance, carefully observe the precautions given in chapter Zr
3.1 Test Sets and Accessories
The test sets and special necessaries listed in ”Fable 3—1 are required for
maintenance If recommended test sets and accessories are not available,
equivalents may be used.
Table 34 Ten Sets and Accessories
Model Number Manufacture
PDH Analyzer MIP1550A Anritsu
Digital Multimeter HP34401 A H?
OW/RX LEV Monitm’" X0818A NBC
Screwdriver _ _.
T Type Hexagonal Driver — —
Torque Wrench — —
Meal Craft Terminal (LCT) —
with RS-232C Cable
«mu-awn..-
Note: I. "‘ 77m OW/RXLEVMonitor operates on a dry battery {6F22/
QW. When the OW/RXLEVManiior will nat be usedjhr a
long period, remove the battery to avoid damage fivm
battery leakage and cormsiun.
3-1
TEST SETS AND ACCESSORIES Relso4az4
3.2 LCT Maintenance Mode
3-2
Chart 3-1 Malnunanc- Mode setting
_________._____.._.——-————
Stap Procedure
1 Enter Login name “Admin" and the “Enter“ key,
Login : Admin
Password : ”"m'
—— NEC F'DH RADIO VERv X.XX,XX—
0. Logout
1. Alarm I Status
2. Performance Monltor
3. valslcmlng Data
4. System Configurallon
54 Inventory Data
84 Relay/ Hausa Keeping
7. Malntenanca
Enter Selection :
2 Enter the valid password and press the “Enter" key,
111mm
3 Press the “7” key and press the “Enter" key,
Enter Selection : 7
—- Malntenmoe —-
l. MAINT Mods (OFF)
2. Control
3. Reset CPU
4‘ Sel Calendar
5. Password Seulng
a. Program Duwnload
Ema! Selection : 1
-— MAlNT Mode -—
1A On
2. UK
Enter Selection : I
— Maintenance ~
1A MAINT Mode (ON)
1 Control
3. Reset CPU
4, Sst Calendar
5. Password Setting
6. Program Download
Enter Selection :
4 PMS the “1” key and press the “Enter" key,
5 Press the “1” key andpressthe‘intef’key for Mainte mode ON,
RO|~SO4824
TEST SETS AND ACCESSORIES
Chart 3-1 Malnlenanee Mud. Setting (Conl‘d)
step Procedure
Bgfigmg tg Normal Mg:
6 Press the “7" key md press the “Enter” key,
— NEC PDH RADIO VER. XXXXX—
0. Logout
1. Alarm 13mm
2. Performanoe Monitnr
3. Provisionlng Data
4. Sysfism Configuration
5. Inventory Data
6, Re|ay / House Keeping
7. Malntenance
Entersaleclinn: 7
-- Malmenanee —
1. MAINT Mode (ON)
2. Control
3. Reset CPU
4. Sat Calendar
5. Password Senlng
5. Program Download
Enter Selection : 1
—- MAINT Made ——
1. On
2. 01V
EnlarSeiwion: 2
— Maintenance —
1. MAINT Mods (OFF)
2. Comm!
3. Reset CPU
4. Set Calsmhr
5. Password Setting
6, Program Download
Enter Saleem)" :
7 Press the “1” key and press the “Enter" key,
8 Press the “2“ key and press the ”Emu” key for Mainte mode
OFF,
Ifany item has been ccnuolled, an error message and controlled
items are displayed. Release continued item before Majnte
mode OFF.
9 Press the “ESC” key to return to previous menu,
10 Press the “0” key to [agent and press the “Enter" key,
________.._—————-——
3-3
TEST SETS AND ACCESSORIES RIM-804824
3.3 Performance Monitoring
3-4
Chan 3-2 Performance Monltoring
Step Proudun
1 Connect the RS-232C cable between the LCT and MDP (see
Fig. 2-2 in Chart 24),
2 Open the Taminal sofltware (mg; HyperTerminal},
3 Enter Login name “U sex” and press the “Enter” key on ma LCT,
Loaln : User
— NEG PDH RADIO VER. X.XX.XX —
O. Locum
1. Alarm I Status
2. Performance Monimr
3. Prvvisioning Data
4. System Configuration
5. Inventory Data
so Relay! House Keeping
Entsr Selection :
Press the “2” key for Perfonnance Monitor and press the
‘Enmf’key,
ROI-504824 TEST SETS AND ACCESSORIES
__._._____..———————o—
chart 3-2 Performance Monltcflng (Cont’d)
Step Prooedure
5 Press the “1" key for Display Metering BER and press the
“Enter“ key. Verify the all items listed in Table 3-2.
— EC PDH RADIO VER. xxxxx-
. Logout
Alarm I Slalus
Performance Monitor
Provisioning Data
system Configuration
Inventory Dela
8. Relay/Hausa Keeping
Enter Selection : 2
weywea
—- Peflarmance Manner —
ll Display Meterlng I BER
2, Display Performance Monitor
3. Display Threshold Data
Euler Selection : 1
— Display Metellng [BER -—
TX POWER +1DdBm
RX LEVEL —GDdBm
TRP PS MON 4av
BER 0.05-10 (Calculating)
-— Performance Monitor -—
1. Dlapley Metering [BER
2. Display Peflonnance Monliur
3. Dlsplay Threshold Dela
Enter Selection :
Notes: It In the 1 +1 sysmrt, metering/BER values for No.1 CH is
displayed in the left side and for No.2 CH is displayed in the
right side.
2. "3.0134" indicates the bit ermr rate af3 x 101
3. "' BER (BER between radio) is calculated every one minute.
“Calculating” is displayed till the value isfixed
4. ‘If the peiforwmce data fmm the TRP are not received,
“113m and ”‘Vare displayed.
5. 1X POWER/RX LE VEL is indicated in 1 43 step.
3-5
TEST SETS AND ACCESSORIES
Check Item
TX POWER
ROI-504824
chart 3-2 Parlonnanm Monitoring (Cont’d)
Procedure
Tabla 3-2 Mat-r Reading
Normal Indication
+21 to —7 dBm
AIIowable Range
Nwmal IndicationiS dB (8 x 1.5 MB)
RX LEVEL
10.5 GHz
—15 w—sm (13m (8 x 1.5 MB)
TRP PS MON
3-6
6 page:
—32to-46VDC
Nutes.'lr1f an abnormal indication appears, proceai m (I
(Fault Location) in this chapter.
2, ‘Varies in proportion to the receiving RF signal level.
3. ”Varies with cable length between the WP and TRP.
4. Record dispkzyed indiealian values on the LCI.‘
6 Puss the “ESC” key to go back ta Main menu, and press the
“Enter" ,
________—_.._————~———
ROISMSZA
4.1 Fault Location
PREVENTIVE MAINTENANCE
4. CORRECTIVE MAINTENANCE
Corrective maintenance done in the field is described in this chapter.
Corrective maintenance in the field covers fault isolation, module/unit
replacement and alignment. The fault location procedures describes how
to isolate unit-level faults.
Faults can be classified into those that cause deterioration of the
transmission quality and those that interrupt the service due to a
malfunction of the equipment. This chapter explains the tmubleshaoting
procedures for equipment faults and the corresponding remedial methods.
The purpose of troubleshooting malfunctioning equipment is to restart the
service by locating the faulty part and replacing it with a spare.
The faults that cause deterioration in the transmission quality are primarily
originated by changes occurred in the state of propagation, Therefore, if a
decline in the transmission quality or similar fink takes place frequently,
the link design will have to be reviewed.
During the corrective maintenance, carefully observe the precautions
given in chapter 2, until the alignment is completed.
The ntlOWing 3 methods are available for checking the details of a falllt:
- Checking the ALM LED Indications and LCT Indication
' Meter Readings
- Loopback.
(a) Checking the ALM LED Indications and LCT Indication
A faulty part can be located by checking the ALM LED indications
and LCT indications. For the explanation of the ALM LED
indication and LCT indication, refer to Section 2.41 (Alarm
Indication and Reporting) of Chapter 2 in Description section,
Also refer to Chart 4-1 in this Chapter.
(b) Meter Readings
Based on the meter readings during periodical inspection described
in Chapter 4, a faulty part can be located by checldng if the reading
values exceed the permissible ranges. Table 4—1 shows the
correspondence between the items for which abnormal readings
are detected and the faulty parts. In the case of an abnormal BER
measurement result1 try to locate the faulty part by next (c)
Loopback.
4-1
PREVENTlVE MAINTENANCE Rolso4824
4-2
(c) Loophack
When there is an interruption of signals, use the PDH Analyzer
and isolate the faulty part by checking the passage of the 1.5 MB
signal by loopback, Locate the fault by using the following
diagrams.
Fig. 4—1 — Loopback Diagram for Fault isolation
Shows the section fi'om where the signal is turned back.
Chart 4-2 — Loophack BER Measurement
Fig. 4-2 — BER Measurement Setup
Chart 4-3 , Loopback Control Setting
When maintenance such as isolating a faulty portion at the occurrenee of
fiilure and revising the sofiwnre are carried out, the “Control" item in
Maintenance is used.
Enter Selection : 2
—- Control ——
1.
11
151 LAN Device Reset
Enter Selection :
WPS???9N
RF Frequency
ATPC Manual Control
TX SW Manual Control
TX Mute
RX SW Manual Control
CW
IF Leopbaok
Main Signal Loopback (Near End)
Main Signal Loopback (For End)
Antenna Alignment Mode
Note: Setting items displayed on the LCT depend on setting condition of
"System Configuration"
The details of “Control” item are described below:
Contml
Control items can be selected only under maintenance mode. As this
“Control” is likely to cause disconnection of signal, take care during
operation.
RF Frequency
Sets the transmitting and receiving RF frequencies.
ATPC Manual Control
Used when changing of the transmitting power is required during
ATPC operation when the ATPC mode is selected in system
configuration.
TXSW Manual Control
Controls manual switehover of the TX SW at the transmitting side in
only the 1+1 Hot standby (HS) system.
ROI—304824
PREVENTIVE MAINTENANCE
TX Mute
Turns offldisahles the transmitter output.
RXSW Manual Control
Controls manual switchover of the RX SW in the 1+] system. The
switchover is carried out Without traffic interruption. Adjustment of
the delay time of No.1 and No.2 is automatically set.
CW
Used for outputting a clean carrier wave (CW). Used to confirm the
transmitting output power and frequency stability.
IF Loophsck
Used for localizing equipment failure to MDP or Tim The input
1.5 MB signal from MUX is looped back at IF stage. If no
abnormality is found in the signal afier IF loopback, it is assumed
that the TRP has a problem.
Main Signal Loophack (NEAR END)
Used for localizing equipment failure to MUX equipment or radio
equipment. The input 1.5 MB signal from MUX is looped back and
then output with 1.5 MB signal. If no abnormality is found in the
signal with NEAR END loophack, it is assumed that the radio
equipment (MDP or TRP) has a problem.
Main Signal Loopbuck (FAR END)
Used for localizing equipment failure to MUX equipment or radio
equipment. Signal is looped back at the MD? of the opposite station.
If no abnormality is found in the signal through FAR END loopback,
it is assumed that the local radio equipment (MDP or TRP) has no
problem. Check the Main Signal lonpback (NEAR END) at the
opposite station.
Antenna Alignment Mode
The Antenna Alignment Mode is the mode used for Antenna
Orientation. This mode is used for extending the dynamic range of
the RX LEVEL MONITOR. The output of RX LEV MON in TRP
can be enlarged and the meter indication of the OW/RX LEV
Monitor eon be enlarged. In this mode, since control of TX power
stops, the normal opemfion can not be performed.
Note: The relation of the RXINPUTLEVEL and RX LEVEL MON
is shown beIow
LAN Device Reset
Used for reset control to Port 1 or Part 2, when LAN is optional
provided
46
PREVENTIVE MAINTENANCE ROI-804824
“mm" w mmm M.»
u 1 y, ‘ 1 . M. ...‘ K, _ 1 _
‘ 3 3 i ‘ 1 1 i w ‘ i
. > i ‘ w 2" 1 i‘ , w A! 1 1
”7, i i. l ft 3 1 i ‘- f‘ i ‘z
‘ i i i i a 1 1‘ 1 1 ‘ 1 1
a 71 l ‘ — i ‘ ‘ ; «4 1 i 4 ,;
3 i 1 i ‘ ‘ 3 ‘ x ‘ 1 i
in 3 f 1; I i 1 \ ‘ ' J i w ’ i
a | ; 1 n i i i w
E z 1 ‘ » f r] j 7 ‘ , 1 1 4 ‘ a w
a 1 ‘ i , 1 ‘ ; ‘ ‘ x ‘
” 1 ’ 3 i T i i ‘ 1 ‘ ‘ ’
, : 1 , 3 w / i, f l _ i i i ,
i 3 1 i 1 i i i 1 i
"5 1 i = fl - ‘ E L w ‘
‘ ‘ i i 1 1 1 w
i i i w ‘ . i w
n \ ~ ‘ a
a, 40 an in «a 10
um um- LEVEL (and
Table 4-1 Fault Isolation by Meter Reading
Mmr Reading
Condition
Fault
Rx Level
TRP PS MON
Isolation
TRP
Path propagafinn or TRP
DC-DC CONV module on MD UNlT
ofMDP otIF lime cablc'
Note: 0 indicates abnormal condition,
‘ Ijthe IF line cable is open conditions, the TRP ALM LED on
the WP turns tofiashing.
ROI-804824 PREVENTIVE MAINTENANCE
Chan 4-1 Alarm and status Monitoring
Step Procedure
1 Connect the RS—232C cable between the LCT and MD? (see
Fig. 2-2 in Chart 2-1),
2 Open the Terminal sofiwe (e4g; HypefTerminal),
3 Entel Login name “Use” and press the “Enter” key an the LCT,
Login : User
—— NEC PDH RADIO VER, X.XX,XX——
0. Logout
1. Alarm I Status
2. Performance Mcnllor
3. Provislonlng Data
4, Systsm Configuration
5. mvemory Data
6. Relay I House Keeping
Enter Seiecrlon :
4 Press the “1" key for Alarm/5mm; and press the “Enter” key,
4-5
PREVENTIVE MAINTENANCE
ROI$04824
Char! 4-1 Alarm and Status Monitoring (Cont‘d)
0. Logan!
1. Alarm I Slams
2, Performance Monitor
3, Provisioning Da'ia
4. System Configuration
5. inventory Data
6. Relay I House Keeping
Enter Selection : 1
.. TRP _
TX Power
TX input
RX Lavsl
AFC
Cable
Next Data 7 (YIN) : y
— MDP --
MOD
DEM
High BER
Low BER
LOF
MDCPU
BB Linearizer
Next Data? (YIN): y
— Main INTFC —-
LOS
Output LOS
AIS Gsnsrsied
NS Received
channel Usage Error
Next Daia 7 (Y/N): y
-- Module —
MODEM
Main INTFC
0. Logoui
1. Alarm / Status
2. Performance Manila!
3. Provisioning Dale
4. System Configuration
5. Inventory Data
6, Relay I Home Keeping
Enter Selection :
—- NEC PDH RADIO VER, X.XX.XX -—
Normal
Normal
Normal ‘1
Normal
Alarm
Alarm
Alarm
Normal .2
Normal
Normal
Alarm
OFR
(CHM 4m) -
(CHosM a)
(cam 43)
(Cl-40946)
(CHM-OB)
(CHM-16)
(cnm as)
(cuss-1s)
(Cl-m 438)
(CHM-16)
Alarm
Normal
—- NEG PDH RADIO VER. X.XX.XX—
4-6
ROLSMBZA
PREVENTIVE MAINTENANCE
Chart 44 Alarm and status Monltnring (Cent’s!)
Step
Procedure
Nates: I, In the [+1 system, status forNa. I CH is appeared in the left
side and for Na. 2 CH is appeared in the right side.
2. ‘1 When an "Alarm" indication is displayed, the TRP has a
failure.
3. *2 When an "Alarm" indication is displayed, the MD UNIT
on MDP is failure.
4. *3 In the 8 X 1.5 MB system, (CHM-08) is indicated only,
*3 In the 16 X 15 MB system, (CHM-08) and (CHM-16)
are indicated
6. *4 When an “*" indication is displayed, externaI equipment
has a failure (“J' indication is normal condition)
7. ‘5 Indicates main channel Interface usage error when
Report has been selected for the Channel Usage Error:
8. *6 Indicates when Linearizer is controlled as follows.
AUTO Carma! : "OPR "
Reset Contmi : "ND OPR ”
Not Provided BB Linearizer: "N/ "
9. Alarm and status indication items shauld be displayed
depending on system requirement.
The alarm and status of each module and TR? are displayed.
Each items is explained below‘
TX Power:
Indicates the status of the transmitter in the TRP. When the
nnrmal transmission level can not be output due to failure
in the transminer, this alarm is issued.
TX Input:
Indicates the status of the modulated signal input hem
MDP. If the input signal hum the WP is lost, this alarm
is issued.
RX Level:
Indicates the status of the receiver in the TRP. If the
receiving level exceeds the RX signal level requirements,
this aim is issued
4-7
PREVENTIVE MAINTENANCE
4-5
ROI-504824
chart 4-1 Alarm and Status Monltorlng (Cont'd)
Procedure
APC:
Indicates the status of the synthesizer in the TRP. If any
abnormality occurs inthe synthesizer, this alarm is issued.
Cable:
Indicates the status of communication between MDP and
TRP. If a communication abnormality is caused between
TRP and the MDP, this alarm is issued.
Note: When the IF cable is open conditions. TRP alarm
indicator on the MDP turns toflarhing.
MOD:
Indicates the status of the modulator. If a failure occuxred
in the modulator and as a result of a transmitter side LS]
failure, this alarm is issued.
DEM:
Indicates the status of the demodulator. If a [F input loss
occurred in the demoduhtor, this alarm is issued.
High BER:
Indicates the status of quality deterioration status of the
highway between radio sections. If the signal is
deteriorates below the threshold value (3 x 104 fixed), this
alarm is issued.
Low BER:
Indicates bit error rate (BER) of the data signal. If the
signal is deteriorated below the threshold values (3x10'7,
fixed) alarm is issued,
LOF:
Indicates the radio frame synchronization status.
NEDCPU:
Indicates the status of communication between the MDP
modules. If any abnormality in the response of a module in
the IVE)? has occurred, this alarm is issued.
ROI-804824
PREVENTIVE MAINTENANCE
Chart 4-1 Alarm and Status Monitoring (Cont'd)
Procedure
BB Linenrizer:
Indicates the Linearizer control status. When the
“Linearizer control” for the TRP corresponded to the BB
Linearizer is set to “AUTO” mode, “CPR” appears, if it is
reset, “N0 OPR” appars.
When the TRP is not corresponded to the BB Linearizer,
N/A appears.
LOS:
Indicates the input status of the 1.5 MB signal for Main
DITFC. Ifthe input is disconnected, this alarm is issued.
Output LOS:
Indicates the output status of the 1,5 MB signal of Main
lNTFC. If the received signal frum radio link is lost, this
alarm is issued.
AIS Generated:
Indicates the status of AIS generation for receiving channel
in the Main INTF C.
AIS Received:
Indicates the status of AIS RCVD signal for transmitting
channel in the Main INTFC.
Channel Usage E1101“.
In Main Channel Usage item of the Provisioning Data,
when 15 MB bipolar signal is inputted into the channel
which has chosen "Not Used”, ‘ mark is displayed. And
the lvml’ ALM indicator on the from of the MD? is
lighted.
MODEM:
Indicates the operating status of the MODEM. If failure
occurs in the equipment, this alarm is issued.
Main lNTFC:
Indicates the operating status of Main INTFC. If failure
occurs in the equipment. alarm is issued.
4.9
PREVENTIVE MAINTENANCE Rol$04824
chart 4-1 Alarm and sum Monltoring (Cont’d)
Step Procedure
5 Press the “0” key to [agent and press the “Ems!” key.
GEN RE MN
MDP mp TRP mm:
PDHISDH SPEED spasm um
Amum ’ MOD TX RX cow cow
0“) (v) H B!)
p-
PDHVSDH W3 SpEED SPEED
ANALVER {Envl‘ ‘ cow i‘ DEM ' Rx T" ”Oui‘f cow
__flEL__ MQDEM MM ___§_TL_-
Fig. 4-1 Loopback D|agram for Faun Isolation
4-10
ROI-804824 PREVENT|VE MAINTENANCE
Chart 4-2 Loopback BER Measurement
Apparatus:
PDH Analyzer
Step Procedure
1 Disconnect the D-sub connectors from the CHl-CHS lN/OUT
or CH9-CH16 IN/OUT on the MD? (see Fig. 4-2),
2 Set me PDH Analyzer as follows:
- Bit rate : 1.544 Mbps (ANSI 11.102)
- Code format : BSZS or AMI
- Impedance : 100 ohms, balanced
3 Set up as in Fig. 4-2,
4 Measure the BER for each channel,
Requirementzl x 10‘ 12 or less
4-1 1
PREVENTIVE MAINTENANCE ROLSMBH
Transmitting End
PDH
ANALYZER
mum LAME
Rec ‘ In nd
PDH
< ANALYZER
Notes: Pin assignment afD-sub connector is referred to Table 2—1
in Section H Operation.
For 8116 x DS1 System
MDP
Fig. 4-2 BER Mann-men! Setup
4-12
ROI-504824
PREVENTIVE MAINTENANCE
Char! 4-3 Loophack Control settlng
This chart contains:
A Preparation: Steps 1 to 8
B. IF Loopback Central: Steps 9 to 14
C. Main Signal Loopback (Near End) Controh Steps 15 to 22'
0. Main Signal Loopback (Far End) Control: Slaps 23 to 30'
Nate: ‘Appliey to 8/16 x 1.5 MB system
step Procedura
Notes: It Service will be interrupted during Loopback
condition
2. Following Laopback operation is not p2rfi7rmed
simultaneously.
- IF Laopback
' Near End Loopback
- Far End Loopback
3A Lonpback operation is not yerfivrmed with an
opposite station ximultaneauxly.
A. PREPERATION
1 Connect the RS-ZZZC cable between the LCT and MDP (see
Fig. 2-2 in Chart 2-1),
2 Open the Terminal snfiware (eg; HyperTerminal),
3 Enter Login name “Admin” and press the “Enter” key on the
LCT,
Login : Admin
Password : "'""'
-— NEC PDH RADIO VER. X.XX.XX —
0. Logout
1. Alarm 1 Status
2. Performance Monitor
3. Frovlsloflinu Data
4. system Configuration
5. Invenwry Data
6. Relay! House Kaaping
T. Malntansnce
Enter Seiscflon 1
4-13
PREVENTIVE MAINTENANCE ROI-504324
4-14
Chart 4-8 Loopback Control Setting (Cont’d)
Step Procedurs
4 Enter specified passwurd and press the “Enter" key,
5 Press the “7" key for Maintenance and press the “Enter” key,
Enter Seiection : 7
—- Malntsnance -—
1. MAINT Mode (OFF)
2. Control
3. Reset CPU
4. Set Calendar
5. Password Settlng
6. Program Downtoed
Enter Seiscfion: 1
— MAINT Mode —-
14 On
2. OR
Enter Semcticn: 1
-- Maintenance ~~
1. MAINT Made (ON)
2, Cantroi
3. Reset CPU
4. Set Calendar
5. Password Setting
6. Program Downioad
Enter Selection :
6 Press the “1” key for MAINT Mode and press the “Entef‘ key,
7 Press the “1“ key fur ON and press the ‘Entef’ key,
8 Press the “2” key for control and press the “Enter” key,
B. [F LOOPBACK CONTROL
Note: Used for localization of equipment fizilme in the
TR)“ or MD}? The input 1.544 Mbps signal finm
MUX is looped back with IF signal via INTFC and
MODEM and then output with 1.544 Mbps signal
{see F lg 4-1}
ROI-804324
PREVENTIVE MAINTENANCE
chart 4-3 Loopback Control Setting (Cont’d)
step Procedure
9 Press the “7" key for [F loopbaek and press the “Enter" key,
Enter Selection : 2
-— Control -—
1. RF Frequency
2. ATPC Manual Control
4. TX Mme
6. CW
7. [F Locpback
8. Main Signal Loophack (Near End)
9. Mam Signal prback (Far End)
11A Antenna Alignment Mode
16. LAN Device Reset
EnterSelecfiun: 7
— lF Loopback —--
1‘ On
2. OH
Enter Selection : 1
Thls will Meet the radio link connaetlun.
Are You Sure 7 WIN) : Y
Success ll
Nate: Setting items displayed on the LCT depend on setting
condition of “System Configuration
10 Puss the “1” key far I? Luophack ON and press the “Enter”
key,
11 Press the “Y“ key and press the “Enter" key, then “Success H” is
displayed,
12 Atter the Lnupbsck test for BER, press the "7“ key and press the
“Enter" key,
13 Press the “2” key for IF Lonphack OFF and press the "Enter”
key,
14 Press the “Y" key and press the "Entef' key, then “Success 1!” is
displayed,
4-1 5
PREVENTIVE MAINTENANCE ROI—304824
Chart 4-3 Loopback Control Setting (Cont’d)
Shep Proceduu
C. Main Signal LOOPBACK (NEAR END) CONTROL
Nate: Used/or localization of equipment failure in the MUX or
Radio Equipment The input 1.544 Mbps signalfmm MUX
is looped back immediately, and then output with 1.544
Mbps signal (see Fig. 4-1).
15 Press the “8” key for Main Signal Loophack (Near End) and
press the “Entef’ key,
Emer Selection : 2
— Control —
1. RF Frequency
2. ATPC Manual Control
3. TXSW Manual Conlrol
4. TX Mme
5. RXSW Manual Canlrol
6. CW
7. IF Loopback
a. Main Signal Loopbaek (Nesv End)
9. Main Slgnal Lonpback (Far End)
11. Antenna Alignment Mode
16. LAN Device Reset
Enter Selection : 8
— Maln Signal Luopback (Near End) --
1. Salsasd CH Lucpbflck
2. All CH Loopback Oil
Enter Selection : 1
—- Main Signal Lcopbaek (Near End) -—
Loopback Sialus (CH01-08):¢“#####4l
(onus-16) ; ._.__...
on Select (CHM-OB): 15
-— Main Slgnal Luopbsck (Near End) -
1. On
2 0K
Enter Selection : 1
This will aflecl the radio link connudlon.
Are You Sure 7 (YIN) : Y
Success ll
Nata? : 1. Sefiing items diaplayzd on the LCT depend on setting condition
of "System Configuraliun ".
2. The status of channeh' are indicated below.
# : Assigned to LAN, ‘ : Ioopback condition, - .' Normal
4-18
ROISMSM PREVENTWE MAINTENANCE
Chan 4-3 Loophack Control Sanlng (Cont’d)
Step Procedure
16 Press the “1" key for selected CH Loopback and press the
“Entef’ key,
17 Press the desired channel number key and press the “Enter” key,
18 Press the “1” key for ON and press the “Entef’ key,
19 Press the “Y” key and press the “Ember" key, then “Success l!” is
displayed,
Note: In the Inapbank condition. ‘ mark is indicated
20 Afier the loopback control for BER, press the “ESC” key to
return my previous menu,
—- Maln Signal Luopback (Near End) -—
1. Selected CH Loopback
2. All CH Lowbaek 01?
Enter Selection : 2
This wlll sfiect the radio llnk connection
Are You Sure 7 (YIN): Y
success ll
21 Press the “2” key for All CH Laopback OH and press the
“Emef’ key,
22 Press the “Y” key and press the “Enter" key, then “Success l!“ is
displayed,
D. Main Signal LOOPBACK (FAR END) CONTROL
Note: Used for Ioaflizatian of equipment faiIure in the MUX or
Radio equipment. Input 1.544 Mbpy signal is looped back
with HVTFC of MDP at the apposite station and then
aurpurwith 1.544 Mbps signal (see Fig. 4-1).
4-1 1
PREVENTIVE MAINTENANCE ROI—504024
4-18
chart 4-3 Loopback Control Setting (Conl'd)
Shep Procedure
23 Press the “9" key for Main Signal Loopback (Far End) and press
the “Entef‘ key,
-- Control —-
1. RF Frequency
2. ATPC Manual Conn-oi
4. TX Mute
5. RXSW Manual szerI
6. CW
7. F Loopback
8. Maln Slgnal Loupback (Near End)
9, Maln Signal Loupbauk (Far End)
11. Anlanna Allgnmanl Mods
16. LAN Device Reset
Enlersalsction : B
— Maln Signal Loopback (Far End) «-
1. Selected CH Luopbawk
2. All CH prback Olf
Enter Salecfiun : 1
-- Main Signal Loopback (Far End) —-
Loopback Slams (CHM—08) - —
(CH09-16) »-
CH Select (01-15): 15
— Maln Signal Loopback (Far End) —
1. On
2. 01
Enter Selection : 1
This will alien me radlo Ilnk connection.
Are You Sure 7 (YIN): V
Success ll
Notes: I. Indication items on LCT display should be changed
according to "System configuration
2. When the laopback is controlled fiom opposite station, “Z"
mark is indicated.
3171s status afchannelx are indicated below
#: Assigned tn LAN, *.' loopback condition, - : Narmal
24 Pms the “1" key and press the “Enter” key,
25 Press the desired channel number key and press the “Enter” key,
ROI$04824 PREVENTIVE MAINTENANCE
chart 44 Loopback Control Settlng (Cont’d)
Step Procedure
26 Press the “1” key for ON and press the “Enter" key,
27 Press the “Y” key and press the “Enter“ key, the-n “Success H" is
displayed,
28 Afler the loopback test fior BER, press the “ESC” key to return
to previous menu,
—- Maln Signal Laopback (Far End) —-
1. Selected CH Loupback
2. Ali CH Lnopback Off
Enler Selection : 2
This will afford the radio link connecllon.
Are You Sure 7 (YIN): V
success ll
29 Press the “2” key for All CH LOprflck Off and press the
“Enter" key,
30 Press the “Y” key and press the “Enter” key, then “Success H” is
displayed,
4-19
PREVENTIVE MAINTENANCE Rorsmazn
4.2 Replacement
The replacement pruccdures of the MDP and TRP is described below.
4.2.1 MDP Replacement
The procedures for replacing MDP with spare are given in the Chart 44.
Chart 44 MDP UnIt Replacement
Warning: Persons perfirrming servicing must take necessary steps to
amid electm-static discharge which may damage the
modules or cause error: Wear a conductive wrist strap
connected la the graanded (G) jack an the front of the
equipment shelf: This will minimiu static build-up during
servicing. (see Fig. 2-1).
Warning: When replace the unit, turn ofi‘thcpawer switch and alIaw
some timefar the unit to can] before handling the unit to be
replaced.
This chart contains:
A. No.1 CH MD UNIT replacement Steps 1 to 7
B. No.2 CH MD UNIT replacement: Sisps 18 and 719
C. SW UNIT replacement SIeps 20 to 28
Apparams:
SuIIable Screwdriver
_______._._._—-———-——
Sup Procedure
This WP consists of three uniIs (N04 1 CH MD UNIT/SW
UNIT/No. 2 CH MD UNIT) (see Fig. 4-4). If any unit fails,
replace only the unit that fails with a spare following the
procedure described beiaw.
Caution: When the SW UNITiv replaced with spare, service is
interrupted.
Note: No.2 CH MD UNIT is not provided for I +0 yxlem,
4-20
ROI$04824
PREVENTIVE MAINTENANCE
step
10
11
12
13
14
15
15
17
Chart 4-4 MDP Unlt Replacement (Cont’d)
Procedure
A. No.1 CH MD UNIT REPLACEMENT
REMOVING
Referring to Chart 2-1, set maintenance mode to maintenance
“ON" position by LCT,
Perform the protection switching to protect the system in 1+1
system,
Turn off the power switch on the No. 1 CH NED UNIT (see Fig.
4-3),
Disconnect the power cable from the SEL V connector on the
No.1 CH NED UNIT,
Disconnect the IF cable fi-om the IF IN/OUT connector on the
N0. 1 CH MD UNIT,
Disconnect the frame ground cable fi'om the FG terminal,
Loosen two screws on the Not 1 CH MD UNIT,
To remove the MD UNIT, hold two screws then pull it forward,
Place a new MD UNIT at the location for mounting, then push
along the guide rail until the mnlti-pin connector exactly fits,
Tighten two screws on the MD UNIT (see Fig. 4—3),
Reconnect IF cable to IF IN/OUT connector,
Reconnect power cable to SEL V connector,
Reconnect frame ground cable to F6 terminal,
Turn on the power switch,
Reset the protection switching to Auto mode in 1+1 system,
Confirm that the all alarm LED are OFF,
Referring to Chm 2~l, reset maintenance mode to maintenance
“OFF” position,
4-21
PREVENTIVE MAINTENANCE nelson-m
chart 4-4 MDP Unll Replacement (Cont‘d)
Stop Pronedum
B. No. 2 CH MD UNIT REPLACEMENT
REMOVING
18 Repeat steps 1 to 7 for No.2 CH MD U'N'IT,
REMOUNH‘IG
19 Repeat steps 8 to 14 forNo.2 CH IWD UNIT,
C. SW UNIT REPLACEMENT
Note: When replacing SW UNIT with spare, replace quickly to
minimize service interruption.
20 Before removing the SW UNIT fi'om the MDP, mark
corresponding terminal name for all cables connected to the SW
UNIT,
21 Turn off the power switch on the No.1 CH MD UNIT, (see Fig.
4-3),
22 Tum otfthe power switch on the No.2 CH ND) UNIT,
23 Disconnect all cables from connectors on the MDP,
24 Disconnect ground cable from the FG terminal
25 Loosen two screws on the SW UNIT.
26 To remove the SW UNIT, hold two screws then pull it forward.
REMOU'NTING
27 Place a new SW UNIT at the location for mounting, then push
along the guide rail until the multi~pin connector exactly fits,
28 Tighten two screws on the SW UNIT (see Fig. 4-3),
29 Reconnect ground cable to F6 terminal,
30 Reconnect correctly all cables removed in step 19,
31 "fin-n on the power switches on the Noll and No.2 CH MD
UNIT.
________.._.____.—-———-—
4-22
ROI-504624 PREVENTIVE MAINTENANCE
m 1 PW No.1 CH sELV SCREW
VT?” _
m w m T“ “ 5;T_
w;;;m; win”;- ugh; “a";‘ggg 0
z: m g was, ma
61 m; mm
WM 1: O
‘
E a 7 x
V N 2PWR
sens sw um o. _
W re N02 CH MD UNIT N" 2 CH SE" V SCREW
Note: Other portions are the same as the equipment for 8 xDSl yystem.
FOR 16 x 081 SYSTEM
MDP
Fly. 44 Screw, Cnnnactor and Switch Lucatlon
4.2.2 TRP Replacement
The procedures for replacing the TRP with a spare are given in Chart 4-5.
The label attached m the side of TRP indicates the T RP Iype (see Fig 4-3),
To replace the TRP, prepare another TRP ofthe same type as indicated on
the label of the failed on: (see Appendix in Description section)
‘fi‘éffibn
oumonn um (sue) f“
urn-um um mum Mb,
55mm we fl
wmmfl‘AMx/Hfl
NEC mum“.- mmw
10‘5 GHZ Band TRP
Fig. 4-4 TRP Wpe and Frcqucncy Indication Label
4-23
PREVENTIVE MAINTENANCE Roi-504524
chart 4-5 TRP Replacement
step Procedure
10.5 GHz BAND TR?
REMOVING
1 Turn off the pcwer switch on the associated MDP,
Camion: Do not remove the IF line cable before turn OFF
theer switch on the MDP.
2 Remove the self-banding tape from the n7 lN/OUT connector,
3 Disconnect the IF cable fiom the IF IN/OUT connector on the
TRP,
4 Disconnect ground cable from the PG terminal on the TRP,
5 Loosen the four 1301's fixing the TRP with a T type hexagonal
driver,
SCREWS
6 Remove the TRP from the bracket with both hands,
4-24
ROLSMBZI;
PREVENTIVE MAINTENANCE
Chart 4-5 TRP Roplammsm (Cont’d)
Step Procedur-
MOUNTING
7 When vertical polarimfion is required, rotate the TRP so that the
plate marked V nuns to top,
Note: Remove the protection metallic plate covering the
waveguide hole on the TRP.
8 When horizontal polarization is required, remove the guide pin
fixed on the plate marked V.
GUIDE PIN
PLATE MARKED V
9 Insert the guide pin removed in previous step behind ofthe plate
marked H.
10 Renate the TR? so that the plate marked H turns to top.
4-25
PREVENTIVE MAINTENANCE ROI-SIMS“
chart 46 TRP Replaumanl (Cont’d)
sup Procedure
GUIDE PIN
PLATE MARKED H
PLATE MARKED V PLATE MARKED H
V POLARIZATION H POLARIZATION
v/H Palarizatlon Convarslon
11 Put the spare TRP onto the bracket,
Note: Be cmfid not to damage the flange.
4—26
ROI-504824
PREVENTIVE MAINTENANCE
Char! 4-5 TRP Replacomont (Com'd)
Step
Procedure
12
TRP
13
Mount the spare TRP onto file bracket, and tighken the four
screws on the TRP,
SCREWS
SCREWS
Reconnect the IF cable to the IF [N/OUT connector on the TRP,
4-27
FREVENTlVE MAINTENANCE ROI-504824
Char! 4-5 TRP Replacement (Cont’d)
Step Procedure
14 Wrap the IF IN/OUT connector with self—bonding tape fur
waterproofing.
This pan should be wrapped by
self-bonding taps for waterproofing.
TRP |FL CONNECTOR
SELF-BONDING TAPE
IF CABLE
-——-‘ SELF'BONDING TAPE
|N CASE OF "L" ANGLE
Note: The self-bonding tape should be prepared by the
6113107712)!
15 Reconnect ground cable to FG terminal,
16 Tum on the power switch on the NEDP.
4-28
ROI—304324 PREVENTIVE MAINTENANCE
4.3 Alignment
Afiet replacing the unit with spares, the equipment must be aligned as
listed in Table 4-2. The inventory information of each module in the
equipment is displayed as shown in Chem 4-8.
Table 4-2 Equipment Alignment
A gnmnnt Item Reference Procedure
System Configuration Setting Chart 5—1 in Section II
Provisioning Setting Chart 5-3 in Section II
BER Measurement “‘ Chm 4—2 in this Section
Meter Reading Chart 3-2 in this Section
System Configuration Setting Chart 5-1 in Section II
Date and Time Setting Chart 4-7 in this Section
Provisioning Setting Chart 5-3 in Section II
Relay/House Keeping Setting‘ Chart 5—4 in Section II
BER Measurement “W Chart 4-2 in this Section
Meter Reading Chart 3-2 in this Section
System Configuration Setting Chart 54 in Section II
BER Measurement H Chan 4-2 in this Section
Meter Reading Chart 3—2 in this Section
Notes: It ' Thisprocedame is to beperformed, as required
22 *‘ The BER measurement ix optional, pedorm if necessary.
34 All setting items must be restored to original condition
4-29
PREVENTIVE MAINTENANCE ROI-304824
460
Chart 4-6 System Configuratlon Setting
This chart describes the procedure for setting the system configuration
after system has modified or replaced equipment. The items to be set are
as follows:
- Equipment Configuration
' Mm'nlnlerfaee
- RFFrequeney
- TX Power Control
- Frame ID
Slip Procedure
1 Referring to Fig. 2-2 in Chart 2-1, connect the RS—232C cable
between the LCT and the MDP,
2 Open the Terminal sofiware (e.g; Hypefl'erminnl),
3 Enter Login name “Admin” and press the “Enter" key,
4 Enter password “12345678” and press the “Enter" key,
Login : Admin
Password : ""“"
—— NEG PDH RADIO VER. X,XX.XX —<»
0. Logout
1. Alarm I Status
2. Performance Monitor
3. Provisioning Data
4A System Configuration
5. Invenlory Dale
6. Relay! House Keeping
7. Maintenance
Enter Selection :
5 Setting of the system configuration should be performed
according to the procedure chart 5-1 in Section 1! Operation.
ROI-804824
PREVENTIVE MAINTENANCE
Chart 4-1 Deb and Time Setting
This chart describes the procedure for setting date and time. When the
MDP is turned OE for an extended period (i.e. approx. 1 week or more),
the equipment time setting could have been cleared. In such case, verify
and re-enter the time setting after turning on the MDP.
Step Procedure
1 Press the “ESC” key to go back to the following menu,
- NEC PDH RADIO VER. X.XX.XX --
o. Lngout
1, Aierm / Status
2. Performance Manner
3. Provisioning Data
4. System Configuration
5. Inventory Data
6. Relay I House Keeping
7. Malmenams
Enter Selec‘don :
2 Press the “7“ key for Maintenance and press the “Enter" key,
Enter Selectlon : 7
— Malmenanoe —-
1. MAINT Mode (OFF)
2. Conlml
3. Russ! CPU
4, Set Calendar
5. Password Setting
6. Program Download
Enter Selection : 4
-— Set Calendar -—
Enter Year : 2001
Enter Month : 2
Enter Day : 25
Emsr Hour 1 15
Enter Min : 20
Enter Sec : 40
success I]
3 Press the “4” key for setting the Set Calendar and prfis the
"Entef'key,
4-51
PREVENTIVE MAINTENANCE ROI-504524
4-32
______.___.—~—-—
Chart 4-7 Dan and 11m. Settling (Cont’d)
step Procedure
4 Set all items according to display of the LCT,
5 Afler setting the time, proceed lo Chm 5-8 for the Provisioning
setting.
Rol$04824 PREVENTIVE MAINTENANCE
Chart 4-8 Inventory Data Monitoring
Step Procedure
1 Referring to Fig. 2-2 in Chart 2-1, connect the RS»23ZC cable
between the LCT and the MDP,
2 Open the Terminal scflware (tag. Hypefl'erminal),
3 Enter Lngin name "Admin” and press the “Enter" key,
4 Enter the specified passwnrd and press the “Entef’ key,
Logln : Admin
Passwor : m...“
-— NEC PDH RAD|O VER. X.XX.XX ---
0. Logan!
1 . Alarm / Status
2. Ferfonnanoe Manner
3, Provisioning Dale
4. System Configuraflun
5. Inventory Data
5. Relay I House Keeping
7. Malnwnance
Enter Selection :
5 Press the “5” key for Inventory Data and press the “Emef‘ key,
Dlsplsy Inventory data
Module [Code No, iDahe lSerial Na. |HWType. fSWVer.
TRF No.1 lama 12001/01/27 homo-t |ou1s |1.uc
TRP No.2 lG7965A woman/27 {on-1002 |oo1s |1.oo
MD UNIT No.1 {GSSSEA mow/emu |oo4ooz |- |1,oo
sw UNIT [685m {2001/02/20 |oo4ooz 1- mm
MD UNITNo.2 |GesasA (2001/02/20 |004002 |- 31.00
Note: The damfor No.2 CH 771? and MDP are nut dispIayed for [+0
system.
Each hem in the inventory dam is explained below.
- TRPNoJ : Indicates the information on the Nu.l channel
TRE
- TRPNOJ: Indicates the infmnafim on the No.2 channel
TRR
- MDUNIT No.1 : Indicates lvfl) UNIT mounted on the tap
layer ofthe thee—layer equipment.
4-33
PREVENTIVE MAINTENANCE ROI-304824
Chart 48 Inventory Data Manlfiorlng (Conl’d)
Step Procedure
' SW UNIT : Indicates the UNIT located at the middle layer of
the three-Jaye]:
' NE) UNIT No.2 : Indicates the UNIT mounted on the lower
layer of the thleblayel‘ equipment.
Nate: The end of HW Twe signifies the We nfTRP.
S: Super High Grade (SHG)
H: High Grade (HG)
6 Press the “ESC” kay,
7 Press the “0" key to Logout and press the “Enter“ key.
4-84
34 pugs:
ROI-504524
5.1 General
5.2 Procedure
CHANGING PASSWORD
5. CHANGING PASSWORD
This Section pmvida the procedure for changing the login password to
access the LCT.
Nore: If you enter invalid the password, login a/LCT as Administrator
is impossible. When you change the login password, be careful
enough.
Procedures for changing the password is referred to the Chart 54.
than 54 Changing Password
Step Procedure
1 Connect the RS-232C cable between the LCT and MDP,
2 Open file Terminal sofiware (ex. Hypefl‘erminal),
3 Enter Login name “Admin" and press the “Enter” key,
Lag'm : Admin
Passw : mm"
- NEC FDH RADlQ VER. X.XX.XX —-—
0. Logan!
1. Alarm I Status
2. Performance Monitor
3. Provisioning Data
4. System Configutaflon
5. Invenimy Dara
6. Relay! House Kaaplng
7. Maintenance
Enter Selection :
CHANGRNG PASSWORD
ROI-804824
Chart 5-1 Changing Password (Confd)
Stlp
Procedure
Enter the current login password and press the “Enter“ key,
Press the “7” key and press the “Enter” key,
Enter Selscdon : 7
- Malntananee ---
1. MAINT Mods (XXX)
2‘ Control
3. Reset CPU
4. Sat Calendar
5, Password Setting
6. Program Download
EnterSslection : 5
-— Password Setting —-
Enter CurrentPassword : "““"‘
Enter Nam/Password : "mm
Enter NewPassword : “mm
—- Malntenance —
1. MAINT Mode (XXX)
2. Centre!
3. Reset CPU
4. Set Calendar
5. Password Setting
8, Program Download
Enter Selection :
6 Press the “5“ key for password setting and press the “Enter" key,
7 Enter the current password and press the “Enter” key,
8 Enter the new password (8 figures) and press the “Enter” key,
9 To confirm the password, re—enter the new password and press
the “Enter” key,
10 Press the “ESC” key to return to previous mm“,
11 Press the “0” key to logout.
5-2
2 pages

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