Adtran Recording Equipment 850 Users Manual

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2015-01-24

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61200376L1-5B
Issue 2, June 2000
CLEI Code: SILCHL0DAA

TA 850 System Installation and Maintenance
Contents
1. General ........................................................................... 1
2. Product Overview ........................................................ 1
3. Installation ..................................................................... 2
4. Specifications................................................................. 6
5. Maintenance .................................................................. 6
6. Warranty and Customer Service ................................ 6
7. Limited Product Warranty.......................................... 7
8. Regulatory Requirements............................................ 7

TA 850 system benefits integrated communications
providers, such as CLECs, ILECs, and ISPs, who require
a customer premises device that integrates voice and
data functions, and provides a viable migration path
from TDM to packet-based technology. The TA 850
features remote management, an integrated IP/IPX
router, and special services slots.

Figures
Figure 1. TA 850................................................................ 1
Figure 2. TA 850 Backplane............................................. 2
Figure 3. TA 850 Component Layout and Cable Connections .............................................................. 3
Figure 4. Connector Pinout ............................................. 5
Figure 5. T1 Connections ................................................. 5
Figure 6. Alternate Power Connection .......................... 5
Figure 7. Office Alarm Connections .............................. 6
Tables
Table 1.
Table 2.
Table 3.
Table 4.

Figure 1. TA 850
TA 850 Backplane Connections ....................... 4
Wire Wrap Identification.................................. 6
Alarm Notification............................................. 6
Specifications and Part Numbers .................. 10

1. GENERAL
This practice provides installation and maintenance
procedures for the ADTRAN Total Access 850 (TA 850)
System. The Specifications and Part Numbers Table
(Table 4 on page 10) shows part numbers for equipment
and documents referenced in this practice. Referenced
practices should be on-hand during system installation.

NOTE
This is not an operational manual. To obtain an
operational manual, contact ADTRAN Technical
Support at (888) 4ADTRAN.

The TA 850 is a modular device, with two common slots
and eight access slots. Common cards required for operation are a power supply unit (PSU) and a router control unit (RCU). The RCU is a card that currently
supports TDM-based applications, but can be easily upgraded to an ATM-based controller as requirements
change. The RCU includes a T1 network interface,
DSX-1 PBX interface, Nx56/64 V.35 interface, and builtin IP/IPX router. Six access slots allow the user to combine a variety of voice and data services. Up to six Quad
FXS or Quad FXO access modules can be installed to
support up to 24 analog voice lines. Other access modules for data applications include the OCU DP and
ISDN U-BR1TE. The other two access slots are for future hardware options.

Revision History
This is the initial release of this document. Future revisions to this document will be described in this subsection.

Using local or remote inband management, carriers can
turn features, functions, and access ports on and off.
Easy access to modules, common cards, power supplies, and the battery back-up system simplify maintenance procedures. Hot-swappable modules may be
replaced without disrupting other units. The four-circuit-per-module design ensures that only four analog
circuits are affected when replacing a module.

2. PRODUCT OVERVIEW
The TA 850 system (see Figure 1) is an integrated access
device designed for cost-effective deployment of voice
and data services at the customer’s premises. The

A compact, NEBS-compliant cabinet suitable for the
customer premises or the central office provides added
safety and reliability. The 2U design uses little rack
space. When wall mounted, the 8.5-inch by 11-inch

61200376L1-5B

Trademarks: Any brand names and product names included in this document are
trademarks, registered trademarks, or trade names of their respective holdres.

chassis occupies a space the size of a piece of notebook
paper. Two TA 850 systems can be mounted side-byside in either 19-inch or 23-inch relay racks.
Preconfigured packages are available.

Connector P7 is used when -48 VDC is available on site
and screw-type terminal connections are required.
P7

Features
The TA 850 includes the following features:
• T1/FT1 integrated access
• TDM to ATM migration
• Modular network interface for future xDSL compatibility
• Integrated IP/IPX router

• Integrated DSX-1 PBX interface

Figure 2. TA 850 Backplane

• V.35 Nx56/64 DTE interface
• TR-08 signaling support
• Analog FXS and FXO voice expansion (four per
board)
• SNMP management
• NEBS and UL 1950 compliance
• Industry leading 10-year warranty
Functional Description
The TA 850 System comprises the chassis, common
cards, and access modules. Associated with the system
are additional elements including an AC to DC power
supply and battery charging unit and a battery pack for
backup power.

WARNING
On TA 850 installations that do not use all chassis
slots, UL 1950/NEBS requires that the empty slots
must have a TA 850 blank unit (part number
1175099L1) installed in the opening.
External AC and DC Power. The ADTRAN AC/DC
Power Supply/Battery Charging unit receives its power from a standard 115 VAC outlet. During operation,
the power supply maintains -54 VDC to the PSU. The
power supply battery charging circuit maintains the
battery pack at peak charge. In the event of an AC power failure, the battery backup circuit automatically provides battery power to the PSU for up to 8 hours. When
AC power is restored, input power automatically returns to the AC supply and the battery charging circuit
will recharge the battery to peak.
On the TA 850 chassis, the incoming power termination
point is on either of two backplane connections: P7 or
P6. (See Figure 2.) Both sources connect directly to the
PSU. Connector P6 is used when the chassis is powered
by the ADTRAN AC/DC Power Supply unit (P/N
1175043L1) which mounts externally to the chassis.

PSU. The Power Supply Unit supplies -48 VDC and
20 Hz ringing voltage to the Router Controller Unit
(RCU) and the access modules. The PSU converts
-48 VDC input to the required voltages needed to operate all common units and access modules. The ring generator circuit provides 20 Hz ring voltage to the analog
access modules.
The PSU faceplate (see Figure 1 on page 1) shows the
following: two GMT fuses (one for power and one for
20 Hz ring voltage), a channel bank status LED, and an
alarm cutoff (ACO) pushbutton switch. The separately
fused ring generator supplies up to 20 REN to the access
modules.
RCU. The Router Controller Unit is a dual board assembly that provides the network interface. The RCU can
provision, test, and provide status for any card in the
channel bank. The faceplate has a DB-9 CRAFT port connection, dual bantam jack connection, plus network,
V.35, and Ethernet LEDs.
Access Modules. The TA 850 is designed to support
Quad FXS, Quad FXO, OCU DP, and UBR1TE access
modules.
3. INSTALLATION
Before installing the TA 850, carefully inspect the
TA 850 Base Unit for shipping damage. If you suspect
damage, file a claim immediately with the carrier and
then contact ADTRAN Customer and Product Service.
( See “Warranty and Customer Service” on page 6.) If
possible, keep the original shipping container for returning the TA 850 for repair or for verification of damage during shipment.
Your ADTRAN shipment includes the following items
(if the unit is not purchased directly from ADTRAN, it
may be packaged differently):
• TA 850 chassis, PSU, RCU, and blanks
• TA 850 System Installation and Maintenance Practice

Issue 2, June 2000

61200376L1-5B

TA 850
S

V.35

-48 VDC Backup Battery Pack

10 BASE T

CRAFT

WARNING:

20Hz FUSE
MUST BE REMOVED
BEFORE REAR COVER

Grounding Instructions
This section provides grounding instruction information from the Underwriters' Laboratory UL 1950 Standard for Safety: Information Technology Equipment.

DSX-1

An equipment grounding conductor that is not smaller
in size than the ungrounded branch-circuit supply conductors is to be installed as part of the circuit that supplies the product or system. Bare, covered, or insulated
grounding conductors are acceptable. Individually
covered or insulated equipment grounding conductors
shall have a continuous outer finish that is either green,
or green with one or more yellow stripes. The equipment grounding conductor is to be connected to ground
at the service equipment.
The attachment-plug receptacles in the vicinity of the
product or system are all to be of a grounding type, and
the equipment grounding conductors serving these receptacles are to be connected to earth ground at the service equipment.
A supplementary equipment grounding conductor
shall be installed between the product or system and
ground that is in addition to the equipment grounding
conductor in the power supply cord.
The supplementary equipment grounding conductor
shall not be smaller in size than the ungrounded
branch-circuit supply conductors. The supplementary
equipment grounding conductor shall be connected to
the product at the terminal provided, and shall be connected to ground in a manner that will retain the
ground connection when the product is unplugged
from the receptacle. The connection to ground of the
supplementary equipment grounding conductor shall
be in compliance with the rules for terminating bonding
jumpers at Part K or Article 250 of the National Electrical Code, ANSI/NFPA 70. Termination of the supplementary equipment grounding conductor is permitted
to be made to building steel, to a metal electrical raceway system, or to any grounded item that is permanently and reliably connected to the electrical service
equipment ground.

DC
POWER

CAUTION
-54 VDC Output to TA 850
During TA 850 wall installation,
position chassis so front
AC/DC Power Supply
panels face UP.
Battery Charging Unit

To Alarms

120VAC/
2A 60HZ INPUT

-54VDC
OUTPUT
BATTERY
INPUT

GROUND

AC ALARM
OUTPUT

-54 VDC Battery
Charging/Discharging Line
AC Power Input

Figure 3. TA 850 Component Layout and Cable
Connections
Mounting Brackets. The TA 850 chassis includes wall
mount brackets. If rack mount brackets are needed, use
part number 1175045L1 or 1175046L1 for 19-inch or
23-inch, respectively.
Tools Needed (Wall-Mount). The TA 850 chassis
mounts and connects with standard fasteners and hand
tools:
• Four #8 x 3/4 inch pan-head wood screws
• Drill and drill bit set
• Flat head screwdriver (medium)
• Two Phillips head screwdrivers (small /medium)
• Wire-wrap gun (optional)
• 5-pair male amphenol cable (customer connection)
• Selected punch-down block and tool
Mount the Chassis. Install the chassis as follows:
1. Position the chassis at the desired location; observe
required clearances and ensure cable plugs reach
their designated sockets.
2. Ensure the chassis is plumb; then mark through the
flange mounting holes to identify where the pilot
holes will be drilled.
3. Using a 1/16 inch bit, drill pilot holes at the marked
locations.
4. Mount the chassis using the four #8 by 3/4 inch panhead wood screws.

Install the Chassis
Standard installation is a single unit wall mount. Position the chassis with the access modules facing up.
Mount on heavy plywood (3/4 inch minimum). Refer
to Figure 3 for component layout.

Connections. All connections are made through terminals, jacks, and wire-wraps on the backplane. Refer to
Figure 2 on page 2 for backplane connections. Refer to
Table 1 on page 4 for backplane reference designator
descriptions and functions supported.

Required Clearances. A minimum 10-inch clearance
is required on the front end for access module insertion
and withdrawal. On the backplane end, a five-inch
clearance is required for wiring access to the V.35 connector. For those units installed in a communications
bay, standard bay clearances are satisfactory.

A removable rear cover provides access to the backplane, and an access panel that mounts to the rear cover
allows access to wire-wrap strips P1, P3, and P5, power
terminal strip P7, and clock termination switch SW1
without removing the main rear cover. Most CPE applications will not require removal of the rear cover.

61200376L1-5B

Issue 2, June 2000

Alternate Connections. For wire-wrap or screw
terminal connections, the rear cover does not need to be
removed; only the terminal access cover needs to be
removed. Make wire-wrap or screw terminal
connections as follows:

Table 1. TA 850 Backplane Connections
Ref Des

Device/Label

Technology

wire-wrap strip

clock/tests

50 pin amphenol

FXO, FXS, etc.

wire-wrap strip

alternate T1 interface

1. Unscrew the access cover hold-down screw.

wire-wrap strip

alarms

4 pin jack

primary -48 V in

2. Slide the access cover down slightly to disengage the
lock-tabs from their slots.

3-lug terminal

alternate -48 V in

JP1

RJ-48/E-NET

10BaseT Ethernet

CAUTION
Use wire gauge suitable for the application.

JP2

RJ-48/T1

primary T1 interface

JP3

RJ-48/FT1

DSX1 interface

JP4

RJ-48/MAINT

RS 232 craft interface

V.35

Nx56K/64K

3. Identify the wire-wrap pins designated for use, and
make the connections starting with the pins closest to
the exit port to avoid wiring interference as work
progresses.

UL 1950 Deployment Guidelines. One of the following two powering schemes shall be used when powering this equipment:

4. If alternate power connection to P7 is to be used,
make those terminal connections last.

1. Use the ADTRAN power supply (part number
1175043L1).

6. Position and align the access cover tabs to the slots;
insert the tabs and slide the cover up slightly until
the screw holes are aligned. Ensure that exit wiring is
not pinched or damaged.

2. Do the following:
a. Connect the unit to a reliably grounded -48 Vdc
source which is electrically isolated from the AC
source.
b.A readily accessible disconnect device, suitably
approved and rated, shall be incorporated in the
input source wiring.
c. The branch circuit overcurrent protection shall be a
fuse or circuit breaker rated minimum 48 V, maximum 20 A.
d.This unit shall be installed in accordance with the
requirements of NEC NFPA 70.
The installation configurations codes are given below:
In

Out

7. Reinsert the hold-down screw.
Customer Connection. One 50-pin male amphenol
connector (P2) provides the interconnect wiring for the
access modules located in slots 1 through 6 of the chassis. This connector is usually terminated with a punchdown block for premises wiring or connected directly
to a cross-connect or main distribution frame. Figure 4
on page 5 details the connector pinout.
T1 Connection. There are two termination points for
connecting the network T1 to the chassis: the primary
RJ-48 connector (JP2) and the alternate wire-wrap pins
on terminal strip P3 (as shown in Figure 2 on page 2).
Only one connector type is used (not both).
The T1 primary connection is via the RJ-48 connector labeled
T1 (JP2). This arrangement provides a convenient T1 connection for those installations where a T1 Smart Jack is used.

CAUTION
Both Power and T1 services have two connection
points. In all cases, only one of the connection
points is used. Adhere to the instructions in the
following subsections to ensure correct installation.

5. Carefully route wiring through the exit port.

The RCU common module provides termination for
DSX-1 and DS1 signals. For wire-wrap connections, shield
is provided by the ground pin adjacent to the DSX-1/DS1
pin set (see Figure 5 on page 5). Line build-out and equalization settings are provisioned on the RCU.
Power Connection. There are two power connections on the backplane: a modular DC plug (P6), and a
three lug terminal strip (P7). (Refer to Figure 2 on page 2.)
The primary connection is the modular plug, which
receives -48 VDC from the ADTRAN power supply/
battery charging unit (P/N 1175043L1). The alternate

Issue 2, June 2000

61200376L1-5B

connection is screw terminal P7, which can be used if
-48 Vdc is available as in central office applications. The
screw terminal connection is shown in Figure 6 on page 5.
CAUTION
During installation, power should be the last
connection made after all other wire-wrap
connections are completed.

Slot 6

P
P
P
P

Slot5

NC
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T

P
P
P

Slot 4

P
P
P
P

Slot 3

P
P
P
P
P

Slot 2

P
P
P
P

Slot 1

-48V

GRD

BLK
20 AWG
SOLID
FG
TO WIRE WRAP
FRAME GROUND

Circuit 3

Figure 6. Alternate Power Connection

Circuit 2
Circuit 1
Circuit 4
Circuit 3
Circuit 2
Circuit 1
Circuit 4

NOTE
The following section is for information only, and
the features described are not necessary for typical
applications.

Circuit 3
Circuit 2
Circuit 1
Circuit 4
Circuit 3
Circuit 2
Circuit 1
Circuit 4
Circuit 3
Circuit 2
Circuit 1
Circuit 4

Office Alarms. Backplane alarm connections (P5) are
labeled as shown in Table 2 on page 6 and illustrated in
Figure 7 on page 6. Alarm relay contacts are open during normal operation. The alarm relay contacts close in
the event of a local alarm condition or the receipt of an
alarm from the T1 carrier. In a carrier alarm condition
such as a Red, Yellow, or Blue (unframed all 1s), various
alarm contacts in the PSU close. Carrier alarm conditions cause the TA 850 to initiate trunk processing. The
following chain of events then occur:

Circuit 3

1. MJ will be directly shorted to MJR.

Circuit 2

2. MJV will be directly shorted to MJVR.

Circuit 1

Contacts MJ and MJR can be overridden manually during an alarm condition by pressing the ACO pushbutton on the PSU faceplate. If the 3-Amp power fuse on
the PSU trips, the -48ALM relay will close, providing a
-48 VDC signal on that pin. This alarm cannot be overridden by the ACO pushbutton. Refer to Table 3 on
page 6 for alarm notifications.

To DSX-1/DS1

BLK

Circuit 4

Figure 4. Connector Pinout

RED
16 AWG
STRANDED

TO FUSE
PANEL

50 PIN
AMP
RECEPTACLE

20 AWG
RING LUG

16 AWG
RING LUG

Figure 5. T1 Connections

61200376L1-5B

Issue 2, June 2000

Install any Option Modules
After installing the TA 850 Base Unit and connecting
the required cables, you can install your choice of option modules.

Table 2. Wire Wrap Identification
P3 Wire-Wrap Connections
T1 Connections
1

DS1 Ring input from network

DS1 Tip input from network

DS1 Ring output from network

DS1 Tip output from network

Gnd

WARNING
Remove the 20 Hz fuse before exposing backplane or
accessing channel units.
Individual access modules insert from the front. A locking bar holds the modules in place for added security.
Disengaging the captured screw allows removal of the
locking bar. All wiring connections terminate on the
backplane. Refer to Table 2 on page 6 for wire-wrap
connections, and refer to Figure 2 on page 2 for backplane layout. Refer to Table 1 on page 4 for backplane
reference designator descriptions and functions supported.

Ground

P5 Wire-Wrap Connections
Alarm Connections
1

-48 ALM DC Alarm output

MJVR

Major Alarm Visual Common

MJV

Major Alarm Visual

MJR

Major Alarm Audible Common

Major Alarm Audible

Power-Up
As shipped, the T A850 is set to factory default conditions. After installing the TA 850 Base Unit and any option modules, the TA 850 is ready for power-up.

To customer designed remote alarms

MJR

MJV

MJVR

-48VALM

4. SPECIFICATIONS
Table 4 on page 10 gives specifications and relevant
part numbers.

ADTRAN does not recommend that repairs be attempted in the field. Repair services are obtained by returning
the defective unit to ADTRAN Customer Service.

Figure 7. Office Alarm Connections
Table 3. Alarm Notification
Alarm Condition

Relays Activated
MJR

MJVR

Red Alarm

Yellow Alarm

AIS Alarm

PSU Power Fuse Fails

Alarms ACO Deactivates

-48 ALM

Note: ACO will not deactivate MJR after a power fuse
failure.

5. MAINTENANCE
The TA 850 System does not required programmed
maintenance for design operation.

6. WARRANTY AND CUSTOMER SERVICE
ADTRAN will replace or repair this product within ten
years from the date of shipment if the product does not
meet its published specifications or if it fails while in
service. For detailed warranty, repair, and return information refer to the ADTRAN Equipment Warranty and
Repair and Return Policy Procedure.
Return Material Authorization (RMA) is required prior
to returning equipment to ADTRAN.
For service, RMA requests, or more information, see the
following sections for the correct toll-free contact number.

Issue 2, June 2000

61200376L1-5B

Product Support Information
Pre-Sales Inquiries and Applications Support.
Please contact your local distributor, ADTRAN Applications Engineering, or ADTRAN Sales:
Applications Engineering

(800) 615-1176

Sales

(800) 827-0807

Post-Sale Support. Please contact your local distributor first. If your local distributor cannot help, please
contact ADTRAN Technical Support and have the unit
serial number available.
Technical Support

(888) 4ADTRAN

Repair and Return. If ADTRAN Technical Support
determines that a repair is needed, Technical Support
will coordinate with the Customer and Product Service
(CAPS) department to issue an RMA number. For information regarding equipment currently in house or possible fees associated with repair, contact CAPS directly
at the following number:
CAPS Department

(256) 963-8722

Identify the RMA number clearly on the package (below address), and return to the following address:
ADTRAN, Inc.
6767 Old Madison Pike
Progress Center
Building #6 Suite 690
Huntsville, Alabama 35807

EXCEPT FOR THE LIMITED WARRANTY DESCRIBED
ABOVE, THE FOREGOING CONSTITUTES THE SOLE
AND EXCLUSIVE REMEDY OF THE CUSTOMER
AND THE EXCLUSIVE LIABILITY OF ADTRAN AND
IS IN LIEU OF ANY AND ALL OTHER WARRANTIES
(EXPRESSED OR IMPLIED). ADTRAN SPECIFICALLY
DISCLAIMS ALL OTHER WARRANTIES, INCLUDING (WITHOUT LIMITATION), ALL WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. SOME STATES DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES,
SO THIS EXCLUSION MAY NOT APPLY TO CUSTOMER.
In no event will ADTRAN or its suppliers be liable to
Customer for any incidental, special, punitive, exemplary or consequential damages experienced by either
Customer or a third party (including, but not limited to,
loss of data or information, loss of profits, or loss of
use). ADTRAN is not liable for damages for any cause
whatsoever (whether based in contract, tort, or otherwise) in excess of the amount paid for the item. Some
states do not allow the limitation or exclusion of liability for incidental or consequential damages, so the above
limitation or exclusion may not apply to Customer.
8. REGULATORY REQUIREMENTS
Affidavit Requirements for Connection to Digital
Services

RMA # _____________
7. LIMITED PRODUCT WARRANTY
ADTRAN warrants that for ten years from the date of
shipment to Customer, all products manufactured by
ADTRAN will be free from defects in materials and
workmanship. ADTRAN also warrants that products
will conform to the applicable specifications and drawings for such products, as contained in the Product
Manual or in ADTRAN's internal specifications and
drawings for such products (which may or may not be
reflected in the Product Manual). This warranty only
applies if Customer gives ADTRAN written notice of
defects during the warranty period. Upon such notice,
ADTRAN will, at its option, either repair or replace the
defective item. If ADTRAN is unable, in a reasonable
time, to repair or replace any equipment to a condition as
warranted, Customer is entitled to a full refund of the pur-

61200376L1-5B

chase price upon return of the equipment to ADTRAN.
This warranty applies only to the original purchaser and
is not transferable without ADTRAN's express written
permission. This warranty becomes null and void if Customer modifies or alters the equipment in any way, other
than as specifically authorized by ADTRAN.

• An affidavit is required to be given to the telephone
company whenever digital terminal equipment without encoded analog content and billing protection is
used to transmit digital signals containing encoded
analog content which are intended for eventual conversion into voiceband analog signals and transmitted on the network.
• The affidavit shall affirm that either no encoded analog content or billing information is being transmitted
or that the output of the device meets Part 68 encoded
analog content or billing protection specifications.
• End user/customer will be responsible for filing an
affidavit with the local exchange carrier when connecting unprotected customer premise equipment
(CPE) to 1.544 Mbps or subrate digital services.
• Until such time as subrate digital terminal equipment
is registered for voice applications, the affidavit requirement for subrate services is waived.

Issue 2, June 2000

Affidavit for Connection of Customer Premises
Equipment to 1.544 Mbps and/or Subrate Digital
Services
For the work to be performed in the certified territory of
________________________(telco name)
State of ________________
County of ________________
I, _____________________________ (name),
__________________________________(business address),
____________________ (telephone number) being duly
sworn, state:
I have responsibility for the operation and maintenance
of the terminal equipment to be connected to 1.544
Mbps and/or ________ subrate digital services. The terminal equipment to be connected complies with Part 68
of the FCC rules except for the encoded analog content
and billing protection specifications. With respect to encoded analog content and billing protection:
( ) I attest that all operations associated with the
establishment, maintenance, and adjustment of the
digital CPE with respect to analog content and
encoded billing protection information continuously complies with Part 68 of the FCC Rules and
Regulations.
( ) The digital CPE does not transmit digital signals
containing encoded analog content or billing information which is intended to be decoded within the
telecommunications network.
( ) The encoded analog content and billing protection is
factory set and is not under the control of the customer.
I attest that the operator(s)/maintainer(s) of the digital
CPE responsible for the establishment, maintenance,
and adjustment of the encoded analog content and billing information has (have) been trained to perform
these functions by successfully having completed one
of the following (check appropriate blocks):
( ) A. A training course provided by the manufacturer/grantee of the equipment used to encode
analog signals; or
( ) B. A training course provided by the customer or
authorized representative, using training
materials and instructions provided by the
manufacturer/grantee of the equipment used
to encode analog signals; or
( ) C. An independent training course (e.g., trade
school or technical institution) recognized by
the manufacturer/grantee of the equipment
used to encode analog signals; or

( ) D. In lieu of the preceding training requirements,
the operator(s)/maintainer(s) is (are) under the
control of a supervisor trained in accordance
with _________ (circle one) above.
I agree to provide ______________________ (telco’s
name) with proper documentation to demonstrate compliance with the information as provided in the preceding paragraph, if so requested.
_________________________________Signature
_________________________________Title
_________________________________ Date
Transcribed and sworn to before me
This ________ day of ________, ________
_________________________________
Notary Public
My commission expires:
_________________________________

FCC regulations require that the following
information be provided in this manual to the
customer:
1. This equipment complies with Part 68 of the FCC
rules. The required label is affixed to the bottom of
the chassis.
2. An FCC-compliant telephone cord and modular plug
is provided with this equipment. This equipment is
designed to be connected to the telephone network
or premises wiring using a compatible modular jack
which is Part 68-compliant. See Chapter 2, Installation, for details.
3. If your telephone equipment (TA 850) causes harm to
the telephone network, the telephone company may
discontinue your service temporarily. If possible,
they will notify you in advance. But if advance notice
isn’t practical, you will be notified as soon as possible. You will be advised of your right to file a complaint with the FCC.
4. Your telephone company may make changes in its
facilities, equipment, operations, or procedures that
could affect the proper operation of your equipment.
If they do, you will be given advance notice to give
you an opportunity to maintain uninterrupted service.
5. If you experience trouble with this equipment (TA 850),
please contact ADTRAN at (256) 963-8000 for repair/
warranty information. The telephone company may
ask you to disconnect this equipment from the network
until the problem has been corrected or until you are
sure the equipment is not malfunctioning.
6. This unit contains no user-serviceable parts.

Issue 2, June 2000

61200376L1-5B

7. The following information may be required when
applying to your local telephone company for leased
line facilities.
For a T1 Port:
Service Type

REN/
SOC

FIC

USOC

1.544 Mbps - SF

6.0N

04DU9-BN

RJ-48C

1.544 Mbps - SF and
B8ZS

6.0N

04DU9-DN

RJ-48C

1.544 Mbps - ESF

6.0N

04DU9-1KN

RJ-48C

1.544 Mbps - ESF
and B8ZS

6.0N

04DU9-1SN

RJ-48C

ISDN

6.0N

04DU9-ISN

RJ-48C

For an FT1 Port:
Service Type

REN/
SOC

FIC

1.544 Mbps - SF

6.0N

04DU9-BN

1.544 Mbps - SF and B8ZS

6.0N

04DU9-DN

1.544 Mbps - ESF

6.0N

04DU9-1KN

1.544 Mbps - ESF and B8ZS

6.0N

04DU9-1SN

ISDN

6.0N

04DU9-ISN

NOTE
When connecting FT1 port towards the network, a
suitable crossover cable is required.
This equipment has been tested and found to comply
with the limits for a Class A digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can
radiate radio frequency energy and, if not installed and
used in accordance with the instruction manual, may
cause harmful interference to radio frequencies. Operation of this equipment in a residential area is likely to
cause harmful interference in which case the user will
be required to correct the interference at his own expense.

61200376L1-5B

Shielded cables must be used with this unit to ensure
compliance with Class A FCC limits.
WARNING
Change or modifications to this unit not expressly
approved by the party responsible for compliance
could void the user’s authority to operate the
equipment.

Canadian Equipment Limitations

NOTE
The Industry Canada Certification label identifies
certified equipment. This certification means that
the equipment meets certain telecommunications
network protective, operational, and safety
requirements. The Department of Commerce does
not guarantee the equipment will operate to the
user's satisfaction.
Before installing this equipment, users should ensure
that it is permissible to be connected to the facilities of
the local telecommunications company. The equipment
must also be installed using an acceptable method of
connection. In some cases, the company's inside wiring
associated with a single line individual service may be
extended by means of a certified connector assembly
(telephone extension cord). The customer should be
aware that compliance with the above conditions may
not prevent degradation of service in some situations.
Repairs to certified equipment should be made by an
authorized Canadian maintenance facility designated
by the supplier. Any repairs or alterations made by the
user to this equipment, or equipment malfunctions,
may give the telecommunications company cause to request the user to disconnect the equipment.
Users should ensure for their own protection that the
electrical ground connections of the power utility, telephone lines and internal metallic waterpipe system, if
present, are connected together. This precaution may be
particularly important in rural areas.
CAUTION
Users should not attempt to make such connections
themselves, but should contact the appropriate
electric inspection authority, or an electrician, as
appropriate.

Issue 2, June 2000

The Load Number (LN) assigned to each terminal device denotes the percentage of the total load to be connected to a telephone loop which is used by the device,
to prevent overloading. The termination on a loop may
consist of any combination of devices subject only to the
equipment that the total of the LNs of all devices does
not exceed 100.

Canadian Class A Products
This Class A digital apparatus complies with Canadian
ICES-003.
Cet appareil numérique de la classe A est conforme á la
norme NMB-003 du Canada.

The ringer equivalence number (REN) assigned to each
terminal adapter is used to determine the total number
of devices that may be connected to each circuit. The
sum of the RENs from all devices in the circuit should
not exceed a total of 5.0.
Table 4. Specifications and Part Numbers
Environmental
Operating Temperature

-40 to 70 oC (-40 to 158 oF)

Storage Temperature

-30 to 70 oC (-22 to 158 oF)

Relative Humidity

95% maximum, noncondensing
Physical

Dimensions

8 3/4” W x 3 5/8” H x 11” D

Weight (fully loaded)

8 pounds

Weight (empty)

5 pounds
TA 850 Relevant Part Numbers

TA 850 Chassis

1200375L1

RCU

1200376L1, User Manual 61200376L1-1A

PSU

1175006L1

Quad FXS

1175408L1, User Manual 61175408L1-1A

Quad FXO

1175407L1, User Manual 61175407L1-1A

AC Power Supply/Battery Charger

1175043L1/L2

Backup Battery Pack

1175044L1/L2

Single Unit 19” Rack Mount Brackets

1175045L1

Single Unit 23” Rack Mount Brackets

1175046L1

System Configuration Part Numbers

TA 850 DC Chassis Bundle

4200376L1

TA 850 AC Chassis Bundle

4200376L1#AC

TA 850 DC Chassis Bundle + 12 FXS

4200376L2

TA 850 AC Chassis Bundle + 12 FXS

4200376L2#AC

TA 850 DC Chassis Bundle + 16 FXS

4200376L3

TA 850 AC Chassis Bundle + 16 FXS

4200376L3#AC

Issue 2, June 2000

61200376L1-5B

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Adtran Recording Equipment 850 Users Manual

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