Paradyne 3151 Technical manual

3100-A2-GK40-40 July 2000 1
ACCULINK®3151 CSU and 3161 DSU/CSU
General Information Guide
Document Number 3100-A2-GK40-40
July 2000
Introduction
This guide contains general information about the ACCULINK®3151 Channel
Service Unit (CSU) and the 3161 Data Service Unit/Channel Service Unit
(DSU/CSU). It is designed to be used in conjunction with the
COMSPHERE 3000
Series Carrier Installation Manual
and the
ACCULINK CSU, Models 3150-A4 and
3151, Operator's Guide
or the
ACCULINK DSU/CSU, Models 3160-A4, 3161,
3164-A2, and 3165-A4, Operator's Guide.
The Model 3151 CSU and the Model 3161 DSU/CSU are designed to fit into the
COMSPHERE 3000 Series Carrier.
Product Documentation Online
Complete documentation for this product is available at www.paradyne.com.
Select
Library
→
Technical Manuals
→
T1/E1 Digital Access Devices.
Select the following documents:
Document No. 3000-A2-GA31
COMSPHERE 3000 Series Carrier Installation Manual
Document No. 3150-A2-GB24
ACCULINK CSU, Models 3150-A4 and 3151, Operator's Guide
Document No. 3160-A2-GB24
ACCULINK DSU/CSU, Models 3160-A4, 3161, 3164-A2, and 3165-A4,
Operator's Guide
To request a paper copy of a Paradyne document:

Within the U.S.A., call 1-800-PARADYNE (1-800-727-2396)

Outside the U.S.A., call 1-727-53-8623

2July 2000 3100-A2-GK40-40
CSU or DSU/CSU Circuit Card
The front panel of the CSU or DSU/CSU contains twelve light-emitting diodes
(LEDs) and six test jacks.
00-14949-01
MODEL
3151 CSU
MODEL
3161
DSU/CSU
OK
Fail
Test
Sig
OOF
Alrm
EER
Sig
OOF
Alrm
PDB
BPV
Select
Net
DTR
TXD
RXD
CTS
RTS
DSU/CSU
3161
OK
Fail
Test
Sig
OOF
Alrm
EER
Sig
OOF
Alrm
PDB
BPV
Select
Net
DTE
CSU
3151
Net
In
Out
In
Out
In
Out
M
on
Eqp
Net
In
Out
In
Out
In
Out
M
on
Eqp

3100-A2-GK40-40 July 2000 3
For information about the CSU or DSU/CSU front panel LEDs, refer to Chapter 3 in
the associated operator’s guide
.
For information about the CSU or DSU/CSU front panel test jacks, refer to
Chapter 8 in the associated operator’s guide
.
Auxiliary Backplane
Verify that the Auxiliary Backplane package includes the following parts:

One Auxiliary Backplane

Two custom hexagonal standoffs

Two No. 6 nylon insulating washers

Two No. 5 nuts

Four No. 4-40 x 1" screws

Two No. 4-40 x 3/4"screws

One No. 4-40 x 3/8"screw

One T1 network cable retainer
The Auxiliary Backplane is an 8-slot
backplane that fits over half the open
section of the 3000 Series Carrier. It
is a passive assembly that provides
interconnect capability for the CSUs
or DSU/CSUs.
For more information about the
Auxiliary Backplane and the 3000
Series Carrier, refer to the
COMSPHERE 3000 Series Carrier
Installation Manual
.
493-14387

4July 2000 3100-A2-GK40-40
Interface Connections
The Auxiliary Backplane provides the connectors for interface cables.

For information about Auxiliary Backplane connectors, refer to the
COMSPHERE 3000 Series Carrier Installation Manual
.

The ACCULINK Model 3151 CSU and Model 3161 DSU/CSU are shipped
without cables.

For information about cables, refer to the
COMSPHERE 3000 Series Carrier
Installation Manual
.
PORT
1
PORT
1PORT 1
PORT
1PORT 1
PORT
1PORT
1
PORT
1
CLOCK IN
DIAGNOSTIC
CHAN
PORT
2
PORT
2PORT 2
PORT
2PORT
2
PORT
2PORT 2
PORT
2
DTE DTE DTE DTE DTE DTE DTE DTE
SLT 8 (16) SLOT 6 (14)
SLOT 7 (15) SLOT 5 (13) SLOT 4 (12) SLOT 3 (11) SLOT 2 (10) SLOT 1 (9)
T1 NETWORK
INTERFACE
DIAGNOSTIC
CHAN
CAUTION:DISCONNECT ALLTELEPHONE LINES ATTHE NETWORK
INTERFACE BEFORETOUCHING OR SERVICING
496-14364-01
T1 Network
Interface
Connector
Top Row of
Screw Holes
Center Row of
Screw Holes
Bottom Row of
Screw Holes

3100-A2-GK40-40 July 2000 5
Installing the Circuit Card in a Carrier
Read and follow all warning notices and instructions marked on the device or
included in this guide. See the
Important Safety Instructions
on page 12.
HANDLING PRECAUTIONS FOR
STATIC-SENSITIVE DEVICES
This product is designed to protect sensitive components from damage
due to electrostatic discharge (ESD) during normal operation. When
performing installation procedures, however, take proper static control
precautions to prevent damage to equipment. If you are not sure of the
proper static control precautions, contact your nearest sales or service
representative.
To install a CSU or DSU/CSU circuit card in the 3000 Series Carrier, you must
first install an Auxiliary Backplane. For information about installing the
Auxiliary Backplane, refer to the
COMSPHERE 3000 Series Carrier
Installation Manual
.
Procedure
To install the circuit card:
1. Use a Phillips screwdriver to loosen the screw holding the circuit pack lock and
rotate the lock to the open position. Open the latch.
!
CIRCUIT
CARD
GUIDE
CIRCUIT
PACK
LOCK CIRCUIT
CARD
GUIDE
LATCH
OPEN
CLOSED
491-11985a-02

6July 2000 3100-A2-GK40-40
2. Hold the circuit card vertically at the front of the carrier, with the faceplate latch
in the open position.
3. Insert the card into the top and bottom card guides of one of the slots
numbered 1–16.
4. Slide the card into the slot. The ejector latch lifts up as it engages the metal
flange.
5. Press the latch up until it clicks into the locked position to secure the circuit
card in the carrier.
6. Rotate the circuit pack lock back into the closed position and tighten the screw.
COMSPHERE 3000
COMSPHERE®
3000 SERIES
CARRIER
CIRCUIT
CARDS
LATCH
CIRCUIT CARD
GUIDES
496-14389-01

3100-A2-GK40-40 July 2000 7
Power-On Self-Test
After you install the CSU or DSU/CSU in the carrier and connect the carrier to a
power outlet, the CSU or DSU/CSU performs a power-on self-test to ensure that
the unit is in good working order. For information about the power-on self-test,
refer to the associated operator’s guide
.
To display the pass/fail status of the power-on test, use the procedure described in
Selecting a CSU or DSU/CSU
, and use the Self-Test Health command described
in the associated operator’s guide.
If the LEDs on the circuit card do not light during the self-test, there may be a
failure in the circuit card or in the carrier’s power supply. Install the circuit card in
another working carrier. If it works, or if a second circuit card in another slot in the
same carrier also does not light, check that the power cable is properly attached
and that the outlet is active. Refer to the
COMSPHERE 3000 Series Carrier
Installation Manual
.
Shared Diagnostic Control Panel
Use the LCD and keypad on the carrier’s Shared Diagnostic Control Panel (SDCP)
to select and access individual CSUs or DSU/CSUs within a carrier.
The SDCP includes one LCD, five LEDs, and eight function keys.
The LCD shows messages and menu tree choices. Messages include alarms,
command/test completion, and action in progress.
The OK, Alrm, and Test LEDs reflect the state of the selected CSU or DSU/CSU.
The Bckup and EC LEDs are not used for the 3100 Series products.
The 7-button keypad surrounding the LCD enables you to navigate through the
menu tree and select choices presented on the second line of the LCD. The eighth
key (Select) selects a unit, by slot address, to access through the SDCP. When
you select a particular CSU or DSU/CSU, the OK LED on that unit’s front panel
flashes on and off repetitively.
For more information about the SDCP, refer to the
COMSPHERE 3000 Series
Carrier Installation Manual.
Select
SDU12345678910111213141516
COMSPHERE 3000
Select
Key Status
Indicators
Carrier Slots 1–16
F1 F2 F3
OK Alar
mBckUp Test EC
Keypad LCD
Display
496-12348a-03

8July 2000 3100-A2-GK40-40
Selecting a CSU or DSU/CSU
Procedure
To select a specific circuit card installed in the 3000 Series Carrier, perform the
following steps:
1. Press Select on the SDCP.
2. Enter a valid carrier and slot address. The green OK indicator on the selected
circuit card should flash. (It should be the only OK indicator flashing in the
cabinet.)
3. Press Select again. The display on the SDCP should show the last menu item
displayed, or in the case of a new installation, the top-level menu on the
selected circuit card.
Using the Communication Port on the Carrier
For specific information about enabling the COM port for carrier-mounted devices,
refer to Chapter 4 in the associated operator’s guide
.
NOTE:
If a Model 3161 DSU/CSU has the COM port enabled, Port 2 cannot be used
as a data port.
Technical Specifications
The technical specifications for the Auxiliary Backplane are listed in Table 1. The
technical specifications for the 3151 CSU are listed in Table 2. The technical
specifications for the 3161 DSU/CSU are listed in Table 3. The fan module cooling
requirements for the 3000 Series Carrier are provided in the
COMSPHERE 3000
Series Carrier Installation Manual
.
Table 1. Auxiliary Backplane Technical Specifications
Specifications Criteria
PHYSICAL DIMENSIONS
Height
Width
Depth
9.0 inches (22.9 cm)
8.0 inches (20.3 cm)
1.3 inches (3.3 cm)
WEIGHT 2.4 pounds (1.1 kg)

3100-A2-GK40-40 July 2000 9
Table 2. ACCULINK Model 3151 CSU Technical Specifications
Specifications Criteria
POWER REQUIREMENTS
Sixteen 3151 CSUs with SDU, SDCP,
and fan module:
115 Vac power supply
–48 Vdc power supply
90 to 132 Vac, 60 Hz ±3
(1.01 amps, 89.8 watts at 115 Vac)
–60 to –40 Vdc
(1.82 amps, 87.8 watts at –48Vdc)
POWER CONSUMPTION 3.1 watts per circuit card
DTE INTERFACE
Physical Interface
Framing Format
Coding Format
DTE Line Equalization
Send AIS
DB15S
D4, ESF
AMI, B8ZS
5 selectable ranges from 0 to 655 feet (0 to
196.5 meters
Selectable
NETWORK INTERFACE
Physical Interface
USA
Canada
Framing Format
Coding Format
Line Build-Out (LBO)
ANSI PRM
Bit Stuffing
Keep Alive to Network
Yellow Alarm Transcoding
RJ48H (T1), RJ48C with adapter cable
CA81A (T1 with adapter cable)
D4, ESF
AMI, B8ZS
0.0 dB, –7.5 dB,–15 dB, –22.5 dB
Selectable
AT&T TR 62411
AIS, Framed All Ones, Network Signal Looped
Selectable
LOOPBACKS
Standard
Additional AT&T TR 54016, AT&T TR 62411, ANSI T1.403.1989
LLB (Line Loopback), PLB (Payload Loopback),
RLB (Repeater Loopback)
APPROVALS Refer to the product labeling
PHYSICAL DIMENSIONS
Height
Width
Depth
7.1 inches (18.0 cm)
1.0 inches (2.5 cm)
14.2 inches (36.1 cm)
WEIGHT 0.84 pounds (.38 kg)
ENVIRONMENT
Operating Temperature
Storage Temperature
Relative Humidity
Shock and Vibration
32°to 122°F (0°to 50°C)
–4°to 158°F (–20°to 70°C)
5%—95% (noncondensing)
Withstands normal shipping and handling

10 July 2000 3100-A2-GK40-40
Table 3. ACCULINK Model 3161 DSU/CSU Technical Specifications
Specifications Criteria
POWER REQUIREMENTS
Sixteen 3161 DSU/CSUs with SDU,
SDCP, and fan module:
115 Vac power supply
–48 Vdc power supply
90 to 132 Vac, 60 Hz ±3
(1.17 amp, 104 watts at 115 Vac)
–60 to –40 Vdc
(2.15 amps, 103 watts at –48 Vdc)
POWER CONSUMPTION 4.0 watts per circuit card
DTE (DSX-1) INTERFACE
Physical Interface
Framing Format
Coding Format
DTE Line Equalization
Send AIS
DB15S
D4, ESF
AMI, B8ZS
5 selectable ranges from 0 to 655 feet (0 to
196.5 meters)
Selectable
NETWORK T1 INTERFACE
Physical Interface (USA)
Physical Interface (Canada)
Framing Format
Coding Format
Line Build-Out (LBO)
ANSI PRM
Bit Stuffing
Yellow Alarm Generation
RJ48H, RJ48C with adapter cable
CA81A (T1 with adapter cable)
D4, ESF
AMI, B8ZS
0.0 dB, –7.5 dB, –15 dB, –22.5 dB
Selectable
AT&T TR 62411
Selectable
LOOPBACKS
Standard
Additional AT&T TR 54016, AT&T TR 62411, ANSI T1.403.1989
RLB (Repeater Loopback), DLB (DTE
Loopback), V.54 Loop 2 and
Loop 3, ANSI T1.403 Annex B Fractional T1
Loopback
PORT INTERFACE
Standards
Rates EIA-530A, V.35, RS-449, V.11 Nx64 –64-1.536 Mb
Nx56 –56-1.344 Mb
CLOCKING SOURCES T1 network interface, Port 1, internal clock, DTE
Drop/Insert (DSX-1) interface, or external clock
APPROVALS Refer to the product labeling
PHYSICAL DIMENSIONS
Height
Width
Depth
7.1 inches (18.0 cm)
1.0 inches (2.5 cm)
14.2 inches (36.1 cm)
WEIGHT 0.86 pounds (.39 kg)
ENVIRONMENT
Operating Temperature
Storage Temperature
Relative Humidity Shock and
Vibration
32°F to 122°F (0°C to 50°C)
–4°F to 158°F (–20°C to 70°C)
5%—95% (noncondensing)
Withstands normal shipping and handling

3100-A2-GK40-40 July 2000 11
Equipment List
NOTE:
Cable descriptions for the 3151 CSU and the 3161 DSU/CSU are located in
the
COMSPHERE 3000 Series Carrier Installation Manual
.
Equipment Feature Number
Model 3151 CSU 3151-B4-010
Model 3161 DSU/CSU 3161-B4-010
Auxiliary Backplane 3100-F1-900
T1 Network Interface Adapter, 50-pin socket to eight 8-pin
modular plugs (RJ48H –RJ48C) 3100-F1-930
Diagnostic Channel Extension, D8W 8-pin modular plug to
8-pin modular plug 3100-F1-910
COM port adapter, DB25 plug to 8-pin modular jack 3100-F1-920
COM port to terminal adapter cable, DB25 plug to 8-pin
modular plug 3100-F1-540
COM port to PC adapter cable, DB9 socket to 8-pin modular
plug 3100-F1-550
EIA-530-A-to-RS-449/422 Cable 3100-F1-580
EIA-530-A-to-V.35 Cable 3100-F1-570
EIA-530-A-to-X.21 Cable 3100-F1-571
T1 Network Interface Adapter, 50-pin socket to eight 8-pin
modular sockets (RJ45) (Harmonica Block Adapter) 3100-F1-940
Crossover cable, 8-pin modular plug to DB15 plug 3100-F1-590
T1 Network Interface Adapter, 50-pin socket to eight DB15
plug (Canada) 3100-F1-950

12 July 2000 3100-A2-GK40-40
Important Safety Instructions
1. Read and follow all warning notices and instructions marked on the product or
included in the manual.
2. When an ac power source is used, this product is intended to be used with a
3-wire grounding type plug –a plug which has a grounding pin. This is a safety
feature. Equipment grounding is vital to ensure safe operation. Do not defeat
the purpose of the grounding type plug by modifying the plug or using an
adapter.
3. Prior to installation, use an outlet tester or a voltmeter to check the ac
receptacle for the presence of earth ground. If the receptacle is not properly
grounded, the installation must not continue until a qualified electrician has
corrected the problem.
4. If a 3-wire grounding type power source is not available, consult a qualified
electrician to determine another method of grounding the equipment.
5. Slots and openings in the cabinet are provided for ventilation. To ensure
reliable operation of the product and to protect it from overheating, these slots
and openings must not be blocked or covered.
6. Do not allow anything to rest on the power cord and do not locate the product
where persons will walk on the power cord.
7. Do not attempt to service this product yourself, as opening or removing covers
may expose you to dangerous high voltage points or other risks. Refer all
servicing to qualified service personnel.
8. General purpose cables may be provided with this product. Special cables,
which may be required by the regulatory inspection authority for the
installation site, are the responsibility of the customer.
9. When installed in the final configuration, the product must comply with the
applicable Safety Standards and regulatory requirements of the country in
which it is installed. If necessary, consult with the appropriate regulatory
agencies and inspection authorities to ensure compliance.
10. A rare phenomenon can create a voltage potential between the earth grounds
of two or more buildings. If products installed in separate buildings are
interconnected, the voltage potential may cause a hazardous condition.
Consult a qualified electrical consultant to determine whether or not this
phenomenon exists and, if necessary, implement corrective action prior to
interconnecting the products.
11. This product contains a coin cell lithium battery that is only to be replaced at
the factory. Caution: There is a danger of explosion if the battery is incorrectly
replaced. Replace only with the same type. Dispose of used batteries
according to the battery manufacturer’s instructions. Attention: Il y a danger
d’explosion s’il y a remplacement incorrect de la batterie. Remplacer
uniquement avec une batterie du même type. Mettre au rebut les batteries
usagées conformément aux instructions du fabricant.
!

3100-A2-GK40-40 July 2000 13
12. In addition, if the equipment is to be used with telecommunications circuits,
take the following precautions:
—Never install telephone wiring during a lightning storm.
—Never install telephonejacks in wet locations unless the jack is specifically
designed for wet locations.
—Never touch uninsulated telephone wires or terminals unless the
telephone line has been disconnected at the network interface.
—Use caution when installing or modifying telephone lines.
—Avoid using a telephone (other than a cordless type) during an electrical
storm. There may be a remote risk of electric shock from lightning.
—Do not use the telephone to report a gas leak in the vicinity of the leak.
Notices
UNITED STATES – EMI NOTICE:
!
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
communications. 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.
The authority to operate this equipment is conditioned by the
requirements that no modifications will be made to the equipment
unless the changes or modifications are expressly approved by
Paradyne Corporation.
CANADA – EMI NOTICE:
!
This Class A digital apparatus meets all requirements of the Canadian
interference-causing equipment regulations.
Cet appareil numérique de la classe A respecte toutes les exigences du
règlement sur le matérial brouilleur du Canada.

14 July 2000 3100-A2-GK40-40
Government Requirements and Equipment Return
Certain governments require that instructions pertaining to CSU and DSU/CSU
connection to the telephone network be included in the installation and operation
manual. Specific instructions are listed in the following sections.
Notice to Users of the United States Telephone Network
1. This equipment complies with Part 68 of the FCC rules. On the equipment is a
label that contains, among other information, the FCC registration number for
this equipment. The label is located on the CSU or DSU/CSU circuit card
assembly. If requested, this information must be provided to the telephone
company.
2. There is one type of telephone line associated with this equipment. The T1
network connection should be made using a Universal Service Order Code
(USOC) type RJ48H jack. The Service Order Code 6.0F should be specified to
the telephone company when ordering the T1 line. In addition, the proper
Facility Interface Code must be specified to the telephone company. The CSU
or DSU/CSU can be configured to support any of the following framing format
and line signaling techniques. The CSU or DSU/CSU configuration must
correspond to the T1 line’s parameters.
3. If the CSU or DSU/CSU causes harm to the telephone network, the telephone
company will notify you in advance that temporary discontinuance of service
may be required. But if advance notice is not practical, the telephone company
will notify the customer as soon as possible. Also, you will be advised of your
right to file a complaint with the FCC if you believe it is necessary.
4. The telephone company may make changes in its facilities, equipment,
operations, or procedures that could affect the operation of the equipment. If
this happens, the telephone company will provide advance notice in order for
you to make the necessary modifications in order to maintain uninterrupted
service.
5. If you experience trouble with this equipment, please contact your sales or
service representative (as appropriate) for repair or warranty information. If the
product needs to be returned to the company service center for repair, contact
them directly as described in
Warranty, Sales, Service, and Training
Information
on page 16.
CSU and DSU/CSU Facility Interface Codes
Code Description
04DU9-BN 1.544 Mbps superframe format (SF) without line power
04DU9-DN 1.544 Mbps SF and B8ZS without line power
04DU9-1KN 1.544 Mbps ANSI ESF without line power
04DU-1SN 1.544 Mbps ANSI ESF and B8ZS without line power

3100-A2-GK40-40 July 2000 15
Notice to Users of the Canadian Telephone Network
The Industry Canada label identifies certified equipment. This certification means
that the equipment meets telecommunications network protective, operational and
safety requirements as prescribed in the appropriate Terminal Equipment
Technical Requirements document(s). The Department 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. 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 coordinated by a representative
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 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 water pipe 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
electrician, as appropriate.
The Ringer Equivalence Number (REN) assigned to each terminal device provides
an indication of the maximum number of terminals allowed to be connected to a
telephone interface. The termination on an interface may consist of any
combination of devices subject only to the requirement that the sum of the Ringer
Equivalence Numbers of all the devices does not exceed 5.
If your equipment is in need of repair, refer to
Warranty, Sales, Service, and
Training Information
on page 16.

16 July 2000 3100-A2-GK40-40
Warranty, Sales, Service, and Training Information
Contact your local sales representative, service representative, or distributor
directly for any help needed. For additional information concerning warranty, sales,
service, repair, installation, documentation, training, distributor locations, or
Paradyne worldwide office locations, use one of the following methods:

Internet: Visit the Paradyne World Wide Web site at www.paradyne.com.
(Be sure to register your warranty at www.paradyne.com/warranty.)

Telephone: Call our automated system to receive current information by fax or
to speak with a company representative.
—Within the U.S.A., call 1-800-870-2221
—Outside the U.S.A., call 1-727-530-2340
Document Feedback
We welcome your comments and suggestions about this document. Please mail
them to Technical Publications, Paradyne Corporation, 8545 126th Ave. N., Largo,
FL 33773, or send e-mail to userdo[email protected]. Include the number and
title of this document in your correspondence. Please include your name and
phone number if you are willing to provide additional information.
Trademarks
ACCULINK is a registered trademark of Paradyne Corporation. All other products
and services mentioned herein are the trademarks, service marks, registered
trademarks, or registered service marks of their respective owners.

*3100-A2-GK40-40*
Copyright ©2000 Paradyne Corporation. Printed in U.S.A.