Paradyne Comsphere 3510 User manual
COMSPHERE
3500 SERIES
DATA SERVICE UNITS
MODELS 3510 AND 3511
USER’S GUIDE
Document No. 3510-A2-GN32-70
July 1999
COMSPHERE 3500 Series Data Service Units
AJuly 1999 3510-A2-GN32-70
COMSPHERE
3500 Series Data Service Units
Models 3510 and 3511
User’s Guide
3510-A2-GN32-70
8th Edition (July 1999)
Changes and enhancements to the product and to the information herein will be documented and issued as a new release.
FCC Registration number: AW2USA-61422-DD-N
Bell Canada — Meets Bell Canada Metallic Specs
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 there. Select
Technical Support →Warranty Registration.)
•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
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Safety Instructions
B3510-A2-GN32-70 July 1999
!Important Safety Instructions
1. Read and follow all warning notices and instructions marked on the product or
included in the manual.
2. 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 adaptor.
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.
If a 3-wire grounding type power source is not available, consult a qualified
electrician to determine another method of grounding the equipment.
3. 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.
4. Do not allow anything to rest on the power cord and do not locate the product where
persons will walk on the power cord.
5. 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.
6. General purpose cables are 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.
7. 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.
8. 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.
9. 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 telephone jacks 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.
COMSPHERE 3500 Series Data Service Units
CJuly 1999 3510-A2-GN32-70
Notices
! ! ! ! !
!
! !!
Safety Instructions
D3510-A2-GN32-70 July 1999
Government Requirements
The Federal Communications Commission (FCC) requires that instructions pertaining to
connection to the telephone network be included in the installation and operation manual. Specific
instructions are listed in this section.
Notice to Users of the Digital Data Service
This equipment complies with Part 68 of the FCC rules. On the bottom of the equipment is a label
that contains, among other information, the FCC registration number for this equipment. If
requested, please provide this information to your telephone company.
If your DSU 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 is not
practical, you will be notified as soon as possible. You will be advised of your right to file a
complaint with the FCC.
Your telephone company may make changes in its facilities, equipment, operations, or procedures
that could affect the proper operation of your equipment. If so, you will be given advance notice so
as to give you an opportunity to maintain uninterrupted service.
No repairs may be performed by the user. Should you experience difficulty with this equipment,
refer to the Equipment Warranty and Support section of Chapter 1.
For Digital Data Service (DDS) installations, inform the local telephone company of the
appropriate network channel interface code for the service you desire.
DDS
Interface
Code Data Rate
(bps)
04DU5-24 2400
04DU5-48 4800
04DU5-96 9600
04DU5-19 19,200
04DU5-56 56,000
04DU5-64 64,000
The DDS Service Order Number is 6.0Y. The jack configurations required are RJ48S for the
Model 3510 DSU and RJ48T for the Model 3511. With an RJ48T configuration, you must specify
the number of data lines you require (1 through 8).
After the telephone company has installed the requested jack, you can connect the DSU with the
appropriate cable (provided). 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 that is Part 68 compliant.
COMSPHERE 3500 Series Data Service Units
EJuly 1999 3510-A2-GN32-70
i3510-A2-GN32-70 July 1999
Table of Contents
Preface
Objectives And Reader Assumptions v. . . . . . . . . . . . . . . . . . . . . . . . . .
Contents Summary v. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Related Documents v. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reference Documents v. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1. Introduction
Overview 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Features 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Specifications 1-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Equipment Warranty and Support 1-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2. Principles of Operation
Network Configurations 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DSU Compatibility 2-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2600 Series Compatibility 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Local Area Data Set (LADS) Operation 2-4. . . . . . . . . . . . . . . . . . . . . . . .
3. Operation
Overview 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model 3510 Faceplate 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model 3511 Faceplate 3-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Faceplate Operation 3-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diagnostic Tests 3-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 3-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2600 Series DSU Emulation 3-18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3500 Series Data Service Units
ii July 1999 3510-A2-GN32-70
4. Installation
Overview 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation Planning 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Important Safety Instructions 4-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation Procedures 4-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Local Area Data Set (LADS) Operation 4-11. . . . . . . . . . . . . . . . . . . . . . . .
Hardware Strapping 4-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DSU Strap Setting Descriptions 4-24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Alarm Output Installation 4-26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendices
A. Connector Pins A-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B. Timing During Testing B-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C. Equipment List C-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Glossary
Index
Table of Contents
iii3510-A2-GN32-70 July 1999
List of Figures
Figure Page
1-1 Model 3510 DSU 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2 Model 3511 DSU and Rear Connector Plates 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1 Example Point-to-Point and Multipoint Networks 2-2. . . . . . . . . . . . . . . . . . . . . . . . . .
2-2 Multipoint DATAPHONE II 2600 DSU Network 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . .
2-3 Local Area Data Set Connectivity 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-1 Model 3510 Faceplate 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-2 Model 3511 Faceplate 3-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-3 Device Test Diagram 3-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4 Digital Test (Point-to-Point) Diagram 3-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5 Digital Test (Multipoint) Diagram 3-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-6 Local Loopback – DTE Test Message Test Diagram 3-12. . . . . . . . . . . . . . . . . . . . . . . .
3-7 Channel Loopback Diagram 3-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-8 Out-of-Service Condition Troubleshooting Flowchart 3-15. . . . . . . . . . . . . . . . . . . . . . .
3-9 No Signal Condition Troubleshooting Flowchart 3-16. . . . . . . . . . . . . . . . . . . . . . . . . . .
3-10 Streaming Terminal Condition Troubleshooting Flowchart 3-17. . . . . . . . . . . . . . . . . . .
4-1 Model 3510 DSU, Rear Panel 4-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-2 Front View of the COMSPHERE 3000 Series Carrier 4-6. . . . . . . . . . . . . . . . . . . . . . .
4-3 Rear View of the COMSPHERE 3000 Series Carrier 4-7. . . . . . . . . . . . . . . . . . . . . . .
4-4 Model 3511 DSU Installation and Circuit Pack Lock 4-8. . . . . . . . . . . . . . . . . . . . . . . .
4-5 Model 3511 DSU V.35 Adapter Plug Installation (Feature Number 3000-F1-510) 4-9.
4-6 Model 3510 DSU Strap Access 4-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-7 Model 3511 DSU CCA Strap and Fuse Locations 4-13. . . . . . . . . . . . . . . . . . . . . . . . . .
4-8 DSU Strap Default Settings 4-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-9 Data Rate (Speed) Selection (Switch S2) for Model 3510 and Model 3511 DSUs 4-15. .
4-10 Timing Signal Source Selection (Switch S1) 4-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-11 S1 Default Settings, Model 3510 and Model 3511 DSUs 4-16. . . . . . . . . . . . . . . . . . . . .
4-12 S2 Default Settings, Model 3510 and Model 3511 4-17. . . . . . . . . . . . . . . . . . . . . . . . . .
4-13 S3 Default Settings, Model 3510 and Model 3511 4-17. . . . . . . . . . . . . . . . . . . . . . . . . .
4-14 S5 Default Settings, Model 3510 and Model 3511 4-18. . . . . . . . . . . . . . . . . . . . . . . . . .
A-1 8-Pin RJ48S A-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-2 Model 3511 DSU Rear Connector Plate A-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-3 V.35 Adapter Plug (Feature Number 3000-F1-510) A-5. . . . . . . . . . . . . . . . . . . . . . . . .
B-1 DSU Timing Chart B-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3500 Series Data Service Units
iv July 1999 3510-A2-GN32-70
List of Tables
Table Page
1-1 Technical Specifications for Model 3510 and Model 3511 DSUs 1-4. . . . . . . . . . . . . . .
2-1 DSU Compatibilities 2-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-1 3500 Series Indicators and Switches 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-2 Device Test Procedure 3-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-3 Digital Test (Point-to-Point) Procedure 3-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4 Digital Test (Multipoint) Procedure 3-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5 Local Loopback – DTE Test Message Procedure 3-13. . . . . . . . . . . . . . . . . . . . . . . . . . .
3-6 Local Loopback – DTE Test Message Alternative Procedure 3-13. . . . . . . . . . . . . . . . . .
4-1 Fan Module Cooling Requirements 4-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-2 3500 Series DSU LADS Connection 4-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-3 Model 3510 and Model 3511 DSU Straps S1 through S5 4-18. . . . . . . . . . . . . . . . . . . . .
4-4 Timing Signal Source Selection for Both Model 3510 and Model 3511 4-20. . . . . . . . . .
4-5 Data Rate Selection for Both Model 3510 and Model 3511 4-21. . . . . . . . . . . . . . . . . . .
4-6 Model 3510 DSU S4 Selection 4-21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-1 RJ48S Digital Network Connector Pins for the Model 3510 DSU A-1. . . . . . . . . . . . . .
A-2 RJ48T Digital Network Connector Pins (50-Pin) for the COMSPHERE
3000 Series Carrier (Model 3511) A-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-3 Standalone (Model 3510) Canadian Adapter Cable Pins A-2. . . . . . . . . . . . . . . . . . . . .
A-4 Model 3510 and 3511 DSU 25-Pin EIA-232-D/V.24 Connector Pins A-3. . . . . . . . . . .
A-5 Model 3510 DSU 34-Pin V.35 Connector Pins A-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-6 Model 3511 DSU 25-Pin CCITT V.35 Connector Pins A-5. . . . . . . . . . . . . . . . . . . . . . .
v3510-A2-GN32-70 July 1999
Preface
Objectives and
Reader Assumptions
This manual contains information for the installation
and operation of the Model 3510 (standalone) and
Model 3511 (carrier-mounted) Data Service Units
(DSUs).
It is assumed that you are familiar with the functional
operation of digital data equipment, DDS, DSUs and your
DTE devices.
Contents Summary
Chapter 1 gives a general overview of the 3500 Series
DSUs, describes each model’s features, and lists their
technical specifications.
Chapter 2 describes the network control interfaces
offered by the 3500 Series DSUs and the network
configurations they support, including compatibility with
other data communications equipment.
Chapter 3 describes normal operation of the
Model 3510 and Model 3511 DSUs.
Chapter 4 provides DSU installation instructions and
procedures for setting the hardware straps.
Appendix A contains interface connector pin
assignment information.
Appendix B provides timing source charts.
Appendix C provides an equipment list.
The Glossary provides definitions of all acronyms and
product-specific terms used in this guide.
Related Documents
3000-A2-GA31 COMSPHERE 3000 Series
Carrier, Installation Manual
Call your sales representative for additional product
documentation.
Paradyne documents are also available on the World
Wide Web at www.paradyne.com. Select Library →
Technical Manuals.
Reference Documents
ANSI T1.410–1992
AT&T Technical Reference 62310 (11/87)
INC Compatibility Bulletin CB-INC-101 (10/86)
Pacific Bell Publication PUB L-780035-PB/NB (9/88)
Pacific Bell Publication PUB L-780036-PB/NB
(10/88)
EIA-232-D/V.24 (ISO 2110)
CCITT V.35 (ISO 2593)
Bell Canada DCTE Specifications (7/89)
COMSPHERE 3500 Series Data Service Units
vi July 1999 3510-A2-GN32-70
1-13510-A2-GN32-70 July 1999
Introduction
Overview 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Features 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Specifications 1-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Equipment Warranty and Support 1-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overview
The 3500 Series Data Service Units (DSUs) are high
quality, flexible, economical devices designed for
incorporation into point-to-point and multipoint digital
networks operating at data rates up to 64,000 bits per
second (bps). These DSUs are extremely reliable,
compatible with other DSUs, and offer basic diagnostic
capabilities.
Both the Model 3510 and Model 3511 DSUs
(Figure 1-1) use similar circuit cards. Switches on the
circuit card allow you to select various options for
matching your data terminal equipment (DTE) to the
digital network. By selecting the appropriate data rates,
you can also use Model 3510 or Model 3511 DSUs as
local area data sets (LADS).
Figure 1-1. Model 3510 DSU
1
COMSPHERE 3500 Series Data Service Units
1-2 July 1999 3510-A2-GN32-70
Both the Model 3510 and Model 3511 DSUs are
compatible with earlier DATAPHONE II 2500 Series and
2600 Series DSUs, and they incorporate a number of
enhancements. Model 3510 supersedes the 2556B, 2596B,
2656B, and 2696B DSUs. Model 3511 supersedes the
2556A and 2596A DSUs.
You can obtain compact standalone Model 3510 DSUs
for desktop installation or circuit card Model 3511 DSUs
for carrier-mounted installation (up to 16 units) in a
COMSPHERE 3000 Series Carrier.
The Model 3511 DSU (Figure 1-2) contains ‘‘gold
finger” contacts on the rear edge of its circuit card and is
used with a rear connector plate. The rear connector plate
contains two 25-pin (DB25) DTE connectors, a 25-pin
EIA-232-D/V.24 connector and a 25-pin ITU-T V.35
connector, which is shipped with a V.35 adapter. If you
intend to use a V.35 interface, use the adapter to convert
the DB25 V.35 interface (the bottom connector) to a
standard V.35 34-pin interface.
NOTE
All of the technical information in
this manual applies to both DSU
models, unless otherwise noted.
Gold Contacts
Modular DSU 25-Pin
EIA-232-D
Connector
25-Pin
V.35
Connector
Backplane
Connector
Figure 1-2. Model 3511 DSU and Rear Connector Plate
Introduction
1-33510-A2-GN32-70 July 1999
Features
The Model 3510 and Model 3511 DSUs contain the
following standard features:
•Switch-selectable data rates of 2400, 4800, 9600,
19,200, 38,400, 56,000, and 64,000 bps.
•Compatibility with the channel interface defining
DDS service in AT&T Technical Reference 62310.
•Additional option switch settings, allowing
19,200 bps loop operation at levels of –10 dBm, 0,
or +6 dBm in order to meet the requirements of
Integrated Network Corporation compatibility
bulletin CB-INC-101 and the nonadaptive Standard
Service 19,200 bps loop rate specified in Pacific
Bell publications PUB L-780035-PB/NB and PUB
L-780036-PB/NB.
•Complies with AT&T 64K Clear Channel
capabilities.
•EIA-232-D/V.24 interfacing at data rates through
19,200 bps, and ITU-T V.35 interfacing at data
rates through 64,000 bps.
•Synchronous data transmission capability.
•Local, digital and remote loopbacks, plus built-in
test pattern generator/checker.
•Both models provide streaming terminal fault,
out-of-service, and no signal indication capability.
•Elastic store for extended circuits.
•The capability to respond to digital network
mandatory channel service unit (CSU) loopback,
loop current reversal, and nonlatching DSU
loopback requests. You can configure a Model 3510
or Model 3511 DSU for 64,000 bps clear channel
operation, and it will respond to the network
latching loopback code.
•Functional interchangeability as either a control or
tributary DSU.
•Both DSUs can be configured to function as a
point-to-point LADS at 2400, 4800, 9600, 19,200,
38,400, 56,000, and 64,000 bps.
•Compatible with earlier DATAPHONE II
2500 DSUs and 2600 tributary DSUs.
COMSPHERE 3500 Series Data Service Units
1-4 July 1999 3510-A2-GN32-70
Technical Specifications
Table 1-1 lists the technical specifications for
Model 3510 and Model 3511 DSUs.
Table 1-1
(1 of 2)
Technical Specifications for Model 3510 and Model 3511 DSUs
Technical Specifications Criteria
APPLICATION Serial synchronous, protocol-independent, binary data in full
duplex, point-to-point, and multipoint operation
DDS DATA RATE Operates at 2400, 4800, 9600, 19,200, 38,400, 56,000 and
64,000 bps
MODULATION Bipolar return to zero with alternate mark inversion (AMI) encoding
LINE REQUIREMENTS
DSU
LADS Digital Data Service leased 4-wire lines
4-wire private metallic lines
ENVIRONMENT
Operating Temperature
Relative Humidity
Storage Temperature
Shock and Vibration
40 degrees F (4 degrees C) to 120 degree F (49 degrees C)
5% to 95% (noncondensing)
–4 degrees to 158 degrees F, –20 degrees to 70 degrees C
Withstands normal shipping and handling
POWER REQUIREMENTS
Model 3510
Model 3511 90 — 132 Vac, 0.07 amp at 117 Vac, 60 Hz ±3, 5.8 watts (typical)
Supplied by carrier, 6.0 watts
HEAT DISSIPATION
Model 3510
Model 3511 19.5 Btu/hr (typical)
20.5 Btu/hr (typical)
MOUNTING
Model 3510
3000 Series Carrier Single desktop unit
EIA Standard 19-inch cabinet, or 23-inch cabinet
Introduction
1-53510-A2-GN32-70 July 1999
Table 1-1
(2 of 2)
Technical Specifications for Model 3510 and Model 3511 DSUs
Technical Specifications Criteria
PHYSICAL DIMENSIONS
Model 3510
Height
Width
Depth
Weight
Model 3511
Height
Width
Depth
Weight
Rear Connector Plate
Height
Width
Depth
Weight
2.13 inches (5.4 cm)
7.60 inches (19.3 cm)
12.13 inches (30.8 cm)
2.60 pounds (1.2 kg)
7.13 inches (18.1 cm)
1.00 inches (2.5 cm)
13.40 inches (34 cm)
0.73 pounds (0.3 kg)
5.25 inches (13.3 cm)
0.88 inches (2.2 cm)
1.00 inches (2.5 cm)
0.19 pounds (.09 kg)
DTE INTERFACES EIA-232-D/V.24 (ISO 2110) V.35 (ISO 2593)
(Note that the Model 3511 DSU provides an electrical interface,
but a rear connector plate is required for the physical interface.)
NETWORK INTERFACE Full compliance with AT&T Technical Reference 62310, Digital
Data System Channel Interface Specification, November, 1987.
Compatible with the DDS DSU portions of Bell Canada Digital
Circuit Terminating Equipment (DCTE) Specifications,
July, 1989, Issue 1
APPROVALS
FCC Part 15
FCC Part 68
UL
Model 3510
Model 3511, 3000 Series Carrier
CSA
Safety
Model 3510
Model 3511, 3000 Series Carrier
Emissions
Bell Canada
Class A Digital Device
Reg. No. AW2USA-61422-DD-N
Listed UL 1950
Recognized UL 1950
Certified CSA 22.2 No. 220—M1986
Certified CSA 22.2 No. 950—M89
CSA 108.8 Class A
“DCTE Specifications,” July 1989, Issue 1
COMSPHERE 3500 Series Data Service Units
1-6 July 1999 3510-A2-GN32-70
Equipment Warranty
and Support
Contact your sales or service representative directly for
any help needed. For additional information concerning
warranty, sales, service, repair, installation, documentation
or training, use one of the following methods:
•Via the Internet: Visit the Paradyne World Wide
Web site at http://www.paradyne.com
•Via Telephone: Call our automated call system to
receive current information via 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
2-13510-A2-GN32-70 July 1999
Principles of Operation
Network Configurations 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Point-to-Point 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Multipoint 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DSU Compatibility 2-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2600 Series Compatibility 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Local Area Data Set (LADS) Operation 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Network Configurations
Connections between 3500 Series DSUs or between
3500 Series DSUs and compatible DCEs are configured in
either of two ways: point-to-point or multipoint.
Point-to-Point
In a point-to-point configuration (Figure 2-1), there is
one DSU at each end of the digital facility. The local
DSU, and likewise the remote, may be a 3500 Series unit
or one of the other devices listed in the DSU
Compatibility section.
The primary channel characteristics of these DSUs are
identical to 2500 Series and 2600 Series DATAPHONE II
DSUs and Paradyne Model 3056 and 3456 DSUs;
therefore, you can configure these devices for installation
at either end of a network containing any compatible
DSU, such as Paradyne Model 3056 units.
Multipoint
In a multipoint configuration (Figure 2-1), a control
DSU is connected to multiple tributaries communicating
at the same speed on a single digital facility.
For multipoint networks, the DSU at the host end of
the circuit is designated as the control; the other DSUs are
designated the tributaries. The control initiates remote
diagnostic commands; the tributary responds to
commands from the control or from its own local front
panel.
A 3500 Series DSU can be used as a control or as a
tributary in non-network managed networks.
Figure 2-1 depicts a basic multipoint network
containing Model 3511 DSUs in a COMSPHERE
3000 Series Carrier at the local end of the network, and a
combination of standalone 2500 Series DATAPHONE II
DSUs and a Model 3510 DSU at the remote end.
For 2600 Series diagnostic multipoint networks, the
Model 3510 DSU can also be installed as a tributary DSU.
In this application, the standalone Model 3510 DSU at the
tributary end is functionally equivalent to a DATAPHONE
II 2600 Series DSU, and no additional support is needed.
2
COMSPHERE 3500 Series Data Service Units
2-2 July 1999 3510-A2-GN32-70
Figure 2-1. Example Point-to-Point and Multipoint Networks
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