Adtran Multiport DBU User Manual
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DBU INTERFACE OPTION MODULE
(MULTIPORT)
Part Number 1200089L2#HS
USER MANUAL
61200.089L2-1A
November 1995
61200.089L2-1 DBU Interface Option Module User Manual
T able of Contents
901 Explorer Boulevard
P.O. Box 070020
Huntsville, AL 35807
Phone: (205) 971-8000
Fax: (205) 971-8699
© 1995 ADTRAN, Inc.
All rights reserved.
Printed in the USA.
DBU Interface Option Module User Manual 61200.089L2-1
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FEDERAL COMMUNICATIONS COMMISSION
RADIO FREQUENCY INTERFERENCE STATEMENT:
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.
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.
61200.089L2-1 DBU Interface Option Module User Manual
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DBU Interface Option Module User Manual 61200.089L2-1
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Table of Contents
Chapter 1. Introduction...................................................................................... 1
Dial Backup Overview ........................................................................................... 1
Dial Backup Functional Description .................................................................... 1
Features of the DBU Interface Option Module ................................................... 2
Interfaces ................................................................................................................ 2
Compatibility .......................................................................................................... 3
Dial Backup Option Module Specifications ........................................................ 3
Physical Description .............................................................................................. 4
Chapter 2. Installation ........................................................................................ 5
Unpack & Inspect ................................................................................................. 5
ADTRAN Shipments .............................................................................................. 5
Customer Provides ................................................................................................. 5
Installing the Option Module ............................................................................... 6
Placement of the Option Module .................................................................... 6
Power Connection ............................................................................................ 6
Warranty and Customer Service .......................................................................... 7
Wiring ..................................................................................................................... 8
Configuring External DCE .................................................................................... 8
Originate DCE .................................................................................................. 8
Answer DCE ...................................................................................................... 8
Power-Up Initialization .......................................................................................... 9
Chapter 3. Operation ........................................................................................ 11
Overview ............................................................................................................... 11
Front Panel Indicators/Buttons ...................................................................... 11
Menu Structure............................................................................................... 11
DBU Menus Are All Submenus ........................................................................... 1 3
Operation ........................................................................................................ 13
5)PORT Status, Submenu of 1)Status................................................................ 14
Operation ........................................................................................................ 14
7)PORT CONFIG, Submenu of 2)CONFIG ...................................................... 16
Operation ........................................................................................................ 16
3)FACTORY RESTORE, Submenu of 3)UTIL .................................................... 19
Operation ........................................................................................................ 19
61200.089L2-1 DBU Interface Option Module User Manual
i
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7)PORT UTILITY, Submenu of 3)UTIL ............................................................ 19
Operation ........................................................................................................ 19
2)RUN SELF TEST, Submenu of 4)TEST .......................................................... 20
3)PORT TEST, Submenu of 4)TEST .................................................................. 21
Operation ........................................................................................................ 21
Appendix A. Dial Backup System Messages .................................................. 23
List of Figures
Figure 1-1. DBU Option Module ......................................................................... 4
Figure 2-1. Installing the Option Module ........................................................... 6
Figure 3-1. TSU 100 Main Menu Tree ............................................................... 12
Figure 3-2. DBU Option Card Menu Tree ........................................................ 13
Figure 3-3. Port Status Submenu ....................................................................... 14
Figure 3-4. SYNC Status Window ..................................................................... 15
Figure 3-5. Port Configuration Submenu ......................................................... 16
Figure 3-6. Port Utility Submenu....................................................................... 19
Figure 3-7. Display of Port Name and Firmware Version ................................ 20
Figure 3-8. Port Test Submenu ........................................................................... 21
List of Tables
Table 2-A. V.35 Winchester Pin Connection ...................................................... 8
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DBU Interface Option Module User Manual 61200.089L2-1
DIAL BACKUP OVERVIEW
The Dial Backup (DBU) Interface Option Module is one
of the option modules available for use with the
ADTRAN TSU 100/600.
The DBU interface option module installs in the option
slot of the TSU 100/600 and provides a DTE interface
capable of interfacing to various dial backup devices. It
utilizes the full bandwidth of the dial backup network to
backup a single data port in a TSU 100/600. When
backing up multiple data ports, the DBU will rob an 8
kbps channel to maintain data alignment.
Chapter 1. Introduction
Chapter 1
Introduction
The DBU must be installed in slot 2 of the TSU 600.
DIAL BACKUP FUNCTIONAL DESCRIPTION
The DBU interface option module operates in the option
slot of the TSU 100/600 and is under the control of the
TSU 100/600. The DBU is configured from the front
panel or by T-Watch, an external PC program. The
internal menus for its configuration are part of the DBU
card and are automatically installed when the DBU
interface option module is plugged into the TSU 100/
600.
The DBU operates only with TSU 100 code Rev K or
higher and TSU 600 code Rev E or higher.
61200.089L2-1 DBU Interface Option Module User Manual 1
Chapter 1. Introduction
FEATURES OF THE DBU INTERFACE OPTION MODULE
The main features of the DBU Interface Option Module
include the following:
• Operates using 1 to 24 DS0s
• Includes an elastic store for absorption of rate
variations
• Accepts a plug-on port
• Provides backup multiple TSU 100/600 data ports
• Provides TSU timing locked to backup network
when backup function is active
• Operates by menu for easy configuration
• Offers weekend and time-of-day backup disable
• Performs an extensive self test
INTERFACES
The DBU Interface Option Module uses the following
interfaces:
• CCITT V.35 electrical (differential)
• Connector - V.35 Winchester
• Loopbacks - Local (toward the DCE)
2 DBU Interface Option Module User Manual 61200.089L2-1
Chapter 1. Introduction
COMP ATIBILITY
The DBU Interface Option Module has been tested with
the following external DCE devices:
• ADTRAN DSU
• ISU 2x64 (ADTRAN)
• ISU 128 (ADTRAN)
• ISU 512 (ADTRAN)
DIAL BACKUP OPTION MODULE SPECIFICATIONS
DTE Interface
CCITT V.35 Synchronous
Rates
56 kbps to 1.536 Mbps in 56 kbps or 64 kbps increments
Clocking
Derived from the external DCE device
Tests
• Local Loopback menu activated
• Interface Test - causes dial out to be activated
• Self Test
Connector
Winchester (V.35), female
61200.089L2-1 DBU Interface Option Module User Manual 3
Chapter 1. Introduction
PHYSICAL DESCRIPTION
The DBU is a module which plugs into the option slot in
the rear of the TSU 100/600; see Figure 1-1.
The rear panel of the option module includes a plastic
plug over a cutout for a plug-on option card. This allows
a plug-on board to be added to the option module,
creating an additional port. The PORT X.1 and X.2
indication is linked to the port numbering philosophy of
the TSU 100/600 product family. The X represents the
slot number, into which the option module is plugged.
For the TSU 100 there is only one option slot. Therefore
the port designation would be 1.1 and, if a plug-on V.35
is present, port 1.2. In a TSU 600 with six option slots,
these port numbers would be port 1.1 to port 6.1. The
numbers appear in the front panel LCD menu displays.
In the TSU 600, the Dial Backup option card must be used
in slot 2.
3
2
HOT
REPLACEABLE
DIAL BACKUP PORT X.1 PORT X.2/X.3
1
1 - Cutout for second option card
2 - Screw receptacles for "plug-on" board
3 - Port X.2/X.3 header pins
2
Figure 1-1
DBU Option Module
4 DBU Interface Option Module User Manual 61200.089L2-1
UNPACK & INSPECT
Carefully inspect the DBU module for any shipping
damage. If damage is suspected, file a claim immediately
with the carrier and then contact ADTRAN customer
service. If possible, keep the original shipping container
for use in shipping the DBU module back for repair or
for verification of damage during shipment.
ADTRAN Shipments
Chapter 2. Installation
Chapter 2
Installation
The ADTRAN shipment includes the following materials:
• DBU Module
• DBU User Manual (to be inserted into main TSU
100/600 user manual)
Customer Provides
The customer provides the following:
• DTE cable
61200.089L2-1 DBU Interface Option Module User Manual 5
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