Main
              COMSPHERE 3600 Series Data Service Units
Warranty, Sales, Service, and Training Information                
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Trademarks              
!Important Safety Instructions
              Notices
              Table of Contents
Preface                
1. Overview
2. Model 3610 Installation              
3. Model 3611 Installation
4. Principles of Operation                
Index
5. DSU Operations                
Appendices
              List of Figures
            Page
            Page
              List of Tables
              Preface
About this Guide                
How to Use this Guide
              Related Documents
Reference Documents              
Overview
              Standard Features
3611, Operators Guide                
3611, Dial Backup Module and SNA Diagnostic Interface Options, Applications Guide.
Optional Features                
DSU with TDM Capability
            Page
              DSU with MCMP Capability
              DSU with Digital Bridge Capability
DSU with LPDA-2 Interoperability and TDM or MCMP              
Models
Except                
Model 3610 with TDM or MCMP
Model 3611 with TDM or MCMP                
Models 3610 and 3611 with SNA Diagnostic Interface
              Figure 1-1. Model 3610 DSU with TDM or MCMP
            Page
              DBM Types
DBM-V                
DBM-S
DBM-D                
Government Requirements
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              Model 3610 Installation
              Hardware Straps
            Page
              Changing Hardware Settings
            Page
              Changing the Flex Interface Switch
              Changing the DSD Option Card
              Electrical Connection
Power-Up Routine                
WITH TDM or MCMP OPTION
              Figure 2-7. Model 3610 DSU with TDM or MCMP
WITH TDM or MCMP OPTION                
WITHOUT TDM or MCMP OPTION
3611, Time Division Multiplexer, Multichannel Multipoint, and Digital Bridge Options, Users Guide                
COMSPHERE 3600 Series Data Service Units, Models 3610 and 3611, Operators Guide
              Network Diagnostic Connection
Software Configuration                
From the DCP and Async Terminal
From the NMS              
Network and LADS Connections
DSU DTE Connection              
Verification Testing
              Adding a TDM/Flex or MCMP/Flex to an Installed Model 3610 DSU
              Getting Started
              Removing the DSU from Its Base
Installing a TDM/Flex  or MCMP/Flex              
Reassembling the Unit
              Model 3611 Installation
              Non-Modular DSU with a TDM or MCMP
Modular DSU with a TDM or MCMP                
DBM-Vs/DBM-Ss/DBM-Ds
              Hardware Straps
              Software Configuration
From the SDCP                
From the NMS
              Verification Testing
              Adding a TDM or MCMP to an Installed Model 3611 DSU
              Installing a Non-Modular TDM or MCMP
              Power-Up Routine
3611, Users Guide            
Page
              Installing a Modular TDM or MCMP
            Page
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              Removing TDM or MCMP from an Installed Model 3611 DSU
            Page
              Principles of Operation
              Network Terminology
Point-to-Point Transmission              
Multipoint Transmission
              Modes Of Operation
Basic Mode                
TDM Mode
MCMP Mode                
Bridge Mode
              Time Division Multiplexing
              Speed Characteristics
Asynchronous and Synchronous Sources                
In-Band Framing and Underspeed Channel
              TDM Architecture
core              
TDM Applications
Single-Port Async/Sync Support            
Page
              Point-to-Point Multiplexing
              TDM Backbone Circuit with Extensions
Diagnostic Path Extension                
Digital Sharing
            Page
              Multiplexing and Digital Sharing
              FEP Port Sharing
Set the tributary DSUs port                
Set the control DSUs port
cannot            
Page
              TDM Backup
            Page
            Page
            Page
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              Multichannel Multipoint
            Page
              Line and Channel Speeds
MCMP Overhead Composition                
Management Channel
In-Band Secondary Channel Transport                
Number of Tributaries
              MCMP Architecture
              MCMP Operation
Initialization                
Network Modification
Switched-Carrier Emulation                
MCMP Applications
              MCMP
MCMP with Digital Sharing                
MUX Configuration Options
              MCMP with FEP Port Sharing
              MCMP Backup
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              Digital Bridge
            Page
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              Diagnostic Considerations
Multipoint Backup            
Page
              Multipoint Backup Addressing
            Page
              Multipoint Backup Architecture
            Page
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              Central-Site DBM-Vs/DBM-Ss/DBM-Ds
              DBM-V/DBM-S/DBM-D Dial on DTR Capability
Digital Bridge/DBM-V/DBM-S/DBM-D Interface                
Digital Bridge/DBM-V/DBM-S/DBM-D  Switched LSD Operation
Tributary DSU Considerations                
Setup  DSU Rate Equals DBM Rate
              Automatic DDS Restoration
Setup  DBM Rate Less Than DSU Rate*                
Manual DDS Restoration
              LADS Operation
              Point-to-Point LADS
Bridged LADS            
Page
              Bridged LADS Architecture
Digital Bridge/DSU Interface              
NMS Control
              SNA Diagnostic Interface
LPDA-2 Addressing                
Assigning an Address to the Control DSU
              Assigning an Address to the Tributary DSU
              NetView-Initiated Dial Backup
              Multipoint Dial Backup
Multiplexing with TDM or MCMP            
Page
               Digital Sharing
            Page
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              DSU Operations
              Diagnostic Control Panels
              Status Indicators
TDM                
Multirate DSU 3611
COMSPHERE 3600 Series Data Service Units                
5-4 March 1999 3610-A2-GB41-60
              MCMP
Port                
Multirate DSU 3611
Figure 5-2. Model 3611 DSU and MCMP Faceplates                
DBM-S
              Bridge mode
              (circuit designations)
or                
(the SDCP addresses one device at a time)
(the TDM or MCMP circuit card has same address as its associated DSU)              
Menu Structure
Menus and Mode of Operation                
Local/Remote Menu Subbranches
does not              
Status Branch
              Health and Status
Device Health and Status                
Expanded Health and Status
              Subnetwork Health and Status
DTE Status                
If there is only one port
If there is more than one port                
 If using FEP port sharing
              Circuit Quality
Terminal Power              
Backup Branch
DBM/DBM-V/DBM-S/DBM-D              
Aggregate Switch
Bridge              
Test Branch
              Abort
Device Test            
Page
              Loopback
must                
Local Loopback
            Page
              DTE Loopback
              Digital Loopback
            Page
                Remote Digital Loopback
            Page
              Bilateral Loopback
              Digital Test
            Page
              End-to-End Test
              Local
              Bit Error Rate Test
            Page
Lamp Test              
Configuration Branch
              Options
MUX Configuration Options              
MUX Setup Option Set
Always select the mode (MUX Funct) first            
Page
            Page
            Page
              Port Option Sets
              MCMP Operation
Poll List              
Port Speed Configuration Options
              Poll List
Adding Self to Poll List              
Acquiring the Poll List
Directory                
Save
              Phone
Save                 
Async Terminal
              Control Branch
              Transmitter Control
will not              
LEDs
              External Leads
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B              
Configuration Worksheets
Instructions            
Page
              Configuration Worksheet for TDM Mode (1 of 3)
  (Chang)                
 (Chang)
     (Chang)                
(TDM)
              Configuration Worksheet for TDM Mode (2 of 3)
              Configuration Worksheet for TDM Mode (3 of 3)
            Page
              Configuration Worksheet for MCMP Mode (1 of 3)
MUX Setup Value MUX Funct:                       
(MCMP)
 or greater Prt3 Options Value                
Prt1 Options Value
              Configuration Worksheet for MCMP Mode (2 of 3)
)                
, 
)              
Configuration Worksheet for MCMP Mode (3 of 3)
            Page
              Configuration Worksheet for Bridge Mode (1 of 2)
(CBrdg or EBrdg)                
 (Chang)
*MCMP option only              
Configuration Worksheet for Bridge Mode (2 of 2)
** TDM option only              
Configuration Worksheet for Basic Mode
              Configuration Worksheet for Basic (DBM-V, DBM-S, or DBM-D)
 or                
                      
 (Chang)                
Note: Values shown in [Bold] are factory-set defaults.
              Pin Assignments
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D              
Configuration Scenarios
 all                
only affected
              TDM Configuration Scenarios
TDM Scenario 1  Using Two Synchronous Channels            
Page
              TDM Scenario 2  Using Switched 56 kbps Dial Backup
            Page
              Digital Bridge Configuration Scenarios
Automatic Partial Backup                
Not
            Page
              Full Backup
To place a call from the DBM-V to its tributary            
Page
              Multipoint Full Dial Backup with Nondisruptive Diagnostics
            Page
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              Automatic Partial Backup Using an Extended Bridge
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              Network Management-Controlled Full Backup Using an Extended Bridge
            Page
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              MCMP Configuration Scenarios
MCMP Using FEP Port Sharing            
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              Dedicated MCMP Backup with Switched 56 DBMs
            Page
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              MCMP Backup Using FEP Port Sharing
 Not            
Page
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              Index
A                
B
              C
D            
Page
              E
F                
G H
I                
K L
              M
              N
O                
P
              R
S                
T
              U V
W