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3551 manual
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COMSPHERE
3550 SERIES DAT
A SERVICE
UNITS MODELS 3550 AND 3551
USER’S GUIDE
Document No. 3550-A2-GB20-20
December 1996
Contents
Main
COMSPHERE Model 3550 and 3551 Data Service Units
Warranty, Sales, and Service Information
Trademarks
Important Safety Instructions
Notices
Government Requirements
Notice to Users of the Digital Data Service
Page
Table of Contents
Preface
1. About Your DSU
2. Installing the Model 3550 DSU
3. Installing the Model 3551 DSU
4. Operating the DSU
5. Configuring the Unit
Appendix
Glossary Index
List of Figures
List of Tables
Page
Preface
About
This Guide
How to Use This Guide
Related Documents
Reference Documents
About Your DSU
Standard Features
Optional Features
V.32 DBM
2-Port TDM/Flex
Upgrades Available
Technical Specifications
Table 1-1
General Technical Specifications
Table 1-1
General Technical Specifications
stop
start
Table 1-2 DSU Technical Specifications
Table 1-3 V.32 DBM Technical Specifications
any
Equipment Warranty and Support
Installing the Model 3550 DSU
Y
Before
ou Begin
How to Change Hardware Straps
Page
Where to Place the DSU
Installing the DSU
Power-Up Routine
Connecting to the Network
Connecting to the NMS
Connecting to the Dial (or PSTN) Network
Connecting to the DDS (or LADS) Network
Addressing the Unit
odd- numbered
.
even-numbered addresses
Tributary DSU Addressing
Connecting the DSU to a DTE
Connecting Port 2
Verifying Operation and Testing Connections
Verifying Network Addresses
Verifying the Network
Verifying DBM Operation
Verifying TDM/Flex Operation
Other Tests
Installing the Model 3551 DSU
Before
Y
ou Begin
How to Change Hardware Straps
Page
Table 3-2 Model 3551 DSU Jumper Straps Strap Designation State of Jumper Strap Function
Installing the DSU
Page
Page
Power-Up Routine
Connecting to the Network
Connecting to the NMS
Connecting to the Dial (or PSTN) Network
Connecting to the DDS (or LADS) Network
Connecting the DSU to a DTE
Addressing the Unit
odd- numbered addresses
even-numbered addresses
.
Verifying Operation and Testing Connections
To Connect the SDCP to a DSU
Verifying Network Addresses, the Network, and DBM Operation
Other Tests
Operating the DSU
DCP and SDCP Operation
SDCP
DCP
Keypad
Menu Structure
Top-Level Menu
Status Branch
Health and Status
Device Health and Status
Expanded Health and Status
Subnetwork Health and Status
DTE Status
Circuit Quality
Identity
Backup Branch
Dial Backup Operation
Configuring the Unit for Dial Backup
Understanding Operating Modes
Manual Backup
Placing a Backup Call
Manual DDS Restoration
Manual Dial Backup Termination
Test Branch
Abort
Device Test
Loopback
Local Loopback
DTE Loopback
Digital Loopback
Remote Digital Loopback
Bilateral Loopback
Digital Test
End-to-End Test
Bit Error Rate Test
Lamp Test
Configuration Branch
Selecting Menu Mode
Selecting an Application Configuration
Full Mode
disabled
Full Mode
enabled
Configuration Options
Reconfiguring a DSU Port
Reconfiguring a TDM/Flex Port
Poll List
Displaying the Poll List
Changing the Poll List
Acquiring the Poll List
Directory
Entering a Telephone Number
Other valid characters
Phone
Network Address
Assigning an Address
Control Branch
Transmitter Control
LEDs
External Leads
Displaying External Leads
?
Reporting External Lead Changes to NMS
Messages Branch
Front Panel (DCP) Security
Configuring the Unit
Using the DCP to Set Configuration Options
Editing Configuration Values
Saving Configuration Options
Example Using the DCP
Page
Configuration
Option T
ables
Understanding the Tables
Table 5-1
DSU Configuration Options
Transmit Elastic Store
Message Clamping
Transmit Clock Source
Table 5-1
DSU Configuration Options
V.54 Loopback
19.2 kbps Power Level
PrtSp(Kbps
Table 5-2 Diagnostic (DSU) Configuration Options
Diagnostic Type
In-band Secondary Channel Diagnostic Transport Speed in bps
Table 5-3 Diagnostic (DBM) Configuration Options
Diagnostic Type
In-band Secondary Channel Diagnostic Transport Speed in bps
Table 5-4 Diagnostic (External DBU) Configuration Options
Table 5-5
Diagnostic (General) Configuration Options
Table 5-5
Diagnostic (General) Configuration Options
Multipoint Symmetrical Port
Packet Delay
Link Delay
(1 of 4)
(2 of 4)
Single Rate
PrtSp(Kbps
Receive Elastic Store
Transmit Elastic Store
(3 of 4)
(4 of 4)
.13 Signaling
incoming
Data Terminal Ready Call Control
Dial Tone Test
Table 5-7 External DBU Configuration Options
(1 of 4)
DTE Port
Antistreaming
Auto Backup
Tries Time-Out
(2 of 4)
Line Signal Detect Lead
Respond to Remote Digital Loopback
Circuit Assurance
Data Set Ready On in Test
(3 of 4)
Local Loopback by DTE
Ext Leads
Configuration Change Notification by External Leads
External Leads
(4 of 4)
Table 5-9
Backup Configuration Options
Table 5-9
Backup Configuration Options
Table 5-10 MUX (Setup) Configuration Options
TDM/Flex Function
Asynchronous-to-Synchronous Conversion
DTE Port
Port Control
(2 of 5)
1800 Select the rate of the asynchronous port. to 150
(3 of 5)
Transmitter Carrier Select
PCC Buffer
Pseudo-Controlled Carrier Buffer
TxCarrSel
(4 of 5)
Elastic Store
Data Set Ready On in Test
Data Set Ready Forced On
Disab
(5 of 5)
Table 5-12 Port Speed (DSU) Configuration Options
Table 5-13 Port Speed (DBM) Configuration Options
Table 5-14 Port Speed (External DBU) Configuration Options
A
DSU Menu
Menu Structure
Top-Level Menu
Page
Page
Local/Remote Menu Subbranches
System Administrator
B
Configuration Worksheets
Instructions
Model 3550 or 3551 DSU Configuration Worksheet (1 of 2)
(Full Menu Mode: Enabled)
Local
) _____________________________ Device:_____________________________________________
Tributary Network Addr:________________________________ j TDM/Flex Installed
Model 3550 or 3551 DSU Configuration Worksheet (2 of 2)
(Full Menu Mode: Enabled)
Model 3550 or 3551 DSU Configuration Worksheet (1 of 2)
(Full Menu Mode: Disabled)
Local
) _____________________________ Device:_____________________________________________
Tributary Network Addr:________________________________ j TDM/Flex Installed
Model 3550 or 3551 DSU Configuration Worksheet (2 of 2)
(Full Menu Mode: Disabled)
Status Indicators and Control Panel Messages
C
Status Indicators
Table C-1 DSU Status Indicators Label Color Description
(circuit designations)
or
The SDCP addresses one DSU at a time.
Table C-2 SDCP Status Indicators Label Color Description
Control Panel Messages
Format
Health and Status Messages
Table C-3 (2 of 3) Device Health and Status Messages
alarm
test
alarm
Table C-3 (3 of 3) Device Health and Status Messages
Table C-4 Expanded Health and Status Messages
reason
n
Table C-5 Subnetwork Health and Status Messages
Progress Messages
Error Messages
Table C-9 Dial Backup Error Messages Message Notify NMS1Condition Action
(1 of 3)
Message Condition Action
greater than
less than
(2 of 3)
Message ActionCondition
must
not
not
(3 of 3)
Message ActionCondition
not allowed
D
Pin Assignments
Hubbing Device
Page
Page
Table D-5 EIA-232/V.24 Connector Pin Assignments
Pin
Circuit Name
Function
Pin EIA-232 CCITT Function
Page
Page
Page
Page
E
Application Configurations
Point-to-Point Applications
Page
Multipoint Applications
F
Equipment List
Equipment Feature/Part No. G = Factory Install. F = Field Install. Comcode
Equipment Comcode
Feature/Part No. G = Factory Install. F = Field Install.
Installation Manual
, Installation Manual
COMSPHERE 3000 Series Carrier
Equipment* Part Number
* For use by Field Service personnel.
Equipment* Part Number
, Installation Manual
* For use by Field Service personnel.
COMSPHERE 48 Vdc Central Office Power Unit, Installation Manual
COMSPHERE 3000 Series Carrier
Glossary
Page
Page
Page
Page
Page
Index
A
B
C
D
configuring
unit, 46
E
F
G
H
I
J
M
N
O
P
R
S
T
U
V
W