COMSPHERE 3550 Series Data Service Units

Table C-3

(2 of 3)

Device Health and Status Messages

Message

 

 

 

Condition

 

 

Dial Tone:Fail

Dial tone test was enabled and test failed.

 

 

DDS F: alarm

Digital facility alarm; alarm is one of the following network alarms:

 

BiplrViol

 

Ð

Excessive Bipolar Violations

 

Fac Alarm

Ð

Facility Alarm

 

OutofServc

Ð

Out-of-Service condition

 

No Signal

Ð No signal has been received

 

 

DSU:Device Fail

Internal failure in the DSU is detected. (Go to the Test branch for Device Test.)

 

 

DSU:Disable

DSU transmitter is disabled. (Go to the Control branch to enable the DSU.)

 

 

DSUTst: test,init

The DSU is running a test, initiated from init.

 

test is one of the following tests:

 

BERT

Ð

Bit Error Rate Test

 

BiL

Ð

Bilateral Loopback

 

Dev

Ð

Device Test

 

DL

Ð

Digital Loopback

 

DT

Ð

Digital Test

 

DTE

Ð

DTE Loopback

 

E-E

Ð

End-to-End Test

 

Lamp

Ð

Lamp Test

 

NetL

Ð

Network Loopback

 

RL

Ð

Remote Digital Loopback

 

TM

Ð

Test Mode

 

init is one of the following initiators:

 

DTE

Ð

Data T erminal Equipment

 

FP

Ð

Front Panel (the DCP)

 

NMS

Ð

Network Management System

 

Ntwk

Ð

Network

 

Remt

Ð

Remote DSU

 

 

External Alarm A

The DSU detects a positive voltage on Pin 23. This alarm condition is defined by the

 

Ext Leads configuration option.

External Alarm B

The DSU detects a positive voltage on Pin 19. This alarm condition is defined by the

 

Ext Leads configuration option.

Invalid Address

A DSU was powered up with an invalid address. Invalid addresses are:

 

0

Ð

This is reserved for the SDU

 

192

Ð

This is reserved for the broadcast address

 

191

Ð

Invalid for a DSU with a DBM because of the reserved 192

 

 

 

broadcast address

 

255

Ð

Invalid for a DSU with a DBM

C-4

December 1996

3550-A2-GB20-20

Page 108
Image 108
Paradyne 3551 manual Table C-3 Device Health and Status Messages Condition