Monitoring and Testing

Table 5-8. Troubleshooting (2 of 2)

Symptom

Possible Cause

Solutions

 

 

 

 

 

Message OOF at DTE

1.

Incompatible framing

1.

Check that the framing

appears

 

format between the

 

format for the DTE

 

 

Drop/Insert port on the

 

Drop/Insert (DSX-1)

 

 

customer premises

 

interface is correct.

 

 

equipment and the

 

 

 

 

DSU/CSU.

 

 

 

2.

DTE Drop/Insert (DSX-1)

2.

Check that the DTE

 

 

cabling problem.

 

Drop/Insert (DSX-1)

 

 

 

 

cable is securely

 

 

 

 

attached at both ends.

 

 

 

 

 

Message

1.

Network cable problem.

1.

Check that your network

Yellow at Network

 

 

 

cable is securely

appears

 

 

 

attached at both ends.

 

2.

Far-end device has lost

2.

Check the status of the

 

 

framing sync on the line.

 

far-end device.

 

3.

Facility problem.

3.

Contact your facility

 

 

 

 

provider.

 

 

 

 

Message

DTE has detected an LOS

1.

Check the status of the

Yellow at DTE appears

or LOF condition.

 

DTE.

 

 

 

2.

Check that the DTE

 

 

 

 

Drop/Insert (DSX-1)

 

 

 

 

cable is securely

 

 

 

 

attached at both ends.

 

 

 

 

 

Message

1.

Upstream device is

1.

Check the status of the

AIS at Network

 

transmitting an AIS.

 

upstream device(s).

appears

2.

The network is

2.

Contact your facility

 

 

 

transmitting an AIS.

 

provider.

 

 

 

Message

DTE is sending an AIS.

Check the DTE.

AIS at DTE

 

 

 

 

appears

 

 

 

 

 

 

 

Message EER at

Facility problem.

Contact your facility

Network appears

 

 

provider.

 

 

 

 

 

BPV LED is ON

1.

Incompatible line coding

1.

Check that the line

 

 

format between the DTE

 

coding format for the

 

 

and the DSU/CSU.

 

DTE Drop/Insert (DSX-1)

 

 

 

 

interface is correct.

 

2.

DTE Drop/Insert (DSX-1)

2.

Check that the DTE

 

 

cable problem.

 

cable is securely

 

 

 

 

attached at both ends.

 

 

 

A failure message appears

Internal DSU/CSU problem.

Record the 8-digit code,

followed by an 8-digit code

 

 

then contact your service

(x x x x x x x x )

 

 

representative.

 

 

 

 

 

5-16

August 2000

3162-A2-GB20-40

Page 80
Image 80
HP 3162 manual Troubleshooting 2 Symptom Possible Cause Solutions, Message OOF at DTE