8.3.1.1Definition of Line Status LEDs for T1 Span 1 and T1 Span 2 (first two LEDs)

State

Meaning

Off

Loss of T1 signal, no pulses received.

Green

Access Bank II is in frame with a frame-bit error rate less than

 

10e-5.

Flashing Green

Access Bank II is in frame, but frame-bit error rate exceeds 10e-

 

5.

 

 

Red

AIS (Unframed All Ones Signal) received from the incoming

 

T1 span.

Flashing Red

Access Bank is not synchronized to the incoming T1 line, but

 

no AIS is being received.

Yellow

BPV errors received on the T1 line that are not due to B8ZS line

 

coding.

 

 

Flashing Yellow

Yellow Alarm received from the T1 line.

8.3.1.2Definition of Test LEDs for T1 Span 1 and 2 (third and fourth LEDs)

State

Meaning

Green

Normal operations. Trunk processing, self test, and network

 

loopback inactive.

 

 

Flashing Green

T1 Self Test local loopback passed.

Red

T1 Self Test local loopback failed due to one or more of the

 

following conditions: T1 Loss of Signal, Out of Frame, Improper

 

Line Code Received, ESF or BPV errors received.

Yellow

Channels held in Trunk Processing for this T1 span.

Flashing Yellow

Network loopback active for this T1 span.

8.3.1.3Definition of V.35 Status LED (last LED)

State

Meaning

Off

No T1 channels assigned to V.35 port.

Green

CD (RLSD) and RTS leads active. T1 channels assigned and

 

operative.

Flashing Green

V.35 in loopback to DTE equipment.

Red

CD (RLSD) lead is inactive because assigned T1 is inoperative.

Yellow

CD (RLSD) lead active. RTS lead inactive.

Flashing Yellow

V.35 in loopback to T1 line.

8.4 DIP Switches

This screen shows the settings of the DIP switches on the connected Access Bank II and the cards that populate the Access Bank II unit, after a read operation. You must be connected. Click on the

8-10

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Image 64
Carrier Access AB II manual DIP Switches, Definition of V.35 Status LED last LED