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Carrier Access AB II Manual De Usuario

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8-10
8.3.1.1
Definition of Line Status LEDs for T1 Span 1 and T1 Span 2 (first two 
LEDs)
8.3.1.2
Definition of Test LEDs for T1 Span 1 and 2 (third and fourth LEDs)
8.3.1.3
Definition of V.35 Status LED (last LED)
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 
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.
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.
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.