
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   | 
  | |
Flashing Green  | Access Bank II is in frame, but   | 
  | 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