User`s guide

A-8 DL3100 User’s Guide—November 1998
A
T3 Main Board
INS Green
Amber
Red
Module is in service and functioning normally
Module is operating normally but is out of service
Module failure
ALM Red Network is in an alarm state
RED Red Loss of signal or out-of-frame conditions on receive T3 signal
YEL Red Far-end DL3100 or other remote equipment is in red alarm
BLU Red AIS received denoting an upstream failure
BPV Flashing Bipolar violations detected on the receive T3 signal
PA R Red C-Bit or P-Bit parity errors detected on receive T3 signal
HSDB/HVDB Boards
INS Green
Amber
Red
Module is in service and functioning normally
Module is operating normally but is out of service
Module failure
TEST Red A bi-directional DTE/Network loopback is in progress
TD Flashing
or green
Data is being transmitted to the DTE
RD Flashing
or green
Data is being received from the DTE
TA/RTS Green Data interface equipment is available and functioning normally
CA/CTS Amber Carrier equipment is available and functioning normally
Buttons
STAT Indicates the location of the user in the hierarchical menu structure
EXIT (LEFT
ARROW)
Used to cancel operations or to exit to a higher level menu
UP
ARROW
Used to view the previous item or option in the same menu
DOWN
ARROW
Used to view the next item or option in the same menu
ENTR
(
RIGHT
ARROW)
Used to enter a submenu or to change a configuration option
Connectors
SEND
MON
Access for external equipment to monitor the transmit signal
RCV MON Access for external equipment to monitor the receive signal
Table A-12 Front Panel LEDs, Buttons and Connectors (Continued)
LED/Button Status Significance/Function