Specifications

December 2008 Page 4–5
Chapter 4. Acceptance Tests
4
17. Clear the DS0 channel map.
Use the FCS to clear the channel assignment
map and start with a fresh map. (Please see the
FCS online help facility: Channel
Assignments Map > Making Time Slot
Assignments > To set up the Channel
Assignments Map).
After you receive the “Command Accepted”
message, you should observe the following:
PRI Module (set for legacy address
mode): guard LED on, block LED off .
HCB Module: alarm LED should go off.
RS232 Module: RX LEDs go off.
•PLD Module (configured as a head
module): RX LED goes off.
All the other channel modules have no
visible indication that loopback is on.
Figure 4–4. Maintenance Module (MV5) Status Indicators.
STATUS LED
INJECT/EJECT
LEVER
SOLDER SIDE
TX DATA
RX DATA
RS-232 PORT
MASTER
SLAVE
E
W
N
S
SIGNALING
BUTTON
HANDSET
INTERFACE
MAIN
BOARD
PIGGYBACK
BOARD
SOLDER SIDE
PLOW BREAK
LOCKED
USER
LOGGED IN
UNLOCKED
FLIPPED
RECEIVE
SEND
ARMED
Figure 4–3. Maintenance Module (MV3) Status Indicators.
STATUS LED
INJECT/EJECT
LEVER
SOLDER SIDE
TX DATA
RX DATA
RS-232 PORT
MASTER
EAST
SIGNALING
BUTTON
HANDSET
INTERFACE
MAIN BOARD
PIGGYBACK
BOARD
SOLDER SIDE
ESF SYNC
DISABLED
LOCKED
SWTEST
UNLOCKED
FLIPPED
RECEIVE
SEND
ARMED