Black Box Compact T1 MT850A User Manual page 402

FXS Voice Card
Card Configuration
DIP Switch Settings
Each FXS card contains ten DIP switches that can be used to select signaling options
for all eight channels.
Switch
1-2
3-6
7-10
NOTE:
(up to 1.6 miles for 26 AWG, and 2.6 miles for 24 AWG). To set an FXS
channel to have a long loop setting, see
CLI Commands.
8-8
Function Description
Signal 1 2
Type
0 0 = FXS Loop
Start
1 0 = FXS Ground
Start
Receive 3 4 5 6
Gain/
0 0 0 0 = 0 dB
Loss
0 0 0 1 = -9 dB
0 0 1 0 = +2 dB
0 1 0 0 = +3 dB
1 0 0 0 = +4 dB
Transmit 7 8 9 10
Gain/
0 0 0 0 = 0 dB
Loss
0 0 0 1 = -9 dB
0 0 1 0 = +2 dB
0 1 0 0 = +3 dB
1 0 0 0 = +4 dB
The FXS channels default to a short loop setting
Note
These settings allow for receive gain
and losses of -9, -7, -6, -5,
-4, -3, -2, 0, 2, 3, 4, 5 and 6.
These settings allow for transmit gain
and losses of -9, -7, -6, -5, -4, -3, -2, 0,
2, 3, 4, 5 and 6.
command in Chapter 5,
set (fxs5G)
Compact T1 - Release 6.1