Service Cards; Dip Switch Settings - Black Box COMPACT T1 Quick Start Manual

Service Cards

FXO Card

DIP Switch Settings

The DIP switches on the FXO card control all eight channels. In order to apply
different settings to channels on the same card, use the CLI.
Switch
1-2
3-6
7-10
LEDs
Each port on the FXO card has its own LED, as described in the table below
State Loop Start
Meaning
Off N/A
Green Idle
Red N/A
Yellow Call in progress
Flashing Green Ringing
Compact T1 - Release 6.1
Function Description
Signal 1 2
Type
0 0 = FXO Loop Start
1 0 = FXO Ground Start
0 1 = DPT (use with E&M setting
on T1)
1 1 = FXO Loop Start with
Calling Party Disconnect
Receive 3 4 5 6
Gain/Loss
0 0 0 0 = 0 dB
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/Loss
0 0 0 0 = 0 dB
0 0 0 1 = -9 dB
0 0 1 0 = +2 dB
0 1 0 0 = +3 dB
1 0 0 0 = +4 dB
Ground Start Meaning
Idle (tip open)
Tip ground (incoming seizure)
Ring ground (outgoing seizure)
Call in progress
Ringing
Quick Start
Service Cards
Note
These settings allow for
receive gain and losses of -9, -
7, -6, -5, -4, -3, -2, 0, 2, 3, 4,
5, 6, and 7. +9 (1110 is not
available.
These settings allow for
transmit gain and losses of -9,
-7, -6, -5, -4, -3, -2, 0, 2, 3, 4,
5, 6, and 7. +9 (1110 is not
available.
Dial Pulse Termination
Meaning
Idle (loop open)
Incoming seizure
Loop closure (outgoing seizure)
Call in progress (reverse battery)
N/A
33