Black Box COMPACT T1 quick start FXS Card, FXS Intl card

Quick Start

Service Cards

FXS Card

DIP Switch Settings

Each FXS card contains ten DIP switches that can be used to select signaling options for all eight channels.

Switch	Function	Description		Note
1-2	Signal	1 2
	Type
		0 0 = FXS Loop Start		FXS and FXS5G card
		1 0 = FXS Ground
		Start
		00 = R2		FXS INTL card
3-6	Receive	3 4 5 6		These settings allow for receive gain
	Gain/Loss			and losses of -9, -7, -6, -5,
		0 0 0 0	= 0 dB
				-4, -3, -2, 0, 2, 3, 4, 5, 6, and 7. +9
		0 0 0 1	= -9 dB
				(1110) is not available.
		0 0 1 0	= +2 dB
		0 1 0 0	= +3 dB
		1 0 0 0	= +4 dB
7-10	Transmit	7 8 9 10		These settings allow for transmit gain
	Gain/Loss			and losses of -9, -7, -6, -5, -4, -3, -2, 0,
		0 0 0 0	= 0 dB
				2, 3, 4, 5, 6, and 7. +9 (1110) is not
		0 0 0 1	= -9 dB
				available.
		0 0 1 0	= +2 dB
				Maximum setting on the 5G is +6 dB.
		0 1 0 0	= +3 dB
		1 0 0 0	= +4 dB

LEDs

Each port on the FXS card has its own LED, as described in the table below.

State	Loop Start	Ground Start Meaning
	Meaning
Off	N/A	Idle (tip open)
Green	Idle	Tip ground (incoming seizure)
Red	N/A	Ring ground (outgoing seizure)
Yellow	Call in progress	Call in progress
Flashing green	Ringing	Ringing

34 Compact T1 - Release 6.1