Carrier Access AB II manual Update Intervals

Analog Ports

•Loop-reverse-battery signaling

•Network-provided reverse-battery signaling

•E&M signaling

•Customer-installation-provided loop-start supervision.

8.2.1Update Interval

The Update Interval window graphically represents the user-selected interval for updating the infor- mation on this screen. Set the interval by dragging the slide control up and down with your mouse cursor. To turn off updates, put the slide control at its lowest position.

Figure 8-2: Update Intervals

The interpretation of the signaling bits for D4 framing are as follows:

D4 (SF) Framing Format

See the legend at the end of this table for explanations of abbreviations.

Signaling Type	State		Receive (Network-		Transmit
			to-Subscriber)		(Subscriber-to-
					Network)
	Rx	Tx	A	B	A	B
Loop-start	LCF	LO (on hook)	0	1	0	1
signaling (FXO-
FXS)
	Ringing	LC (off hook)	0	0	1	1
Loop-start	LCF	LO (on hook)	0	1	0	1
signaling with
RLCF (FXO-FXS)
	RLCF	LC (off hook)	0	1/0	1	1

LCFO

1

1

8-5