Carrier Access SNMP manual FXS Signaling Summary, Option Switch Signaling Number

Setting the FXS Transmit and Receive Levels

Figure 8-2: Accessing the FXS-ID Cards

Table 8-2: FXS Signaling Summary

Option	Switch	Switch	Switch	Signaling
Number	A	B	C	Option
0	OFF	OFF	OFF	Normal FXS A&B signaling for loop-
				start or ground-start; automatic selection
				based on carrier signal. FXS-ID card
				default.
1	ON	OFF	OFF	E&M wink-start-to-loop-start conversion
				with ringback to T1 line and calling party
				disconnect (Megacom, Notes 1 and 2).
2	OFF	ON	OFF	E&M wink-start-to-ground-start
				conversion with ringback to T1 line
				(Megacom, Note 1).
3	ON	ON	OFF	E&M immediate-start-to-loop-start
				conversion with ringback to T1 line and
				calling party disconnect (Megacom,
				Notes 1 and 2). Also known as Private
				Line Automatic Ringdown (D3 PLAR).

9/24/01 8-5