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Setting the FXS Transmit and Receive Levels
9/24/01 8-5
Figure 8-2: Accessing the FXS-ID Cards
Table 8-2: FXS Signaling Summary
Option
Number
Switch
A
Switch
B
Switch
C
Signaling
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).