Carrier Access SNMP manual BRFXS/DPO Configuration Settings, Off

Battery Reversal FXS & Dial Pulse Origination Card

5.Press both card ejector latches in towards the FXS card to seat the 64-pin DIN connector in the matching connector on the internal Controller card.

6.Replace the back plate and tighten the thumbscrews.

9.6BRFXS/DPO Configuration Settings

The configuration of the Battery Reversal FXS/DPO card is set by a 4-position DIP switch and 12 individual channel test switches accessed through the ABI back plate. The settings for these switches are described in Table 9-2.

Table 9-2: Transmit and Receive Attenuation Switch Values

Switch

A

B

C TPIdle/Busy

Channel Test One switch per channel

Function	OFF	ON
Ringing Voltage	DPO Operation	2-wire FXS loop-start
	Ringing voltage never	operation: Cadenced (2-
	applied to CPE loop.	second/4-second)
		ringing voltage applied
		to CPE loop during
		incoming call
Ringback Tone	Ringback tone never	Cadenced (2-second/ 4-
	applied to network.	second) ringback tone
		applied to network
		during incoming call.
<Reserved>	Normal	<Reserved>
CPE loop state during	Forward battery applied	Reverse battery applied
Trunk Processing (TP)	to all CPE loops during	to all CPE loops during
	Trunk Processing.	Trunk Processing.
Individual channel busy	Normal channel	Channel is busy - reverse
	operation	battery applied to CPE
		loop; A/B bits to
		network are forced to 1/
		1. In addition, if Switch
		A is ON, 4 seconds of
		ringing voltage is
		applied to local loop,
		and if Switch B is ON, 4
		seconds of ringback tone
		is sent toward network.

9-20 9/24/01