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PCI-based ISDN BRI card for use on WAN side, that provides 1 RJ-45 and two B channels of 64 Kbps each. This module runs ISDN, ETSI, and BRI. This module is used in the VX900 only; this module is not applicable to the VX900C.

BRI Connector

Signals associated with the pins in the BRI connector are shown below.

BRI Connector Pins

RJ-48 Connector Pinouts

EIA 5681B (RJ-48)

Pin#

T/R Pair

Tx+ (transmit-positive)

1

5R

Tx- (transmit-negative)

2

2T

Rx+ (receive-positive)

4

5R

Rx- (receive-negative

5

2T

No connection

3, 6, 7, 8


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