Enterasys Networks CSX7000 User Manual download pdf (Page 60)

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101

USER’S GUIDE

60 CyberSWITCH

Hardware Characteristics

Processor: Intel 80C186

Speed: 16 Mhz

Number of Ports: 4

Connector: RJ-45

Interface: Point-to-Point, Point-Multipoint for single device

MTBF: 75000hours

MTTR: 0.25hour

BRI-1 B

ASIC RATE ADAPTER

The BRI-1 provides a single basic rate port with a standard S/T interface for attachment to an ISDN

basic rate line. This adapter can take advantage of such services as NTT’s INS-64, BOC’s Centrex

ISDN Basic Rate and PBX’s basic rate lines.

Hardware Characteristics

Processor: Intel 80C186

Speed: 16 Mhz

Number of Ports: 1

Connector: RJ-45

Interface: Point-to-Point, Point-Multipoint for single device

MTBF: 75000hrs

MTTR: 0.25hour

BRI C

ONNECTION

The BRI adapter uses the four wire S/T ISDN Interface. Each basic rate line will connect to a RJ-45

connector at the back of the system. Refer to the following table which provides the pin and signal

assignments for the BRI RJ-45 connector(s).

Pin and Signal Assignment for the BRI RJ-45 Connector(s)

Note: For NTT lines, if the line has a Termination Resistor, remove it from the line jack. These

jacks are marked by having their names end in “R” (for example: MJ-8SR or MJ-28SR).

BRI Pin Signal Function

1 NC No Connect

2 NC No Connect

3 TX+ to CO Transmit to Line (T)

4 RX+ from CO Receive from Line (T)

5 RX- from CO Receive from Line (R)

6 TX- to CO Transmit to Line(R)

7 NC No Connect

8 NC No Connect

1 2 ... 55 56 57 58 59 60 61 62 63 64 65 ... 728 729

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Enterasys Networks CSX7000 User Manual Page 60

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