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3 v35 rear interface card – Cabletron Systems KBU64 Rackmount User Manual

Page 12

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Front and Rear Panels and Interfaces

80-10100001-09

2–5

2.2.3 V35 Rear Interface Card

The User and Link connectors are both 34 way female MRAC.

The pin assignments are as follows:

Pin
No.

Circuit
No.

Signal Name

Assuming configured as
DTE

A

101

Chassis Earth

Common return

B

102

Signal Ground/Chassis
Earth

Common return

P

103A

Transmit Data A

Generator

S

103B

Transmit Data B

Generator

R

104A

Receive Data A

Load

T

104B

Receive Data B

Load

C

105

Request to Send

Generator

D

106

Clear to Send

Load

E

107

Data Set Ready

Load

H

108

Data Terminal Ready

Generator

F

109

Data Carrier Detect

Load

Y

114A

Transmit Clock A

Load

AA

114B

Transmit Clock B

Load

V

115A

Receive Clock A

Load

X

115B

Receive Clock B

Load