Cable Specifications

Synchronous Serial Cable Assemblies and Pinouts

Table A-12. X.21 DCE Cable Pinouts (DB-60 to DB-15)

60 Pin

Signal

Description

Direction

15 Pin

Signal

Cable

 

 

 

 

 

 

 

 

J1-48

GND

Shorting group

Specifications

J1-47

MODE_2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J1-46

Shield_GND

Single

J2-1

Shield GND

 

 

 

 

 

 

 

 

J1-28

RxD/TxD+

Twisted pair no. 6

<—

J2-2

Transmit+

 

J1-27

RxD/TxD–

 

<—

J2-9

Transmit–

 

 

 

 

 

 

 

 

J1-1

CTS/RTS+

Twisted pair no. 1

<—

J2-3

Control+

 

J1-2

CTS/RTS–

 

<—

J2-10

Control–

 

 

 

 

 

 

 

 

J1-11

TxD/RxD+

Twisted pair no. 3

—>

J2-4

Receive+

 

J1-12

TxD/RxD–

 

—>

J2-11

Receive–

 

 

 

 

 

 

 

 

J1-9

RTS/CTS+

Twisted pair no. 2

—>

J2-5

Indication+

 

J1-10

RTS/CTS–

 

—>

J2-12

Indication–

 

 

 

 

 

 

 

 

J1-24

TxC/RxC+

Twisted pair no. 4

—>

J2-6

Timing+

 

J1-23

TxC/RxC–

 

—>

J2-13

Timing–

 

 

 

 

 

 

 

 

J1-15

Control_GND

Twisted pair no. 5

J2-8

Control GND

 

Shield

 

Shield

 

 

 

 

 

 

 

 

A-19

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Image 87
HP AdvanceStack Internet Router manual Table A-12. X.21 DCE Cable Pinouts DB-60 to DB-15