Specifications

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3-12 Cisco 2500 Series Hardware Installation

Cable Pinouts

Table 3-8 EIA/TIA-232 DTE and DCE Serial Cable Pinouts (DB-25)

1. Any pin not referenced is not connected.

25

Pin

1

Signal

Direction

DTE DCE

25

Pin Signal

Direction

DTE DCE

J2-1 Shield GND _ J2-7

Shield

Circuit GND

–

–

–

J2-2

Shield

TxD

–

—>

–

J2-8

Shield

DCD

–

<—

–

J2-3

Shield

RxD

–

<—

–

J2-15

Shield

TxC

–

<—

–

J2-4

Shield

RTS

–

—>

–

J2-17

Shield

RxC

–

<—

–

J2-5

Shield

CTS

–

<—

–

J2-18

Shield

LTST

–

—>

–

J2-6

Shield

DSR

–

<—

–

J2-20

Shield

DTR

–

—>

–

J2-24

Shield

TxCE

–

—>

–