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Reference 3-15

Cable Pinouts

Table 3-11 X.21 DTE and DCE Serial Cable Pinouts (DB-15)

1. Any pin not referenced is not connected.

15

Pin

1

Signal

Direction

DTE DCE

J2-1 Shield GND –

J2-2

J2-9

Transmit+

Transmit–

—>

—>

J2-3

J2-10

Control+

Control–

—>

—>

J2-4

J2-11

Receive+

Receive–

<—

<—

J2-5

J2-12

Indication+

Indication–

<—

<—

J2-6

J2-13

Timing+

Timing–

<—

<—

J2-8

Shield

Circuit GND

–

–

–

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 57 58

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