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148 Chapter 9 Pinout reference

RJ-45 4-wire to DB-25M terminal/printer cable

From

RJ-45

Signal Direction Signal To DB-25

3 GND GND Shell

4 TxD

RxD 3

5 RxD

TxD 2

6SG

SG 7

1 DCD

RTS 4

* Arrows indicate which direction the signal is flowing

NOTES:

● This cable can only be used with Software Flow Control (Xon/Xoff).

● Some Unix operating systems require carrier to be present. If this is the case, altpin must be

turned on and the DCD-RTS wire added (in some cases it may be possible to wire DCD-RTS as the

fourth wire instead of GND).

1 2 ... 138 139 140 141 142 143 144 145 146 147 148

90000253_G 1
Table of Contents 3
4 Contents 4
Contents 5 5
6 Contents 6
Contents 7 7
Environmental requirements 8
Data rate information 8
EIA-232: DB-25 to DB-25 10
EIA-232: RJ-45 to DB-25 15
EIA-232: RJ-45 to DB-25 24
Interface signaling 26
Grounding requirements 26
Interface signaling 30
Termination information 30
RS 232/422/ 485 wiring 32
DataFire® 2000 sync adapter 33
Recommendations 34
X.21 pinouts 35
V.35 pinouts 35
EIA-232/V.28 pinouts 36
EIA-530/422 pinouts 37
Pinout reference 38
Cable wall mount options 39
*To order Digi Cable or 40
*Labeled on Cable or 40
Specifications: 46
Cable Parameters (OFNR, OFNP) 46
Loopback connector pinouts 47
76000451 56
Cable vendors 78
Table 1: DB-9 connector 82
Table 2: Terminal Block 82
Digi One SP DB-9 pinout 83
Async EIA-422 DB-25 pinout 85
DB-9F to DB-9M modem cable 95
DB-9F to DB-25M modem cable 96
DB-25F to DB-9M modem cable 97
DB-25F to DB-25M modem cable 98
Pinout reference 101
V.35 to DB-25M cabling 122
V.35 pinout 123
31 RTS9 P9-4 65 RTS10 P10-4 128
32 RI9 P9-22 66 RI10 P10-22 128
33 CTS9 P9-5 67 CTS10 P10-5 128
34 RXD9 P9-3 68 RXD10 P10-3 128

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