
Digi One, PortServer TS, and Multi-Port Serial Cards RJ-45 to DB-25M Modem
Adapter
90000609_A
Digi TS, RJ-45 to DB-25 Modem Adapter
For use with Digi One TS, Portserver TS 2/4/8/16, and Multi-Port Serial Cards with RJ45 connectors
Digi Cable Adapters allow you to connect your serial devices using commercially available CAT 5 cable of any length. Simply plug standard CAT 5
cable into your Digi Product, connect a Cable Adapter to the other end and plug the adapter into your device.
From
RJ-45
Signal Direction Signal To
DB-25
1 DCD DCD 8
2 RTS RTS 4
3 Ground Ground Shell
4 TxD TxD 2
5 RxD RxD 3
6 SG SG 7
7 CTS CTS 5
8 DTR DTR 20
Pin 1 Pin 1
Female RJ-45 8-pin Male DB-25
Cable Adapter not to scale
* Arrows indicate which direction the signal is flowing
Notes:
All RJ45 cable adapters are 8-pin.
When using this adapter with a modem or other applications that require DCD on pin 1, you must turn on altpin.
If altpin is turned off, the hardware signal on pin 1 becomes DSR instead of DCD.
This cable utilizes the CTS signal of the modem for hardware flow control (RTS/CTS).
Digi Part Number 76000700 Digi TS DB25M Modem Adapter (4-pack)
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