Owner`s manual

M SERIES DAC

CABLING

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Figure 1: RJ-45 receptacle Figure 2: RJ-45 plug

The RPC RJ-45 control port uses the following signals:

EIA-232 RJ-45 PIN/SIGNAL DEFINITION

Pin EIA-232

Signal

Direction Description

1 DTR Output

+10V when activated by DCD. Toggles on logout for modem

disconnect.

2 GND ---- Signal Ground

3 RTS Output

+10V when powered is applied, not used as a handshake line

4 TX Output Transmit Data (data out)

5 RX Input Receive Data (data in)

6 N/C N/C No Connection

7 GND -------

Signal Ground

8 DCD Input

DCD into the RPC/Not used on RPC-2 MD01

Modem Communications: A modem can be connected to the EIA-232 serial port by

using a 25MRJ45MD-8 adapter (Figure 6). Several types of modem adapters are

available from BayTech. Contact an applications engineer for help in choosing the

correct adapter.