Owner`s manual

77
9.1.2 V71 RJ-45 CABLING FOR EIA-232
The V71 provides EIA-232 line interface on the EIA-232
RJ-45 modular port. Most serial computers, modems,
and printers do not have RJ-45 modular connectors.
Adapters are required to convert from DB-25 or DE-9
connectors to modular connectors. BayTech has a
complete line of RJ-45 adapters and cables that make
your installation quick and trouble free. Figure 14 and
Figure 15 are drawings of a RJ-45 receptacle and plug.
The pin number assignments are given.
The V71 EIA-232 modular port uses the following
signals:
EIA-232 RJ-45 PIN/SIGNAL DEFINITION
Pin EIA-
232
Signal
Directio
n
Description
1 DTR Output Handshake Out, enable/disable the receiving of characters
2 GND ---- Signal Ground
3 RTS Output +12V 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/A ---- Not Used
7 GND ---- Signal Ground
8 CTS Input Handshake In, enable/disable the transmission of