GE GFK-1852 - Manual (Page 61)

6-14 VersaMax Serial to Ethernet Adapter User's Manual – July 2000 GFK-1852
6
RJ-45 VersaMax Nano/Micro PLC Serial Port Connector
Port 1 on the VersaMax Nano and Micro PLCs is an RS-232 port with an 8-pin RJ-
45 vertical jack. In addition to being a general serial communications port, this port
is also used as the boot loader port for upgrading the PLC firmware on these PLCs.
Note that the pin-out for this connector is different than that of the RJ-45 connector
on the VMSE.
Pin 1
RS-232, 8-Pin RJ-45
External View
Note: There is no shield or frame-ground or shield pin on this connector.
Pin Signal Direction Function
1 RTS Output Request to Send output
2 CTS Input Clear to Send input
3 RXD Input Receive Data input
4 TXD Output Transmit Data output
5 DCD Input Data Carrier Detect input
6 DTR Output Data Terminal Ready output
7 +5V Output +5VDC output to power external converters
8 GND -- 0V/Gnd signal reference
Figure 6-19. VersaMax Nano and Micro RJ-45 Serial Port Pin-Out
Note: The information on this page came from the VersaMax Micro PLCs and Nano
PLCs User’s Manual, GFK-1645.