RUGGEDCOM RX1000P
Installation Guide
Chapter 3
Communication Ports
Serial Ports
21
NOTE
This product meets the applicable Industry Canada technical specifications.
The Ringer Equivalence Number is an indication of the maximum number of devices allowed to be
connected to a telephone interface. The termination on an interface may consist of any combination of
devices subject only to the requirement that the sum of the RENs of all the devices does not exceed
five.
Section 3.6
Serial Ports
The RX1000P supports serial cards with DB25 or RJ45 serial ports. Serial RJ45 ports can be run in RS232,
RS485 or RS422 mode.
NOTE
On power-up, all serial RJ45 ports default to RS485 mode. Each port can be individually set to RS232,
RS485 or RS422 mode through ROX . For more information, refer to the ROX User Guide for the
RX1000P.
NOTE
For information about how to connect devices configured to run in RS485 mode, refer to
“Connecting Multiple RS485 Devices”
.
All serial ports feature an LED that indicates the current state of the port.
State
Description
Green
Link activity detected
Off
No link detected
For specifications on serial ports, refer to
Section 4.5, “Serial Port Specifications”
The following is the pin-out description for DB25 and RJ45 serial ports:
1
25
13
14
Figure 21: Serial DB25 Port Pin Configuration
Pin
Name
Description
1
2
TxD
Transmit Data
3
RxD
Receive Data
4
RTS
Request To Send
5
CTS
Clear To Send
6
7
GND
Common Ground
8
DCD
Carrier Detect
9
10
11
