User`s manual

EM1500 User’s Manual www.rabbit.com 23
4.2 Back Panel of EM1500
The connectors on the back panel are shown in the following figure. Please note that pin 1 is PF2 on the
2x5 IDC header.
Figure 4.2 Back Panel of EM1500
The connectors on the back panel are described in the following table.
Table 4.3 Back Panel Description
Connector Description of Use
DE9, male For connection to RS-232 serial port (SER1) wired as a DTE.
DE9, female For connection to RS-232 serial port (SER2) wired as a DCE.
2x5 IDC header
For connection to configurable serial port (SER3):
• 3-wire, pins 3 (Rx), 5 (Tx), and 9 (GND)
• 5-wire, pins 3 (Rx), 5 (Tx), 4 (RTS), 6 (CTS) and 9 (GND)
• 9-wire, see Figure 4.5 for pins used.
For connection to 3-wire serial port (SER4). This is only available if
SER3 is configured as a 3-wire port.
• 3-wire, pins 4 (Tx), 6 (Rx) and 9 (GND).
1x9 IDC header Digital I/O, GND, and the SPDT relay come out on this header.
IN0
IN2
GND
IN1
NO
NC
OUT0
OUT1
PF1
COM
PF3 PF4
PF2
RLY IN
OUT
PF0
GND
2x5 IDC
header
1x9 IDC header
DE9 F
DE9 M
SER 2 / RS-232
SER 1 / RS-232
Rx4
Tx4
Tx3 Rx3
SER 3 / SER 4