Specifications

Chapter 2 Installation and Operation Installation and Operation Manual
2-2 Connecting the Cables HS-RN MP-2100/2104 Ver. 12.6, MP-4100 Ver. 2.0
2.3 Connecting the Cables
Connection Data
Connector Pin Assignment
The connection of user’s equipment to HS-RN modules is made to the two 25-pin
D-type female connectors designated CH. 1-2 and CH. 3-4.
Table 2-1 lists the pin
assignment of the CH. 1-2 connector, which serves channels 1 and 2. The wiring of
the CH. 3-4 connector, which serves channels 3 and 4, is similar.
Table 2-1. CH. 1-2 Connector, Pin Assignment
Pin Designation Direction Function
1 FGND – Frame ground (connected through jumper)
2 TD1 IN TX data, channel 1
3 RD1 OUT RX data, channel 1
4 RTS1 IN Request to send, channel 1
5 CTS1 OUT Clear to send, channel 1
6 DSR1 OUT Data set ready, channel 1
7 SGND – Signal ground
8 DCD1 OUT Carrier detect, channel 1
9, 10 – – Not used
11 TXCLK2 OUT TX clock, channel 2
12 DCD2 OUT Carrier detect, channel 2
13 CTS2 OUT Clear to send, channel 2
14 TD2 IN TX data, channel 2
15 TXCLK1 OUT TX clock, channel 1
16 RD2 OUT RX data, channel 2
17 RCLK1 OUT RX clock, channel 1
18 RCLK2 OUT RX clock, channel 2
19 RTS2 IN Request to send, channel 2
20 DTR1 IN Data terminal ready, channel 1
21 DSR2 OUT Data set ready, channel 2
22 – – Not used
23 TXCLK-EXT2 IN External TX CLK, channel 2
24 TXCLK-EXT1 IN External TX CLK, channel 1
25 DTR2 IN Data terminal ready, channel 2