Specifications

MP-2100 HS-R Installation and Operation Manual Module Installation and Operation
Module Connections 2-3
2.3 Module Connections
Interface Data
The connection of user’s equipment to HS-R modules is made to the two 25-pin
D-type female connectors located on the module panel
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, that serves Channels 3 and 4, is similar.
Table 2-1 CH. 1-2 Connector, Pin Assignment
Pin Designation Direction Function
1 FGND - Frame ground
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 +12V OUT +12V regulated voltage output
10 -12V OUT -12V regulated voltage output
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