Comtech EF Data RCU108 - Manual (Page 21)

RCU108 1:8 Protection Switch Installation
TM066 - Rev. 1 Page 2-11
6 DSR----to pin 4 DSR ---to pin 4 2
7 RTS----to Pin 8 RTS----to Pin 8 4
8 CTS----to pin 7 CTS----to pin 7 6
9 N/C TXData\ 8
NOTE: In order to obtain these signals at the output connector, the jumper configuration on the
AS/3048 Controller PWB must have been performed as outlined in Appendix B. A summary of
jumper selections is as follows:
Configuration JP4-1 JP4-2 JP4-3 JP4-4 JP4-5 JP4-6 JP3 JP5 JP6 JP7 JP8
RS232 OUT OUT OUT OUT IN IN OUT OUT IN OUT OUT
RS422 IN IN IN IN OUT OUT OUT* OUT OUT OUT IN
RS485 IN IN IN IN OUT OUT OUT* OUT OUT OUT IN
485 1/2 DPLX IN OUT OUT IN OUT OUT OUT* IN OUT IN IN
* Receiver terminations for twisted pair RS422/485 can be optionally terminated at 120 ohms by
installing JP3. Factory-supplied cables for multiple converter "daisy chain" operation are
terminated at the cable ends.