Connect Tech Titan/cPCI - Manual (Page 32)

Titan/cPCI User’s Manual, Connect Tech Inc.
28 Revision 1.01
Example
The following example shows the settings on JA, JB, JC and JD
where port 1 is terminated on RTS ± and TxD ±, the
RS-422/485 port 2 is set for bias/termination on RTS ±, TxD ±,
CTS ±, and RxD ±, the RS-422/485 port 3 is not terminated,
and port 4 is set for RS-232 and therefore should not be
terminated
JA
1
2
3
4
5
6
7
8
JB
1
2
3
4
5
6
7
8
JC
1
2
3
4
5
6
7
8
JD
1
2
3
4
5
6
7
8
Port 1 Port 2 Port 3 Port 4
Jumper Legend
1 = RS-232/RS-422/485
select
2 = RS-422/485 half
duplex mode control
3 = RTS +/- termination
4 = TxD +/- termination
5 = CTS +/- termination
6 = CTS +/- termination
7 = RxD +/- termination
8 = RxD +/- termination
Technical Notes:
1. For full duplex, half duplex and multi-drop slave you can
jumper position 2 on the jumper block.
2. For RS-232 port jumper position 1 on the jumper block.