Elmo SERVO AMPLIFIER DBP SERIES - Manual (Page 64)

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DBP - Rev 6/93
5.4 Communication Port Connector
The serial communication is available via a 9 pins D connector (Jc) with the
following pin assignment:
RS232
Pin Function
2 Receive
3 Transmit
5 Common
When using an IBM XT as an host, pins 4 and 5 should be connected together on the 25
pins D connector (computer side). When using an IBM AT as an host, pins 7 and 8
should be connected together on the 9 pins D connector (computer side).
RS485
Pin Function
5 Common
6,7 T/R -
8,9 T/R +