Figure 3-14: Rear Panel Connector Pin-Outs For Rs-232 Mode - Teledyne T300 Operation Manual

Getting Started
56
RS-232 COM P C
ORT ONNECTOR
Electronically, the difference between the DCE and DTE is the pin assignment of the
Data Receive and Data Transmit functions.
•
DTE devices receive data on pin 2 and transmit data on pin 3.
•
DCE devices receive data on pin 3 and transmit data on pin 2.
Figure 3-14:
The signals from these two connectors are routed from the motherboard via a wiring
harness to two 10-pin connectors on the CPU card, J11 (COM1) and J12 (COM2)
(Figure 3-15).
Teledyne API – Model T300/T300M CO Analyzer
P -
IN OUTS
Rear Panel Connector Pin-Outs for RS-232 Mode
06864B DCN6314