Aaeon PCM-6893 - Serial Port 3 RING Status Setup (J5); Serial Port 4 RING Status Setup (J6); Serial Port 2 Status Setup (J7)

Compact Board PCM- 6893
Chapter 2 Quick Installation Guide
2 - 13
2.11 Serial Port 3 RING Status Setup (J5)
J5 Function
1-2 +5V
3-4 +12V
5-6 RING *
* default setting
2.12 Serial Port 4 RING Status Setup (J6)
J6 Function
1-2 +5V
3-4 +12V
5-6 RING *
* default setting
2.13 Serial Port 2 Status Setup (J7)
The port 2 can be selected as RS-232, RS-422 or RS-485 by setting
both J8 and J9. The following chart shows the jumper setting.
J7 Function
1-3.2-4 RS-232 *
3-5.4-6 RS-422
3-5.4-6 RS-485
* default setting