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ECB-862/862L
ECB-862/862L User’s Manual 21
3.8.1 External Speaker Select (CN10)
CN10 is a 4-pin connector for an external speaker. If there is no external speaker, the
ECB-862 provides an onboard buzzer as an alternative. To enable the buzzer, set pin 3-4
as closed.
External Speaker Select (CN10)
External speaker Onboard buzzer*
* default
3.8.2 COM2 RS-232/422/485 Select (J2, J1)
The ECB-862 series COM2 serial port can be selected as RS-232, RS-422, or RS-485 by
setting J2 & J1.
COM2 Select (J1, J2)
RS-232* RS-422 RS-485
* default
CN10
4
3
2
1
4
3
2
1
J1
1 4 7 10
3 6 9 12
1 4 7 10
3 6 9 12
1 4 7 10
3 6 9 12
J2
2 4 6
1 3 5
2 4 6
1 3 5
2 4 6
1 3 5