POSIFLEX PB-7700 Series, Technical Manual, Page: 39 / 49

PB-7700 series Technical Manual 6 - 3
COM2 PIN1/PIN9 SETTING
JP8 STATUS COM2 PIN1/PIN9 SETTING
1 – 3 short COM2 Pin9 connected to 5 V
3 - 5 short COM2 Pin9 connected as RI
2 – 4 short COM2 Pin1 connected to 12 V
4 - 6 short COM2 Pin1 connected as DCD
Please note that the 5 V DC supply should be selected only for supporting the
Posiflex serial devices that are designed to be powered from this source. Whenever
such Posiflex device is to be removed from this port, the 5 V DC supply must be
deselected.
COM3 PIN1/PIN9 SETTING
JP9 STATUS COM3 PIN1/PIN9 SETTING
1 – 3 short COM3 Pin9 connected to 5 V
3 - 5 short COM3 Pin9 connected as RI
2 – 4 short COM3 Pin1 connected to 12 V
4 - 6 short COM3 Pin1 connected as DCD
COM4 PIN1/PIN9 SETTING
JP10 STATUS COM4 PIN1/PIN9 SETTING
1 – 3 short COM4 Pin9 connected to 5 V
3 - 5 short COM4 Pin9 connected as RI
2 – 4 short COM4 Pin1 connected to 12 V
4 - 6 short COM4 Pin1 connected as DCD
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