F8916-L Series IP MODEM User Manual
Xiamen Four-Faith Communication Technology Co.,Ltd.
Page 15 of 39
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RS232 RX (TTL logic level)
7
TX2
RS232 TX
Reserved compatible ADC and
RS232 TX (TTL logic level)
8
A
RS485 anode
Reserved compatible ADC
9
B
RS485 cathode
Reserved compatible ADC
10
IO1
GPIO
Reserved compatible pulse wave
input counter, ADC, and pulse output
11
IO2
GPIO
Reserved compatible pulse wave
input counter, ADC, and pulse output
12
ADC1
ADC
N/A
Installation of cable:
IP MODEM adopts industrial terminal block interface. The recommendatory cable is
28-16AWG. The detail description of standard layout adapter and communication cables
as is following:
Adapter
(
Rating Output 12VDC/0.5A
):
Cable Color
Power Output Polarity
Black &White Alternate
Anode
Black
Cathode
RS232 Cable
:
Cable Color
Corresponding DB9-M Pin Number
Brown
Pin 2
Blue
Pin 3
Black
Pin 5
RS485 Cable
:
Cable Color
Signal definition
Red
RS485(A)
Black
RS485(B)
Power adapter and communication cable connection chart as following: