Specifications

Pin Number Name EIA designation Type
Note
1 DCD Data Carrier Detect Output
2 TX Transmit Data Input
3 NC - - No Connection
4 NC - - No Connection
5 NC - - No Connection
6 RX Receive Data Output
7 DSR Data Set Ready Output
8 DTR Data Terminal Ready Input
9 GND Ground Ground
10 NC - - No Connection
11 CTS Clear To Send Output
12 RTS Request To Send Input
13 RI Ring Indicator Output
14 RESET Input Pull low to reset
15 NC - - No Connection
2.3.5 4-Pin connector (Power input/output)
A cable, included in the package shall be used for power supply connection:
Pin assignment of 4-Pin connector:
Pin number Name
Functions
1 - No Connection
2 - No Connection
3 POWER - DC power negative input (or ground)
4 POWER + DC power positive input
The power cable included in the package shall be used for power supply connection:
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3603-9, 36/F., 118 Connaught Road West, Sheung Wan, Hong Kong
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