Adtec RD-71 - Page 10

COM1/COM2 to DB9 Serial Adapter
The COM1 and COM2 port is an industry standard RS-232 DTE device on RJ45/RJ48. Units
ship with RJ45 to DB9 adapters that are pinned per the following.
DB9 PIN
DB9 Function
RJ45 Pin
RJ45 Function
1
Carrier Detect (CD)
2
No Connect / Carrier Detect (DCD)
2
Receive Data (RXD)
6
Transmit Data (TXD)
3
Transmit Data (TXD)
5
Receive Data (RXD)
4
Data Terminal Ready
(DTR)
1
Data Set Ready (DSR)
5
Ground (GND)
4
Ground (GND)
6
Data Set Ready (DSR)
3
Data Terminal Ready (DTR)
7
Request to Send (RTS)
7
Clear to Send (CTS)
8
Clear to Send (CTS)
8
Request to Send (RTS)
9
Ring Indicator (RI)
NC / NA
No Connect / Not available on RJ45
10