Ethernet pinouts – Digi CM User Manual
Page 148

Ethernet Pinouts
148
Chapter 17
DB-9 Male Modem Adapter (Digi 8-pack reorder P/N 76000702)
(Available but not included)
DB-9 Male Modem to RJ-45 Pin Assignment
Ethernet Pinouts
The Digi CM uses a standard Ethernet connector, that is a shielded and
compliant with AT&T 258 specifications.
RJ-45
Signal
DB-9M
Signal
1
CTS
Connected to
8
CTS
2
DSR
Connected to
6
DSR
3
RxD
Connected to
2
RxD
4
GND
Connected to
5
GND
5
DCD
Connected to
1
DCD
6
TxD
Connected to
3
TxD
7
DTR
Connected to
4
DTR
8
RTS
Connected to
7
RTS
Pin #1
Pin #8
Pin #5
Pin #1
Pin #6
Pin
Description
1
Tx+
2
Tx-
3
Rx+
4
NC
5
NC
6
Rx-
7
NC
8
NC