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RMM Rack Mount Modems; Quick Start Guide
1
2
RXD
DCE
RMM
TXD
RTS
CTS
DSR
GND
DCD
DTR
GND
3
4
5
6
7
8
20
1
13
25
14
R
T
T
T
T
GND
R
R
1
9
1
2
3
4
5
6
7
8
9
DCD
TXD
RXD
RTS
CTS
DTR
GND
DSR
R
R
R
T
T
T
GND
T
X
DCE
RMM
1
8
1
2
3
4
5
6
7
8
RTS
DTR
RXD
TXD
DCD
CTS
GND
GND
R
R
R
T
T
T
GND
DCE
RMM
1
6
1
2
3
4
5
6
Not Used
Not Used
RING
Not Used
TIP
Not Used
Figure 1. DB25F Modem Port (DCE)
Figure 2. DB9F Modem Port (DCE)
Figure 3. RJ45 Modem Port (DCE)
Figure 4. RJ11 Phone Line Port
