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Hardware Reference 55
C613-03087-00 Rev E
Figure 27: Pin wiring for modem cable to connect asyn port on AR725, AR745 or
AT-AR024 to DB9 male (modem) port
Figure 28: Pin wiring for modem cable to connect asyn port on AR750S, AR750S-DP, or
AR770S to DB9 male (modem) port
RJ-45
(to router)
DB9 Male
(to modem
1
2
3
4
5
6
7
8
9
2
5
6
3
4
8
7
1
←
←
→
→
→
→
←
←
(DCD)
(RXD)
(TXD)
(DTR)
(GND)
(RTS)
(CTS)
(RING)
Not connected
Notes:
(1) → Output from switch or router; ← Input to switch or router.
(2) Cable version 1.0.
modem_db9m
RJ-45
(to router)
DB9 Male
(to modem)
1
2
3
4
5
6
7
8
9
7
6
3
2
4
5
1
8
←
←
→
→
→
→
→
←
(DCD)
(RXD)
(TXD)
(DTR)
(GND)
(GND)
(RTS)
(CTS)
Not connected
Not connected
Notes:
(1) → Output from switch or router; ← Input to switch or router.
(2) Cable version 1.0.
modem_ar750_db9m