H3C MSR Router Comware 5 Series Manual page 188

Figure 179 Connecting a telecommunication device
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If the remote device is a bank dumb terminal device, connect the RJ-45 connector (male) on
one end of the dumb terminal cable to the RJ-45 interface on the asynchronous serial port
adapter cable. Connect the RJ-45 connector (female) on the other end of the dumb terminal
cable to the RJ-45 interface on one end of the dumb terminal adapter by a straight-through
cable. The other end of the dumb terminal adapter is a D25 interface and can be connected to
the bank dumb terminal device. The sequence is shown in the following figure:
Figure 180 Connecting the dumb terminal device
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If the interface of the remote device, usually a modem, is a D25/D9 interface, use the AUX cable
to connect the asynchronous serial port adapter cable to the interface:
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