Cisco 450 Руководство по установке оборудования - Страница 34
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Alternative Connections to Terminal and Modem
Auxiliary
Port
(DTE, RJ-45)
RTS
DTR
TxD
GND
GND
RxD
DSR
CTS
Alternative Connections to Terminal and Modem
Your Cisco VG450 Voice Gateway ships with an RJ-45-to-RJ-45 rollover cable and two adapters for connection
to a PC, a terminal, or a modem. If you want to use an RJ-45 straight-through cable or other adapters, see
Table A-4 for usable cable and adapter combinations.
Table 9: Alternative Terminal and Modem Connections
Cisco VG450 Port Connection
Console port to PC
Auxiliary port to modem
4
5
Gigabit Ethernet Port Pinouts (RJ-45)
Figure A-4 shows the RJ-45 connector wiring for the Gigabit Ethernet cable; Table A-5 lists the pinouts.
Note
Pinout shown is for category 3, 4, or 5 10/100BASE-T connection to an Gigabit Ethernet switch.
Cisco 450 Voice Gateway Hardware Installation Guide
32
RJ-45-to-RJ-45
RJ-45-to-DB-25
Rollover Cable
Adapter
"MODEM"
1
8
2
7
3
6
4
5
5
4
6
3
7
2
8
1
RJ-45 Cable Type
Straight-through
Rollover
Straight-through
An octal cable or RJ-45 breakout cable is equivalent to a rollover cable.
Modify the DB-25 adapter by removing the wire in pin 6 and placing it in the pin 8 position.
Modem Port
(DCE,
DB-25)
8
4
7
20
6
2
5
7
4
7
3
3
2
8
1
5
Adapter
DCE, DB-9 female
4
5
DCE
, DB-25, male
DTE2, DB-25, male
Cable Specifications and Information
RTS
DTR
TxD
GND
GND
RxD
DCD
CTS