Network Router User Manual
Table Of Contents
- V7122 Digital Gateway Installation Guide
- About This Guide
- How to Use This Guide
- Conventions
- Model Numbers for the V7122 Gateways
- Documentation Comments
- Notices
- Chapter 1: Quick Start
- Chapter 2: Installing the V7122 Gateway
- Chapter 3: Configuring the V7122 Gateway
- Chapter 4: Changing the V7122 Gateway Username and Password
- Chapter 5: Restoring and Backing Up the V7122 Gateway Configuration
- Chapter 6: Monitoring the V7122 Gateway
- Chapter 7: Upgrading the V7122 Gateway
- Chapter 8: Regulatory Information
- Appendix A: Obtaining Support for Your 3Com Product
- About This Guide
Figure 8 Pinout of RJ-45 Connectors
1 2 3 4 5 6 7 8
RJ-45 LAN Connector and Pinout
4, 5, 7, 8
not connected
1 = Tx+
2 = Tx-
3 = Rx+
6 = Rx-
For redundant operation it is recommended to connect each of the Ethernet
connectors to a different switch.
Connecting the Power Supply
Connect the V7122 gateway to the power supply using one of the following methods:
Connecting the AC Power Supply
To connect power when using a single AC power cable:
Attach one end of the supplied 100/240 VAC power cable to the rear AC socket and
connect the other end to the correct earthed AC power supply.
WARNING:
Units providing power sockets with three pins must be connected by service
personnel to a socket-outlet with a protective earthing connection.
To connect power when using a dual AC power cable:
1 Before connecting the dual AC power cable, see the note below.
2 Attach one end of the supplied 100/240 VAC power cables to the rear AC sockets and
connect the other end to a separate earthed mains circuits (for power source
redundancy).
V7122 Digital Gateway Installation Guide
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