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Chapter 3

Setting Up the Router Hardware

This chapter provides the steps for setting up your router's hardware connections. It includes the following topics:

Router Connections

Connecting to Your PC

Connecting to an Ethernet

Connecting to a WAN

Connecting to a Power Source

Router Connections

 Your router's back panel has connectors for connecting your router to

Note: The crossover switch allows you to set your router to communicate with either your PC or an Ethernet hub over the ETH1 port. This switch does not operate with ETH2.

Connecting to Your PC

 There are two ways of connecting your router to your PC:

Via the Console Port

 To connect a PC or terminal directly to the router, use the supplied 9-pin to 9-pin null-modem cable and, if needed, the 9-pin to 25-pin adapter. You can communicate with your router via its Console port. The following figure shows how to connect a PC or terminal directly to the router.

Via the Ethernet Ports

You can connect the router to your PC via either of its two Ethernet ports.

If you are connecting your router to your PC via ETH1,

1. Connect one end of a 10BaseT straight-through cable to the ETH1 connector on the router back panel.

2. Connect the other end of the 10BaseT cable to the Ethernet connector on your PC.

3. Set the PC/Hub crossover switch on the router back panel to PC.

If you are connecting your router to your PC via ETH2,

1. Connect one end of a 10BaseT crossover cable to the ETH2 connector on the router back panel.

2. Connect the other end of the 10BaseT cable to the Ethernet connector on your PC.

Note: The crossover switch on the router's back panel does not work with the ETH2 connection.

Connecting to an Ethernet

Use a 10BaseT cable to attach your router to an Ethernet 10BaseT hub. When you connect your router to the same Ethernet hub that your PC is connected to, the router can communicate with the PC via the hub.

1. Connect one end of the 10BaseT cable to one of the ETH connectors on the router back panel.

2. Connect the other end of the cable to an Ethernet (10BaseT) hub.

Notes:

Connecting to a WAN

 You can connect your router to the Internet or another WAN by using the Point-to-Point Protocol (PPP) over either a dialup telephone line or a dedicated (leased) line or by using a Frame Relay network. To connect the router to a

Using PPP

 To connect the router to a PPP WAN,

1. Connect the router to an external modem.

You must purchase the appropriate cable from an OpenROUTE Networks vendor. See Selecting a WAN Cable on page 21.

Note: The GT900 Series router supports both asynchronous and synchronous modems.
2. Connect the modem to the telephone line with an RJ-11 cable.

Using Frame Relay

 To connect the router to a Frame Relay WAN,

1. Connect the router to an external Channel Service Unit/Digital Service Unit (CSU/DSU).

You can purchase the appropriate cable from OpenROUTE Networks. See Selecting a WAN Cable on page 21.

Note: The GT900 Series router works with any of the major CSU/DSU products on the market.

2. Connect the CSU/DSU to the Frame Relay switch.

Selecting a WAN Cable

 The type of WAN cable you use depends on the interface type that the equipment you connect to supports. To connect to a device that has a Data Communications Equipment (DCE) connector, use a Data Terminal Equipment (DTE) cable. To connect to a device that has a DTE connector, use a DCE cable.

To be sure that you are using the proper cable to connect your WAN module, check the part number on the cable with the information in the following table.
To connect a GT900 Series router to . . . Use cable type . . . Part Number
an external asynchronous modem.

 RS-232 DTE

 P4730-09

an external synchronous modem, a modem eliminator, or a CSU/DSU.

(Whether you use RS-232, V.35, or X.21, depends on which type of communication the equipment you connect to supports.)

RS-232 DTE

V.35 DTE

X.21 DTE

 P4730-09

P4730-08

P4730-10

another router that has a DTE connector. (In this case, you must set up the router to provide clocking.)

(Whether you use RS-232, V.35, or X.21, depends on which type of communication the equipment you connect to supports.)

RS-232 DCE

V.35 DCE

X.21 DCE

 P4730-12

P4730-11

P4730-13

Note: To connect the router to a modem or CSU/DSU, the modem or device must be full-duplex and provide clocking for both transmitting and receiving.

Connecting to a Power Source

Your router has an internal power supply.

1. Connect an AC power cord to the power supply.

2. Plug the power cord into a grounded wall outlet or power strip.

When the PWR light on the front of your router is on, the router is receiving power.


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