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Chapter 2

Preliminary Steps

This chapter provides instructions on the steps to be taken before you actually start installing and configuring your GT 80. It includes the following topics:

Collect the Hardware You Need

Gather the Information You Need

Set up Your PC to Communicate With Your GT 80

Check Your Local Ethernet Network

Collect the Hardware You Need

 Before you start installing your GT 80, you need to have the following on hand.
To connect . . . You need . . .
your PC to the GT 80 Console port

 a null-modem cable with an RS-232 9-pin connector. (Supplied with your GT 80 with a 9-pin to 25-pin adapter.)

the GT 80 to a LAN

 an Ethernet 10BaseT hub for each LAN connection

the GT 80 from its Ethernet ports (ETH 1 and ETH 2) to two Ethernet (10BaseT) hubs

straight-through 10BaseT cables

the GT 80 to a telephone line

 a modem

the GT 80 from its RS232-DTE port to the modem (for connection to a WAN)

 an RS-232 serial cable with a DB-25 female connector

the modem to the telephone line

 a telephone cable

to a Frame Relay network

 a CSU/DSU

to a CSU/DSU that has a V.35 connector

 a V.35 cable and an RS-232/V.35 converter

Note: You also need a PC running Windows 95 or NT 4.0 or later.

Gather the Information You Need

The worksheets in Appendix C (page 39) provide a listing of the information you need to configure your GT 80:

Note: You need to collect this information from your Internet Service Provider (ISP), network administrator, and/or Frame Relay provider.

Set up Your PC to Communicate With Your GT 80

There are two ways to communicate with your GT 80:

Using a Terminal Emulator

If you are running Windows 95 or Windows NT 4.0, you can use the HyperTerminal application.

1. Click the Start button and select Programs, Accessories, and HyperTerminal.
2. In the HyperTerminal window, select HyperTerminal (Hypertrm.exe).
3. In the Connection description window, enter a name for your router (for example, gt80) in the Name field, select any icon to represent your terminal emulation, and click OK.
4. In the Connect to dialog screen, in the Connect using field, select the appropriate COM port to use (for example, COM1) and click the OK button.
5. In the COM1 Properties screen, select the following settings:
a. Bits per second: 9600
b. Data bits: 8
c. Parity: None
d. Stop bits: 1
e. Flow control: None
6. Click the OK button.

TCP/IP on an NT 4.0 System

1. Click the Start button (lower left-hand corner of your Windows screen).
2. Click Settings
3. Click Control Panel.
4. Double-click the Network icon.
5. Click the Protocols tab.
6. Double-click TCP/IP Protocol.
7. Click the IP Address tab.
8. Record your PC's current IP Address so that you have it if you need to reconfigure your PC to communicate over its original network.
9. Enter the IP Address 192.168.1.x (where x is in the range of 2-254) and set the Subnet Mask to 255.255.255.0.
10. Enter the following Default Gateway IP address: 192.168.1.1. This is the default Ethernet IP address that your router comes with.

11. Click the DNS tab.
12. Enter a Host Name (usually the login name to the ISP).
13. Enter a Domain name (usually the ISP's name followed by .com). Check with your ISP for the correct name.

14. In the DNS Server Search Order pane, click the Add button.
15. Enter the IP address of the DNS server that you received from your ISP.
16. Click the Add button; then click the OK button.
17. At the Network window, click the OK button.
18. Restart your PC now.

TCP/IP on a Windows 95 System

1. Click the Start button (lower left-hand corner of your Windows screen).
2. Click Settings.
3. Click Control Panel.
4. Double-click the Network icon.
5. Click the Configuration tab.
6. Double-click TCP/IP.
7. Click the IP Address tab.
8. Record your PC's current IP Address so that you have it if you need to reconfigure your PC to communicate over its original network.
9. Enter the IP Address 192.168.1.x (where x is in the range of 2-254) and set the Subnet Mask to 255.255.255.0.
10. Click the Gateway tab.
11. Enter a following New Gateway IP address: 192.168.1.1. This is the default Ethernet IP address that your router comes with.

12. Click the Add button.
13. Click the DNS Configuration tab.
14. Select Enable DNS.
15. Enter a Host name (usually the login name to the ISP).
16. Enter a Domain name (usually the ISP's name followed by .com). Check with your ISP for the correct name.

17. Enter the IP address of the DNS server that you received from your ISP under DNS Server Search Order.
18. Click the Add button; then click the OK button.
19. At the Network window, click the OK button.
20. Restart your PC now.

Check Your Local Ethernet Network

 Check the physical connections between the PCs on your network and the Ethernet hub.

1. Check the status lights on the hub's ports and each PC's network interface card (NIC). If the Link status lights are on, the connections are OK.
2. Run Ping from one PC to another to check that each PC can communicate over the network. If this works, your local network is operating properly.


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