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Appendix E
E.3.3 Testing the Ethernet connection using the Ping Program (Optional)
To verify that connectivity and settings are correct, use the Ping command to report if the Host
(Equipment) is correctly responding. This is accomplished by opening the MSDOS Command
Prompt and executing a Ping command as shown in the following example.
1. Open MSDOS Command Prompt. The Screen will display:
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.
2. At the Command Prompt Enter "ping 172.18.100.215" (Enter the IP Address of the
equipment to be tested). The screen will display:
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.
C:\> ping 172.18.100.215
3. If the ping is successful the screen will display:
4. If the ping is unsuccessful the screen will display:
Check the following items that may lead to the unsuccessful response:
a. Verify that the correct cables are connected to the Ethernet port and that they
are secured.
b. The Link Light is illuminated.
c. The IP Address that is used matches the Modem's IP Address.
d. The Server and Modem are on the same subnet.
E-6
C:\>ping 172.18.100.215
Pinging 172.18.100.215 with 32 bytes of data:
Reply from 172.18.100.215: bytes=32 time=109ms TTL=64
Reply from 172.18.100.215: bytes=32 time<1ms TTL=64
Reply from 172.18.100.215: bytes=32 time=2ms TTL=64
Reply from 172.18.100.215: bytes=32 time=123ms TTL=64
Ping statistics for 172.18.100.215:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 123ms, Average = 58ms
C:\>ping 172.18.100.215
Pinging 172.18.100.215 with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Ping statistics for 172.18.100.215:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
DMD50 Universal Satellite Modem
TM118 – Rev. 1.1
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