3Com 3CRWPS10075-US User Guide - Page 58

Problem No. 4, Solution No. 4, If using TCP/IP

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58 CHAPTER 7: TROUBLESHOOTING ■ If using Ad-hoc mode, it is not possible for Wireless stations to connect to the Print Server, because its default mode is Infrastructure. You must use the wired interface for initial configuration. ■ If using Infrastructure mode, ensure that your Access Point allows connection by Wireless stations with a SSID of ANY or null (blank). ■ The Access Point itself has a blank (null) SSID. ■ If there is a setting Broadcast SSID or Allow SSID of ANY, this setting should be Enabled. If using the Wired 10/100BaseT interface: ■ Check the Hub. The link LED for the port to which the Print Server is connected should be ON. If it is Off, there is a problem in the network cable. To use both the Wireless and LAN interfaces, the Wireless mode must be set to "Ad-hoc". You must Power Off the Print Server before connecting or disconnecting the LAN cable. If using TCP/IP: ■ Ensure that there are no routers between the Print Server and the PC used for configuration. ■ Ensure that the PC used for configuration has the TCP/IP network protocol installed. Test its network connection by seeing if you can locate other LAN devices from the PC. For example, use Network Neighborhood and try to browser the network. Problem No. 4 I am using DHCP, and getting an IP Address conflict involving the Print Server. Solution No. 4 If the Print Server is left on, but the DHCP server is turned off, then the Print Server will retain its IP Address without the DHCP Server being aware of it. Simply reset the Print Server so it will obtain a new IP Address. This problem would also arise if you assigned static IP Address, which is within the range used by the DHCP server. If so, use another address which is NOT within the range used by the DHCP server.

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58
C
HAPTER
7: T
ROUBLESHOOTING
■
If using
Ad-hoc
mode, it is not possible for Wireless stations to
connect to the Print Server, because its default mode is
Infrastructure
.
You must use the wired interface for initial configuration.
■
If using
Infrastructure
mode, ensure that your Access Point allows
connection by Wireless stations with a SSID of
ANY
or null (blank).
■
The Access Point itself has a blank (null) SSID.
■
If there is a setting
Broadcast SSID
or
Allow SSID of ANY
, this setting
should be Enabled.
If using the Wired 10/100BaseT interface:
■
Check the Hub. The link LED for the port to which the Print Server is
connected should be ON. If it is Off, there is a problem in the network
cable.
To use both the Wireless and LAN interfaces, the Wireless mode must be
set to "Ad-hoc".
You must Power Off the Print Server before connecting or disconnecting
the LAN cable.
If using TCP/IP:
■
Ensure that there are no routers between the Print Server and the PC
used for configuration.
■
Ensure that the PC used for configuration has the TCP/IP network
protocol installed. Test its network connection by seeing if you can
locate other LAN devices from the PC. For example, use
Network
Neighborhood
and try to browser the network.
Problem No. 4
I am using DHCP, and getting an IP Address conflict involving the Print
Server.
Solution No. 4
If the Print Server is left on, but the DHCP server is turned off, then the
Print Server will retain its IP Address without the DHCP Server being
aware of it. Simply reset the Print Server so it will obtain a new IP Address.
This problem would also arise if you assigned static IP Address, which is
within the range used by the DHCP server. If so, use another address
which is NOT within the range used by the DHCP server.