Cabletron Systems W85 - Manual (Page 49)

HSIM-W85 User’s Guide 5-1
CHAPTER 5
TROUBLESHOOTING
5.1 TROUBLESHOOTING THE HSIM-W85
The following sections detail some of the problems encountered in
hardware, software, and firmware setups and the possible solutions. If a
problem persists, contact Cabletron Systems. Refer to
Section 1.8 .
5.1.1 Hardware Troubleshooting
No LEDs on
• Check the host platform to see if it is powered up.
• Check that the HSIM-W85 has been connected correctly, that the
connectors have no bent pins.
Link (L) LED is OFF
The WAN interface is not configured for operation. Power is off or the
HSIM-W85 is not connected properly.
Link (L) LED is RED
The WAN interface is configured, but there is no signal indicating that a
valid connection is present on the WAN interface.
• Check that the device at the other end of the segment is powered up.
• Use management to make sure that both WAN interfaces, local and
remote, are configured correctly.
• Check to ensure that the correct cable is being used. Refer to
Appendix A for details.
• Check to ensure that the cable has continuity and is installed correctly.
• For back-to-back testing, Cabletron Systems cable part number
9360106 can be used. Another known good HSIM-W85 can be
connected using this cable to test the unit.