Chapter 9: Troubleshooting
HSIM-W6 User’s Guide 201
Troubleshooting HSIM-W6 Hardware

Power (PWR) LED is OFF

•Check that the power connection is firmly attached to the back panel of the HSIM-W6, and the
other end to an active power source.

Processor (CPU) LED is OFF

If the CPU stays OFF for an extended amount of time, and the power (PWR) light remains on, the
CPU is in an unknown state.
•Contact Cabletron Systems Global Call Center for technical support (refer to Getting Help in
Chapter 1).
Table 32 HSIM-W6 WAN Status (STS) LED States for HDSL Ports
LED Color State
Status (STS)
OFF Normal or disabled
RED One or both loops not synchronized
AMBER Not used
AMBER (blinking) Port in test mode
GREEN Full (both loops synchronized)
Fractional (one lop synchronized)
Table 33 HSIM-W6 WAN Status (STS) LED States for S/T Ports
LED Color State
Status (STS)
OFF Normal or disabled
RED Not used
AMBER Not used
AMBER (blinking) Port in test mode
GREEN B1 or B2 active