
5-3
EIGHT SEGMENT BRIDGE
FAULT
PROBABLE CAUSE
CORRECTIVE ACTION
Steady green LED
Repeater requires
Reset SwitchMaster
illuminated in a
reset.
Bridge (See 5.2.2)
Unit with no
physical device
present
No console
Initialization
Reset SwitchMaster™
connection
failure
Bridge (See 5.2.2)
allowed by
software.
Incorrect console
Correct cable. (See
cable installed
NOTE below.)
User cannot see
Repeater requires
Reset SwitchMaster
rest of network
reset.
Bridge (See 5.2.2)
Node is aging
SwitchMaster™ Bridge
requires 5 minutes
to age addresses and
to learn new addresses
Loud fan noise
Fan failure
Contact TN Technical
Support.
1-800-260-1312
Table 5-1. Fault Isolation in the SwitchMaster™ Bridge
5. MAINTENANCE
NOTE
The DB9 serial port on the SwitchMaster™ Bridge is a DTE device. If the
DB9 serial port cable will be attached directly between two DTE
devices, use a null modem cable. If the cable will be attached to a 9600
baud modem, use a straight through DB9 cable. (See Appendix B.)