Specifications

26 AT-8800 Series Switch
C613-03066-00 REV D
Port, Connector, and Cable Combinations
This section provides cabling guidelines for each switch model.
1. Refer to the IEEE 802.3 standards for further cable information.
Troubleshooting
This section provides information on how to detect and resolve problems with
AT-8800 Series switches and their expansion options.
Other sources of useful troubleshooting information are:
■ www.alliedtelesyn.co.nz/support/at8800/
■ The AT-8800 Series Software Reference.
LEDs and What They Mean
The following tables outline how LEDs on AT-8800 switches report faults and
operational activities.
System LEDs
Table 11: Cable guidelines for AT-8800 Series switches.
Model Port Type Connector Type Cable Type
1
Maximum Cable Length
AT-8824 and
AT-8848
10BASE-T/100BASE-TX RJ-45 CAT5
CAT5E
120 m Max
AT-8824 and
AT-8848
1000BASE-X Varies with GBIC Refer to GBICs user
documentation
Refer to GBICs user
documentation
Table 12: System LEDs found on the AT-8800 Series Switch.
LED State Function
RPS (Redundant
Power Supply)
Green An RPS is connected to the switch and is
supplying power.
FAULT Red The switch or management software is
malfunctioning. PSU fail.
PWR
(Power)
Green The switch is receiving power from the AC
power source.