Specifications
Table Of Contents
- AT-8900 Series Hardware Reference
- Contents
- Models Covered By This Reference
- Why You Should Read This Reference
- Where To Find More Information
- Hardware Description
- Online Documentation
- AT-TFTP Server
- Using Windows Terminal and Windows Hyperterminal
- Switch Start-up
- RS-232 Terminal Port (ASYN0)
- Useful Cables
- Test Facility
- Power Supply Units (PSUs)
- Port, Connector, and Cable Combinations
- Troubleshooting
- Expansion Options
- Restricted Procedures
- Contacting Us
24 AT-8900 Series Switch
C613-03075-00 REV A
Dimensions
•Height: 40.9 mm
• Width: 193 mm
• Depth: 130 mm
See the AT-PWR01 Quick Install Guide for information about Power Supply Unit
and Fan Only Module installation procedures.
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-8900 Series switches.
Other sources of useful troubleshooting information are:
■ http:// www.alliedtelesyn.co.nz/support/at8900
■ The AT-8900 Series Software Reference.
LEDs and What They Mean
The following tables outline how LEDs on AT-8900 switches report faults and
operational activities.
Table 8: Cable guidelines for AT-8900 Series switches.
Model Port Type Connector Type Cable Type
1
Maximum Cable Length
AT-8948 10BASE-T/100BASE-TX RJ-45 CAT5
CAT5E
120 m Max
AT-8948 1000BASE-X Varies with SFP Refer to SFP user
documentation
Refer to SFP user
documentation