Specifications

2 AT-8900, AT-9900, AT-9900s Series Switches
Software Release 3.0.2
C613-03092-00 REV C
Management Ports ......................................................................................... 28
RS-232 Terminal Port (ASYN0) .................................................................. 28
Out-of-Band Ethernet Management Port .................................................. 28
Cables ............................................................................................................ 29
RS-232 Terminal and Modem Cables ........................................................ 29
RJ-45 to DB9 female terminal cable .................................................... 29
RJ-45 to DB9 male modem cable ....................................................... 30
Cables for RJ-45 Ethernet LAN Interfaces .................................................. 30
Pin assignments ................................................................................. 30
1000BASE straight-through cable ...................................................... 31
1000BASE crossover cable ................................................................. 31
Cable Guidelines ...................................................................................... 31
Troubleshooting Cables ............................................................................ 32
Cable test .......................................................................................... 32
Cable lengths .................................................................................... 32
Power Supply Units (PSUs) .............................................................................. 33
Hardware overview .................................................................................. 33
Approved PSUs and FOM ......................................................................... 34
LEDs on the PSU and FOM ........................................................................ 34
IPv6 Accelerator Card ...................................................................................... 34
How the card works ................................................................................. 34
Verifying installation ................................................................................. 34
Displaying information about the card ...................................................... 36
Memory Options ............................................................................................. 36
CompactFlash Card .................................................................................. 36
Approved CFlash cards ....................................................................... 36
Inserting and removing a CFlash card ................................................. 37
Displaying data about a CFlash card ................................................... 37
Testing a CFlash card .......................................................................... 37
Dual In-line Memory Module (DIMM) ....................................................... 38
AT-9924T and AT-9924SP switches .................................................... 38
AT-9924T/4SP switch .......................................................................... 38
AT-9924Ts switch ............................................................................... 38
Verifying DIMM installation ................................................................ 38
Expansion Options .......................................................................................... 39
SFP ports .................................................................................................. 39
XFP ports .................................................................................................. 40
RJ-45 ports ............................................................................................... 40
Test Facility ..................................................................................................... 40
Testing Ethernet LAN Ports ....................................................................... 40
Diagnostics ..................................................................................................... 41
Enabling diagnostics mode ....................................................................... 41
Running a diagnostic program .................................................................. 42
Troubleshooting .............................................................................................. 43
What to check first ................................................................................... 43
L/A LED on a port is off ............................................................................ 43
Power LED is off ....................................................................................... 44
Fault LED is on .......................................................................................... 44
Additional resources ................................................................................. 44
For More Information ...................................................................................... 45
Document sets ......................................................................................... 45
Contacting us ........................................................................................... 45