Contents
Devices Covered By This Document ................................................................... 4
Compatible Switches and Routers ....................................................... .............. 4
AT-AR048 Support ............................................. ........................................ 4
Hardware Overview ..... ..................................................................................... 6
Common Features ...................................................................................... 6
AT-AR040 NSM ...................................................................................... .... 7
AT-AR041 and AT-AR042 NSMs ................................. ................................. 9
AT-AR048 NSM ...................................................................................... .. 14
LEDs and What They Mean ....................................... ...................................... 17
Hot Swapping ................................................................................................. 20
Hot Swapping the AT-AR040 NSM with PICs ............................................ 20
Behaviour of Hot Swapped Interfaces ........................ ............................... 20
Troubleshooting .............................................................................................. 22
Obtaining Documentation and Resources ........................................................ 23