Token Ring LEDs ...............................................................................................3-4
Expansion Module LEDs ..........................................................................................3-5
Ethernet LEDs ...................................................................................................3-5
Token Ring LEDs ...............................................................................................3-5
Serial LEDs ........................................................................................................3-6
Adapter Module LEDs ..............................................................................................3-6
Serial LED .........................................................................................................3-6
56/64K DSU/CSU LEDs ....................................................................................3-7
X.25 PAD LEDs ..................................................................................................3-8
V.34 Modem LEDs .............................................................................................3-8
Powering On and Off ....................................................................................................3-11
Resetting the ARN ........................................................................................................3-12
Where to Go Next .........................................................................................................3-15
Chapter 4
Powering Down ........................................................................................................4-2
What to Do Next .............................................................................................................4-8
Appendix A
xi