Technical data

114200-D Rev 00
ix
Chapter 3
Operating the ARN
Understanding the ARN LEDs ........................................................................................3-1
Base Module LEDs ..................................................................................................3-2
Diagnostic LEDs ................................................................................................3-2
Ethernet 10BASE-T LEDs .................................................................................3-3
Ethernet 10/100BASE-Tx LEDs ........................................................................3-4
Ethernet 100BASE-Fx LEDs .............................................................................3-4
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
ISDN BRI LEDs (S/T or U Interfaces) ................................................................3-7
56/64K DSU/CSU LEDs ....................................................................................3-7
FT1/T1 and FE1/E1 DSU/CSU LEDs ................................................................3-8
X.25 PAD LEDs ..................................................................................................3-8
V.34 Modem LEDs .............................................................................................3-8
Ensuring a Successful Installation ..................................................................................3-9
Powering On and Off ....................................................................................................3-11
Resetting the ARN ........................................................................................................3-12
Removing a Flash Memory Card ..................................................................................3-13
Protecting Memory Card Files ......................................................................................3-14
Where to Go Next .........................................................................................................3-15
Chapter 4
Installing a WAN Adapter Module
Preparing for Installation .................................................................................................4-1
Downloading New Boot and Diagnostic Code .........................................................4-2
Powering Down ........................................................................................................4-2
Removing the Filler Panel ........................................................................................4-3
Removing an Adapter Module ..................................................................................4-5
Installing an Adapter Module ..........................................................................................4-6
What to Do Next .............................................................................................................4-8