Avaya 03-300430 User Manual

Note:

TN230x circuit packs are not interchangeable.

Under ATM Circuit Emulation Service (CES), simulate ISDN-PRI circuits by assigning ports to 
signaling groups.  Each signaling group represents a PRI circuit, and the ports in the group 
represent the D channel and B channels of that circuit.

Non-facility associated signaling is not supported under ATM-CES, so you must reserve one 
port in each signaling group for use as a D channel. Use channel 24 when emulating a T-1 
ISDN facility, and channel 16 when emulating an E-1 facility.  The D channel can be any 
physical port from 9 to 32.

The TN230x can support a varied number of virtual circuits, depending on the switch and the 
administration of the circuit pack. 

You cannot bundle physical DS1 ISDN-PRI circuits and virtual ATM-CES circuits into the same 
trunk groups.  Virtual circuits can only be assigned to all-virtual, all-ATM trunk groups.

The ATM circuit pack LEDs give you a visual indication of the condition of the TN230x circuit 
pack (

Red

Error (alarm logged)

On

Red & 

Green

Booting (LEDs being tested)

Blinking (on 200 ms, off 200 ms)

Green

Test/maintenance in progress

On

Amber

Fiber Loss of Signal (LOS), LOF, 

MS_RDI, MS_AIS, LCD, HP_RDI, 

HP_AIS, LOP, PSC 

Blinking fast (100 ms on, 100 ms off)

Amber

Signal to ATM switch down

Blinking slowly (500 ms on, 500 ms off)

 1 of 2