Hardware Technical Reference Manual
ONSP ports utilize the same loss plan setting as regular ONS ports
Trunk Circuits
The following table lists trunk circuits, software and loss plan abbreviations, and the hardware
device that is used to support a particular trunk circuit.
The Loss Plan Matrices for countries supported by the 3300 ICP are provided in the following
section. The values in these tables are in decibels (dB) and represent the voice path loss from
a particular port to a particular port.
To determine the port-to-port loss for a given connection:
1. Look up the first port in the Port column on the left side of the applicable Loss Plan Matrix.
2. Follow this row across to the second port’s column.
For example, to determine the loss for an abONS to abACOs connection in Australia, find the
abONS row and then follow the row to the abACOs column. The port-to-port loss is 1 dB.
Table 84: Trunk Circuits
Trunk Circuit
Abbreviation
Supporting Hardware
Software Mitel Loss Plan
IP WAN WAN 3300 ICP Ethernet Ports
Analog Board Analog CO Trunk abACO abACO Analog Main Board and Analog
Option Board
Analog Board Analog CO Trunk
Short
abACO(s) abACOs Analog Main Board and Analog
Option Board
Analog Board Analog CO Trunk
Extra Long
abACOhl abACOhl Analog Main Board and Analog
Option Board
ASU Loop Start Trunk iACO iACO ASU
ASU Loop Start Short Trunk iACO(s) iACOs ASU
ASU II CO Trunk abACO abACO ASU II and AX
ASU II CO Trunk Short abACO(s) abACOs ASU II and AX
ASU II CO Trunk Extra Long abACOhl abACOhl ASU II and AX
ISDN Trunks ISDN DCO BRI NSU
DS1 A-law Digital Tie Trunk DTT(DA) DCO Universal NSU
DS1 µ-law Digital Tie Trunk DTT(DU) DCO Universal NSU
Note: These matrices are loss plans, so a positive number represents a loss and a
negative number represents a gain.
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