Call Charge Modules - Mitel Aastra 470 System Manual

3. 3. 1. 3

Call charge modules

Optional call charge modules are available for detecting charge pulses on ana-
logue network interfaces.
Fig. 14 Design of call charge modules
Call charge modules are fitted to FXO cards. The call charge modules available
match the number of ports on the FXO cards. Only 1 call charge module can be fit-
ted to each FXO card.
Tab. 25 Call charge modules
Number of modules per
Type
4FXO trunk card
1)
4TAX
1)
8TAX
1)
16TAX
1)
The availability of the call charge modules depends on the sales channel.
Aastra 470 as of R3.2
syd-0337/1.6 – R3.2 – 09.2014
Expansion Stages and System Capacity
Number of modules per
8FXO trunk card
1
–
–
Number of modules per
16FXO trunk card
–
1
–
–
–
1
55