Aastra 470 - Call Charge Modules

Expansion Stages and System Capacity
59
Aastra 470 ab R3.0
syd-0337/1.5 – R3.0 – 05.2013
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. 23 Call charge modules
Type
Number of modules per
4FXO trunk card
Number of modules per
8FXO trunk card
Number of modules per
16FXO trunk card
4TAX
1)
1)
The availability of the call charge modules depends on the sales channel.
1––
8TAX
1)
–1–
16TAX
1)
––1