Communication Server - Mitel Aastra 470 System Manual

– Voice path with A/D and D/A conversion (standard PCM, A-law)
– Transmission as per ES 201 168 (level country-specific)
– Constant-current loop supply approx. 25 mA (with loop resistance  1000 )
– Receive pulse or DTMF dialling
– CLIP display on all analogue terminal interfaces (only on 2 analogue terminals
simultaneously).
– Ringing supply 40...43 V 50 Hz at load 4k; no DC voltage overlay (country-
specific versions also with 25 Hz)
– No control key detection
– No charge signalling pulses
• For more technical details and cable requirements see
terfaces", page 145.
7. 3. 3

Communication server

Tab. 116 Dimensions and weights
Height
Width
Depth
Weight (with call manager card but without mains cord, interface
cards, modules and packaging)
Tab. 117 Electrical isolation of interfaces
Interface
Analogue network interfaces
Digital network interfaces BRI
Control input on FXS interface
Control output on FXS interface
Audio input on FXS interface
Tab. 118 Ambient conditions
Condition
Ambient temperature
Relative air humidity
Aastra 470 as of R3.2
syd-0337/1.6 – R3.2 – 09.2014
Aastra 470
0.2 kV Operating isolation
Operating isolation
no isolation
no isolation
no isolation
Aastra 470
5 °C to 45 °C
30 % to 80 %, non-condensating
Annex
"Multifunctional FXS in-
Aastra 470
85 mm
481 mm
380 mm
6.71 kg
263