Power Supply Per Terminal Interface - Mitel SMB Controller System Manual

C 3
HAPTER
Table 3.20:Average power requirements of terminals (Continued) (Sheet 2 of 2)
Expansion key module MiVoice
M535
Radio unit without power supply
unit SB-4+
Radio unit without power supply
unit SB-8
Radio unit with power supply unit
SB-4+/SB-8
ISDN terminal
Analogue terminals
1. Although no longer available, the phone is still supported.
2. An MiVoice M535 always requires a power supply unit
3. The value applies to radio units with hardware version "-2". The value for hardware version "-1" is 300 mW lower.
4. The value applies to each interface and to radio units with hardware version "-2". The value per interface for radio units
with hardware version "-1" is 150 mW lower.
5. The value depends greatly on the terminal type.
: With the planning application Mitel CPQ the power supply available for terminals is checked auto-
TIP
matically.

Power supply per terminal interface

The power supply per terminal interface is determined by the interface type. The interface load depends
on the following variables:
• Terminals used incl. auxiliary devices
• Bus configuration
• Line length and conductor cross-section
For information on the calculations refer to
MiVoice 5370, MiVoice 5380
DSI-AD2 interface
2 DSI-AD2 interfaces
1 or 2 DSI-AD2 interfaces
BRI-S interface
FXS interface
Terminal interfaces.
P
OWER SUPPLY CAPACITY
E S
XPANSION TAGES AND
2
0
3
1500
4
1350
lt; 100
5
approx. 500
approx. 500
S C
YSTEM APACITY
88