Aastra OpenCom 100 Series Mounting And Commissioning User Manual page 244

Technical Specifications
OpenCom 131 (Cont.)
U ports
pn
for system telephones
– Supply voltage
– Supply power
– Range
a/b ports
for analogue terminals with pulse or
DTMF dialling, flash duration of 60 to
310 ms
– Supply voltage
– Supply power
– Feed current
– Range
V.24 port (COM)
for connection of a PC
– Range
Doorstation equipment interface card
for connection of doorstation equip-
ment
Contact load of actor
– Voltage range
Sensor
– Voltage range
242
Main module: 3 x to connect system ter-
minals, not DECT-enabled
40 V ± 10%
3 VA per U bus
pn
1,000 m
Main module: 8 x
40 V ± 10%
1.2 VA
25 mA
1,000 m
1 x (optional)
3 m
1 x (optional)
1.5 A / 125 V
U = 5 V...30 V
≈
Switched by low AC voltage
U = 6 V...24 V
~