Description
Main function of
TD***8:
1) Two-way
call and talkback.
2) Multifunctional
display when extension calls host
3) Two-wire
link without polarity.
4) Extension
could call continually.
5) Host
reserves the calling numbers when quene automatically.
6) Alarm
when the system is short circuit.
7) Funtion
of intensive care priority.
8) Display
screen with large four high-brightness digital tube.
9) Volume
of ringing is adjustable with *6 series.
*0) Could
fix the extension in toilet in case of urgent call
*1) Hand-free
calling feature with host
*2) Could
connect to computer and display on it(optional).
*3) System
broadcast function.
*4) Could
amend the room number on computer.
Main technical parameters of
TD***8:
1) The
temperature of working environment: **0℃~*0℃
2) Relative
humidity:≤*0℃
3) Voltage:**0VAC
*0Hz
4) Bus
voltage: *4VDC
5) Static
Power:＜*0W
6) Standby
current of extension: ≤**0ua
7) Calling
current of extension: ≤*0ma
8) System
Maximum capacity: *9doors
9) Longest
Working Line: ***0meters
*0) Distortion:
≤*0%
