5
X
RS-232,485 + 2
X
E
THERNET
/2 M
BIT
/
S
G.703 (G.704) M
ULTIPLEXER
O
PERATING
M
ANUAL
IOA81-1E
35
August 2004
8.4 Environmental
requirements
Operation
The TM-81 devices can work in closed rooms without uniform heating, in the following
environmental conditions:
Environmental parameter
Permissible value
Ambient temperature
+5
÷
+40
O
C
Relative humidity of air
≤
80% at the temperature of +20
O
C
Transportation
Multiplexers packed in original factory packaging can be transported by using land and air
transportation means at temperatures within the range of -25....+40
o
C.
Storage
TM-81 multiplexers should be stored in closed space and in the environment meeting
the following requirements:
Environmental parameter
Permissible value
Ambient temperature
-25
÷
+55
O
C
Relative humidity
5 % up to 90 %, below +40
O
C
Vibrations
Frequency: 10 Hz up to 55 Hz, amplitude: 0,15 mm
Duration: 10 cycles in three planes
Pollution level
Typical home or office environment
8.5 Power
supply
Parameter or feature
Version
marking
Value of the parameter or description of
feature
81-1-1
110
÷
230 V
1)
, 0 Hz/50
÷
60 Hz
Rated supply voltage
81-1-2
24
÷
50 V
1)
, 0 Hz
120 mA @ 110 V
81-1-1
90 mA @ 230 V
350 mA @ 24 V
Input current
81-1-2
210 mA @ 48 V
81-1-1
Power cord terminated with plug
Type of connector
81-1-2
Double screw-type terminal
1)
Permissible deviations: +10% for maximum value; -10% for minimum value.
