4
X
E1/G.703 P
LESIOCHRONOUS
M
ULTIPLEXER
O
PERATING
M
ANUAL
IOA77-1F
46
May 2007
7.3 Mechanical
parameters
Symbol Feature
Value
Width 224.5
mm
Height
52.5 mm (incl. feet)
Depth 238
TM-77.1
Weight 1.3
kg
Digital card
Interface card
Width
20.5 mm
20.5 mm
Height
130.5 mm
130.5 mm
Depth
147 mm
148 mm
MD-77.1
Weight
0.16 kg
0.17 kg
7.4 Environmental
requirements
7.4.1 Operation
The devices may operate in unevenly heated closed rooms in the following environmental
conditions:
Environmental
Parameter
Allowable
value
Ambient temperature
+5
÷
+40
O
C
Air relative humidity
≤
80% at +20
O
C
7.4.2 Transport
The devices should be transported in the original packaging in the following conditions:
Environmental
Parameter
Allowable
value
Ambient temperature
-25
÷
+40
O
C
Temperature change rate
≤
10
O
C/h
Maximum air humidity
95%
Atmospheric pressure
700
÷
1060 hPa
Multiple surges
5
÷
15 g in time of 10 ms
