Comba Telecom Ltd. RS-5180 Manual De Usuario

 

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Comba Telecom 

Edition  

2.0 

Date

 

2001-06 

 

13 of 31 

 

3.  System Installation 

3.1.  Installation of Master Unit 

3.1.1 Dimensions 

Master unit rack is a standard  19 "  “portable frame ”. Its  external 

dimensions are as follows: 

W 

H 

D 

564mm 

800mm 

380mm 

Distance between screw fixing holes on the base of the rack are:   

Left to right: 524 mm   Front to back: 322 mm 

 

3.1.2 Space Requirements 

Master unit should be located indoor so that the space for maintenance 

and ventilatio n is ensured. Hence, it is suggested that the back and side of 

rack should be at least 80~100cm away from wall or other System.   

The place should have good ventilation, with ambient temperature of  0

~40   a n d  relative humidity 

≤

8 5 % .   Direct sunlight on the master unit should be 

avoided. 

 

3.1.3 Installation Method 

When shipped out of factory, the Master Unit is put into the cabinet 19 "  

6U  s t a n d a r d   r a c k

 while Interface Unit and power supply unit are put