Chapter 3 - Technical Specifications
Confidential and Proprietary Information of ZTE CORPORATION 27
Waterproof and dustproof requirements: IP 5.5 level of the
International Electrotechnical Commission (IEC).
Internal battery: Four pieces of 12 V 100 Ah batteries
Rack weight: About 300 kg (without batteries and air conditioner)
Environment Conditions
Temperature:
Long-term: 15ºC ~ 30ºC
Optimal: 20ºC ~ 25ºC
Short-term: 0ºC ~ 45ºC
Humidity
Long-term: 30% ~ 75% RH
Optimum: 50% ~ 60% RH
Short-term: 20% ~ 90% RH
Note: The short-term working condition allowed means 48 hours in succession and
15 days accumulated per year at most.
System Performance Indices
Capacity
Analog subscribers only: 1,856 lines; ADSL subscribers only: 928 lines;
and 240 VOIP ports
Processing Capabilities
BHCA: 20K
Reliability
System cold startup time is less than five minutes.
Gateway availability is more than 99.999%, that is to say, the time
when the system is unavailable is less than five minutes per year.
System MTBF is greater than 69,000 hours.
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