Siemens OPTIPOINT 500 - Manual (Page 34)

Product Description
P31003-E8400-A100-3-7620
2-20 Service Manual
Technical Data
2.6 Technical Data
2.6.1 Asset ID
All telephones have a 32-bit asset ID, which is an electronically encoded serial number that is
set in the factory during final inspection. This number, combined with the phone ID (telephone
type), clearly identifies the telephone.
The asset ID is stored in four bytes, each composed of eight bits.
2.6.2 Environmental Conditions
Environmental conditions apply to all optiPoint telephones, adapters and key modules:
Significance of the bit field
Year Week Day Design Factory Test bay Serial no.
4 bits 6 bits 3 bits 3 bits 2 bits 2 bits 12 bits
32 MSB
*
* MSB = most significant bit
LSB
**
1
** LSB = least significant bit
Ambient temperature Relative humidity
Operation 5°C to 40°C 5% to 85%
Transport (short-term) -40°C to +70°C 95% at 45°C
Storage -5°C to +45°C 5% to 95%
Table 2-7 Environmental conditions