Siemens HiPath 1100 Service Manual page 43

3.4 Motherboard (MB)
Introduction
The MB is the main board for the HiPath 1100 system. The MB provides all functions required
for PABX operation.
Functions
CLIP - external calling number identification (service must be provided by local carrier)
●
Central Processing Unit (CPU)
●
DTMF generator and detector
●
Conference circuits
●
Tone generators
●
Music source
●
Memory (software + client's data base)
●
Digital switch
●
Signaling
●
Fax/DID.
●
Warning
!
FAILURE TO REPLACE BATTERY WITH SPECIFIED BATTERY TYPE CAN CAUSE
RISK OF EXPLOSION. DISCARD USED BATTERIES ACCORDING TO INSTRUC-
TIONS.
3.4.1 HiPath 1120
Outputs/Inputs
8 interfaces for standard telephones with 4 for system telephones
●
2 external analog lines
●
Mini DIN-6 connector for V.24 adapter
●
Mini DIN-4 connector for USB adapter
●
Power supply
●
Baby Board VCC Module;
●
A31003-K1160-S100-03-7620
Service Manual
Modules
Motherboard (MB)
3-8