iPECS eMG80 - Page 33

iPECS eMG80
Hardware Description and Installation Manual Issue 1.0
26
Figure 4.5.1-1 MBUA
The following are included on the MBUA:
 4 CO Line interface circuits
 1 DKT (Digital Key Telephone) interface circuit for Attendant station 100
 7 Hybrid (DKT or SLT) interface circuits
 1 External Relay contact for LBC or general purpose
 1 Alarm detection circuit, External Page port, and External MOH port
 Internal MOH (13 music resources)
 Built-in VoIP channels (default 2 channels, maximum 8 channels with license)
 Built-in VM channel (default 2 channels, maximum 4 channels with license)
 Master Clock Generation & PLL circuit
 1 PFT circuit [CO1 connects to the last SLT port (STA8)]
 1 RS-232C Interface circuit
 1 LAN Interface
 1 USB interface circuit
 PCM Voice Processing circuit (ACT2 - ASIC, voice switching, including DSP)
- PCM Tone Generation and PCM Gain Control
- Tone (DTMF / CPT / FAX) detection and CID Signal (FSK/DTMF/RUS CID)
detection
NOTE
When AC Power was failed, the last SLT port on MBU will be connected to CO1
automatically.