iPECS eMG80 Installation Manual page 33

iPECS eMG80
Hardware Description and Installation Manual
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.
Figure 4.5.1-1 MBUA
26
Issue 1.0