Vertical SUMMIT IP
Hardware Description and Installation Manual
Issue 1.2
21
Figure 4.4.1-1 MBUAD
The following are included on the MBUAD:
4 CO Line interface circuits
8 DKT interface circuits
4 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 (STA12)]
1 RS-232C Interface circuit
1 LAN Interface & 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
Should AC Power fail, the last SLT port on MBU is connected automatically to CO1.
Connectors, Jacks and Switches
The following chart lists the various connectors for option boards, RJ modular jacks for
connecting CO Lines, Stations and miscellaneous functions, and switches on the Main
Board.
