iPECS eMG80 - Page 46

iPECS eMG80
Hardware Description and Installation Manual Issue 1.3
39
Figure 4.6-1 EMBU
The following are included on the EMBU:
 4 CO Line interface circuits
 8 Hybrid interface circuits
 1 External Relay contact for LBC or general purpose
 1 Alarm Detection circuit
 1 PFT circuit [CO1 connects to the last SLT port(STA8)]
 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.