Page 42 of 770 Description
553-3001-365 Standard 3.00 September 2004
Backplane interfaces
The backplane provides connections to the following:
• ELAN network interface
• TLAN network interface
• alternate connection to the DS-30X serial maintenance port
• Card LAN interface connectors
DS-30X voice/signaling
The DS-30X serial maintenance port carries Pulse Code Modulation (PCM)
voice and proprietary signaling on the IPE backplane between the ITG-P
24-port line card and the Intelligent Peripheral Equipment Controller
(XPEC).
Card LAN
Card LAN carries card polling and initialization messages on the IPE
backplane between the ITG-P 24-port line card and the Intelligent Peripheral
Equipment Controller (XPEC).
Assembly description
The ITG-P 24-port line card assembly is a two-slot motherboard and
daughterboard combination. A PCI interconnect board connects the
motherboard and the DSP daughterboard. See Figure 4 on page 43.
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