Nortel Circuit Card Installation Manual page 849

• alternate connection to the serial maintenance port DS-30X
• Card LAN interfaces
DS-30X voice/signaling
DS-30X carries Pulse Code Modulation (PCM) voice and proprietary
signaling on the backplane between the ITG-P card and the SSC.
Card LAN
Card LAN carries card polling and initialization messages on the backplane
between the ITG-P card and the SSC.
Assembly description
The ITG-P card assembly consists of a two-slot motherboard/daughterboard
combination. A PCI interconnect board connects the ITG-P motherboard and
the DSP daughterboard.
NTVQ55AA ITG Pentium card
Circuit Card
Page 849 of 906
Description and Installation