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Description
553-3001-202 Standard 1.00 April 2000
Backplane interfaces
The following interfaces are provided on the ITG backplane connector:
DS-30X voice/si
g
nalin
g
Carries PCM voice and proprietary signaling on the IPE backplane between
the ITG Trunk card and the Intelligent Peripheral Equipment Controller
(XPEC).
Card LAN
Carries card polling and initialization messages on the IPE backplane
between the ITG Trunk card and the Intelligent Peripheral Equipment
Controller (XPEC).
RS-232 serial maintenance port
An alternative connection to the serial maintenance port exists on the I/O
backplane. Use the NTCW84KA or NTMF94EA I/O panel breakout cable to
access the port. A DIN-8 serial maintenance port connection exists on the
faceplate. Do not connect two maintenance terminals to both the faceplate
and I/O panel serial maintenance port connections at the same time.
Assembly description
The ITG ISL Trunk card assembly consists of a two-slot
motherboard/daughterboard combination, as shown in Figure 6 on page 43. A
PCI interconnect board connects the ITG motherboard and the DSP
daughterboard.
CAUTION
The ITG ISL Trunk card is not user-serviceable. Figure 6 on page 43 is
for information purposes only. Do not remove the daughterboard from
the motherboard.