Nortel QPC757 Installation Manual page 9

Isdn primary rate interface
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xii
List of figures
Half group cabling without Echo Canceller . . . . . . . . . . . . . . . . . . . . .
Half group cabling with Echo Canceller . . . . . . . . . . . . . . . . . . . . . . .
PRI card (QPC720) switch settings . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 18
XT, 71 cabling without Echo Canceller . . . . . . . . . . . . . . . . . . . . . . . .
Figure 19
XT, 71 cabling with Echo Canceller . . . . . . . . . . . . . . . . . . . . . . . . . .
Option switch settings for PRI circuit card . . . . . . . . . . . . . . . . . . . . .
Figure 21
Option 81/81C cabling without Echo Canceller . . . . . . . . . . . . . . . . .
Figure 22
81/81C cabling with Echo Canceller . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 23
Option switch settings for PRI circuit card . . . . . . . . . . . . . . . . . . . . .
Figure 24
Figure 25
MSDL card layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 27 - NT5D12 faceplate - general view . . . . . . . . . . . . . . . . . . .
Figure 28 - DDP faceplate - detailed view . . . . . . . . . . . . . . . . . . . . . .
I/O panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
553-2901-200
Standard 11.00
August 1996
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