Nortel Networks Option 11C - page 220

Page220 of 544 SystemController cards
553-3011-100 Standard14.00 January 2002
External connections to the ethernet port is provided by a 50-pin connector
located in the main cabinet. An NTDK27 Ethernet Adaptor cable adapts this
50-pin connector to the standard 15-pin AUI interface for a MAU.
Network Switching and signalling
Option 11C has thirty DS-30X loops. The main cabinet accommodates the
first ten loops, the first expansion cabinet accommodates the second ten
loops, the second expansion cabinet provides the third ten, the third expansion
cabinet provides the fourth ten, and the fourth expansion cabinet provides the
fifth ten.
Each IPE circuit card has a loop entirely dedicated to it. Every group of four
IPE card slots is programmed as an individual superloop. The superloop
configuration is as follows:
Table 6 9
Option 11C superloops
Main
Cabinet
First
Expansion
Cabinet
Second
Expansion
Cabinet
Third
Expansion
Cabinet
Fourth
Expansion
Cabinet
Card
Slot
CE
Loop
Super
Loop
Card
Slot
CE
Loop
Super
Loop
Card
Slot
CE
Loop
Super
Loop
Card
Slot
CE
Loop
Super
Loop
Card
Slot
CE
Loop
Super
Loop
120 011 —821 —32 31 —40 41 —64
221 012 822 32 32 40 42 64
322 013 12 23 32 33 44 43 64
423 014 12 24 32 34 44 44 64
524 415 12 25 36 35 44 45 68
625 416 12 26 36 36 44 46 68
726 417 16 27 36 37 48 47 68
827 418 16 28 36 38 48 48 68
928 819 16 29 40 39 48 49 72
10 820 16 30 40 40 48 50 72