A-6 Issue 4 February 1997
363-208-011
Applications
E&M Signaling Interconnections
Circuit Numbering
VF channel numbering is from 1 to 96 at each of the eight MDS shelves (4 MDS
Assemblies). Signaling leads, E, M, SB, SG are associated with the channel slots,
1 to 24 on each MDS shelf. Figure A-2 depicts a typical cross-connect block,
indicating the first channel number for each slot. Observe the binder color coding
for each 50 pair cable.
Derived pair numbering for the outside plant (OSP) cables at the MDF is in blocks
of 100 pairs with the following association for the possible 768 channels.
Table A-2. OSP Cable Pair/MDS E&M Channel Numbering
Protector Blocks
UL
approved installations require a protected wire system which consists of
Lucent Technologies Protectors on all outside plant telecommunications circuits.
Lucent Technologies standard circuit 4C1E-W (black) or special circuit 4C3E-W
(red) protectors and building entrance cable shall be located as specified in Article
800-2 of the National Electric Code, ANSI/MFPA number 70-87.
OSP MDS
Cable Pair Shelf Channel Connector
001 - 096 1 1 - 96 J105 & J106
101 - 196 2 1 - 96 J205 & J206
201 - 296 3 1 - 96 J105 & J106
301 - 396 4 1 - 96 J205 & J206
401 - 496 5 1 - 96 J105 & J106
501 - 596 6 1 - 96 J205 & J206
601 - 696 7 1 - 96 J105 & J106
701 - 796 8 1 - 96 J205 & J206
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