Avaya 6424D+M User Manual page 75

5-2
INSTALLATION EXAMPLE: SYSTEM 85 AND DEFINITY GENERIC 2 WITH TRADITlONAL MODULES
Determining Block Quantities
The following computations show how the field requirements are converted into terminal blocks.
1. Green Field
A. Number of Cable pairs terminated =
B. Number of cross-connect blocks required =
2. Yellow Field
A. Auxiliary cabinet terminations:
12 cables
2 cabinets x
cabinet
B. CC cabinet termination:
12 cables
1 cabinet x
cabinet
C. Total pairs
D. Blocks needed:
300 pairs
900 pairs +
block
E. Spare blocks
F. Number of required blocks
3. Purple Field
A. Sizing largest module:
9 step carriers
8 cables
x
i
module carrier
1800 pairs
=
module
ii 2 MFAT/DS1 carriers
module
200 pairs
=
module
200 pairs 1800 pairs
+
iii
module module
2000 pairs + 300 pairs
iiii
block
module
= 7 blocks
module
25 pairs
=
x
cable
x 25 pairs =
cable
=
25 pairs
x
cable
4 cables 25 pairs
x
x
carricr cable
x module =
Subtotal Total Subtotal
Cable Cable Field
Pairs Blocks
Pairs
0
0
600
300
900
3
1
2
2000
Total
Total
Field MDF
Blocks
Blocks
0
4