AT&T MERLIN LEGEND Installation & Maintenance Manual page 621

Unit Load Calculation Work Sheet
UNIT LOAD WORK SHEET
1. Number of modules in carrier (excluding power
supply module and processor module):
If fewer than 5, auxiliary power is not required.
If 5 or 6, continue to step 2.
2. Key or Behind Switch mode only:
Indicate configuration of lines; then go to step 5.
3.
Hybrid/PBX mode only:
Do all modules in the carrier have MLX and/or
analog multiline station jacks?
If no, auxiliary power is not required.
If yes, continue to step 4.
4.
Hybrid/PBX mode only:
Calculate the total number of MLX and analog
multiline telephones.
Number of MLX-20L telephones connected to
modules in the carrier
Number of MLX-28D telephones connected to
modules in the carrier
Number of 34-button analog multiline telephones
connected to modules in the carrier
Total of MLX-20L, MLX-28D, and 34-button
analog telephones
If total is less than 45, auxiliary power is not
required.
If total is 45 or more, continue to step 5.
D-2 Unit Load Calculation Work Sheet
Square
Modified
Yes
No