User's Guide

Electrical Specifications 4-5
September 2007
The typical power consumption for a full-height drive, half-
height drive, SNC 5100, and IBM 3592-J1A/TS1120 drive is
shown in
Table 4-4.
Table 4-3 Typical Module Power Consumption at 200 VAC, 60 Hz
Module Status AMP kW BTU/hr
CM Not ready (servo off) 1.5 0.21 716
CM
a
a. No drives installed, all power supplies powered on, and accessor ready
Ready (servo on)/Not moving 2.8 0.49 1,700
CM
b
b. Measured during constant maximum velocity of accessor and two moving
tower modules
Ready/Moving 4.4 0.83 2,840
CM
b, c
c. 12 IBM LTO drives with four SNC 5100s installed, read/write operations to all
drives
Ready/Moving
Read/Write operations
to 12 drives
7.3 1.67 5,698
DM
d
d. No drives installed and all power supplies powered on
Standby 1.8 0.22 750
DM
e
e. 24 IBM LTO drives with six SNC 5100s installed, read/write operations to all
drives
Read/Write operations
to 24 drives
8.9 1.78 6,073
DM
f
f. 16 IBM 3592-J1A/TS1120 drives, read/write operations to all drives
Read/Write operations to 16
IBM 3592-J1A/TS1120 drives
0.25 1.6 4,912
Table 4-4 Typical Component Power Consumption
Component Status Watts BTU/hr
Full-height drive Read/Write 55 188
Idle 10 34
Half-height drive Read/Write 27.5 94
Idle 8 27
SNC 5100 N/A 40 138
IBM 3592-J1A/TS1120
drive
Read/Write 43 307
Idle (cartridge loaded) 32 214
Idle (no cartridge loaded) 30 228