Spectra TFinity Site Preparation Manual page 24

Chapter 2 — Site Requirements
The two top pins are voltage inputs. The bottom pin is ground. As shown in
Figure
and the bottom pins are labeled C. Confirm the following measurements:
 The voltage from A to A or B to B should be less than 4 V.
 The voltage from A to B or B to A should be between 200 and 240 V.
 The voltage between any A or B pin to either C pin should be about 120 V.
Figure 9 Dual AC input voltage requirements.
Each library frame is rated at 200–240 VAC at 13 amps (2600 watts
maximum). This power rating is based on a main frame with 24 LTO drives
and 6 RIMs, which is the configuration for maximum power consumption
by a single frame. The frames are not rated at 120 VAC due to the high
current required to supply the product.
Due to electromagnetic interference (EMI) filtering in each dual AC power
supply, the leakage current for main frames and drive frames is such that
they require a secure connection from the chassis of the unit to an earth
ground.
Use one or more of the following methods for securing a ground
connection when installing a main frame or drive frame:
 Add cord lock brackets (Spectra Logic part number 5497) to all drive
 Use a cord with locking connectors at both ends, such as L6 20P to
 Use a dedicated external ground wire (Spectra Logic part number
March 2015
9, the top input voltage pins are labeled A and B, from left to right,
240 V
A
120 V
C
 Cord lock brackets and cords with locking connectors are not
Notes:
compatible and cannot be used simultaneously.
 Expansion Frame Power Modules do not require locking
cords or special grounding.
frames. See "Installing Cord Locks" in the Spectra TFinity Library User
Guide for more information.
locking C19 (Spectra Logic part number 9594).
91017013) from the chassis screw lug to the building's earth ground.
< 4 V
< 4 V
240 V
B
120 V
120 V
0 V
240 V
Site Preparation Guide—Spectra TFinity Library
Physical Requirements
240 V
A B
120 V
C
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