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VX1410A & VX1420A IntelliFrame Mainframe Instruction Manual
Selecting the Correct Power Cord and Fuse
The standard IntelliFrame Mainframe comes with two power cords and three fuses.
Before installing the mainframe, you must determine the correct fuse and power
cord for your application. Use the following information to determine the
appropriate power cord and line fuse for either the VX1410A or the VX1420A
mainframes. This information is important to avoid overloading the power
distribution system and to comply with the National Electrical Code.
For mainframe loads in the nonshaded region of Figure 1–1, use the power cord
with the 15 A plug (Tektronix part number 161-0213-XX) or the power cord
with the 20 A plug (Tektronix part number 161-0218-XX). For high mainframe
loads combined with low input line voltages (shaded region), use only the power
cord with the 20 A plug.
Select the proper fuse based on the ranges shown in Figure 1–1.
Mainframe Power Consumption (Watts)
800
700
600
500
400
300
200
100
0
90 110
115
130 150 170 190 210 230 250
20AT Fuse
15AF Fuse
6.3AF Fuse
Power Cord with 20A plug (NEMA 5–20P) ONLY.
Power Cord with 15A plug (NEMA 5–15P)
or Power Cord with 20A plug (NEMA 5–20P)
875
Figure 1–1: Power cord identification chart
Installation
This section describes the procedures to install your mainframe. It includes
procedures for installing the mainframe with the rackmount or cable tray options.
This section does not include specific procedures for installing modules in the
mainframe. Refer to your module documentation for information regarding the
module installation instructions.