Table 36: Site Electrical Wiring Guidelines for the Services
Gateway
(continued)
Guideline
Site Wiring Factor
To reduce or eliminate the emission of RFI from your site wiring:
•
Use twisted-pair cable with a good distribution of grounding conductors.
•
Use a high-quality twisted-pair cable with one ground conductor for
each data signal when applicable, if you must exceed the recommended
distances.
Radio Frequency
Interference (RFI)
Provide a properly grounded and shielded environment and use electrical
surge-suppression devices.
Strong sources of electromagnetic interference (EMI) can cause the
following damage:
•
Destroy the signal drivers and receivers in the device
•
Conduct power surges over the lines into the equipment, resulting in an
electrical hazard
NOTE: If your site is susceptible to problems with EMC, particularly from
lightning or radio transmitters, you may want to seek expert advice.
Electromagnetic
Compatibility (EMC)
CAUTION:
To comply with intrabuilding lightning/surge requirements, the intrabuilding
wiring must be shielded. The shielding for the wiring must be grounded at both ends.
Related Topics
J-SRX240 Services Gateway Power Specifications and Requirements on page 124
•
•
J-SRX240 Services Gateway Grounding Specifications on page 125
•
J-SRX240 Services Gateway Power Supply on page 20
J-SRX240 Services Gateway Power Specifications and Requirements
This topic provides details on the power requirement specifications and AC cord
specifications for your J-SRX240 Services Gateway.
Power Requirement Specifications
The AC power system electrical specifications for the J-SRX240 Services Gateway are
listed in Table 37 on page 124.
Table 37: Power Requirement Specifications for the J-SRX240 Services Gateway
Specification
Power Requirement
100 to 240 VAC
AC input voltage
50 to 60 Hz
AC input line frequency
124
PowerConnect J-SRX240 Services Gateway Hardware Guide
Summary of Contents for PowerConnect J-SRX240
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