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Safety-Related Electrical,
Physical, and Environmental
Information
Electrical and electronic information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-1
Physical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-4
Safety certifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-5
Site specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-5
See the Edge Access and Broadband Access Safety and Compliance Guide for safety
instructions and country-specific information.
Warning
Broadband Access Safety and Compliance Guide.
Electrical and electronic information
Electrical and electronic information for Stinger MRT units includes specifications,
universal service order code (USOC) information, ground wire size, and
electromagnetic interference (EMI) class.
Electronic and electrical specifications
The Stinger MRT is nominally powered from a -48Vdc source. This source is wired to
a power filter on the left side at the front of the chassis.
Caution
!
provide a method of disconnecting the unit from power, as required by national and
international safety standards UL 1950 and IEC/EN60950.
Table D-1 describes Stinger MRT electronic and electrical specifications.
Table D-1. Stinger MRT electronic and electrical specifications
Application
-48Vdc
Stinger® MRT Getting Started Guide
Before installing your Stinger MRT unit, be sure to read the Edge Access and
The -48Vdc power source must include a double pole circuit breaker to
Specification
Original MRT 19 and MRT 23: 150 watts (W)
maximum
MRT -SR (standard reach): 130 watts (W) maximum
SHDSL MRT: 130 watts (W) maximum
D
D-1
D-4
D-5
D-5
D-1
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