Nokia 7368 ISAM ONT E-240G-B Product Manual page 86

Intelligent services access manager
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Replace an E-240G-B ONU
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Release 06.01.01 | June 2019 | Edition 09
To ground an E-240G-B ONU:
Danger 1 — Hazardous electrical voltages and currents can cause
serious physical harm or death. Always use insulated tools and follow
proper safety precautions when connecting or disconnecting power
circuits. For more information on grounding safety, see the Appendix -
Grounding
safety.
Danger 2 — Make sure all sources of power are turned off and have no
live voltages present on feed lines or terminals. Use a voltmeter to
measure for voltage before proceeding.
Danger 3 — Always contact the local utility company before connecting
the enclosure to the utilities.
a
An indoor desktop or wall-mounted E-240G-B ONU is grounded by the 3-pin power
adapter or a grounded UPS.
Warning — Do not connect the ground lug of the E-240G-B ONU for
indoor installations; the ONU is grounded by the power adapter or UPS.
b
An E-240G-B ONU mounted in an outdoor enclosure must be grounded with a
permanent ground wire.
Connect a single #6 to #14 AWG ground wire to the recessed ground lug on the
E-240G-B ONU; see Figure 38. The ground wire exits from the back of the ONU in the
same way as the cables.
Route up to four Ethernet cables to the RJ-45 ports, as shown in Figure
Connect the Ethernet cables.
Route up to two POTS cables to the RJ-14 ports, as shown in Figure
Connect the POTS cables.
If required, have approved service personnel who are trained to work with optic fiber clean
the fiber optic connection. See the 7368 ISAM ONT Configuration, Management, and
Troubleshooting Guide for more information about fiber optic handling, inspection, and
cleaning.
Danger — Fiber optic cables transmit invisible laser light. To avoid eye
damage or blindness, never look directly into fibers, connectors, or
adapters.
3FE-46261-AAAA-TCZZA
7368 ISAM ONT E-240G-B Product Guide
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and Figure 38.
and Figure 38.
Issue: 01

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