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Cabling ERX Routers
Task 2: Connect the Grounding Cables
All ERX routers have two grounding studs located in the rear of the chassis, near
the power inpu
ts. Each stud provides grounding for a single power unit.
To ground each
power unit:
1. Locate the gro
unding studs on the router (Figure 26 and Figure 27).
2. Remove the nuts and locking washers from the grounding studs.
NOTE: We recommend a min im um of 10-AWG ground wire with a ring style
terminal.
3. Place the grounding cable lead on one of the grounding studs and tighten
the nuts to sec
ure the connection.
4. Connect the other end of the ground cable to the appropriate ground
termination l
ead.
5. Repeat Steps 3–4 for the remaining grounding stud.
NOTE: When grounding an ERX router, leave a servic e loop in the grounding cable
to ensure that the grounding cable is the last cable to disconnect from the shelf if
strain is plac
ed on the electrical cables.
Task 3: Conne
ct the Power Cables
To connect po
wer cab les to the router, follow th ese step s. Refer to
Figure 26, Figure 27, an d Fig ure 28 as needed.
ERX-7xx Mode
ls, ERX-14xx Models, ERX-310 Router (DC Model)
WARNING: Before you begin this procedure, e nsu re that all power switches are
in the OFF position.
1. Be sure you have completed Task 1 and Task 2 in the previous sections.
2. If applicabl
e, loosen the screws from the clear power input module cover
and remove it.
Cabling the Router for Power 63