Figure 22: Dc-Input Power Terminal Block Wiring With Safety Cover - Alcatel 7750 SR-12 Installation Manual

Installing DC PEMs

Figure 22: DC-Input Power Terminal Block Wiring with Safety Cover

Follow these steps to wire the DC-input power terminal block:
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Step 7
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Remove the safety cover from the DC terminal block
Loosen the -VDC and RTN terminal nuts
Using the prepared DC power cable(s), connect the RTN positive/return (+) cable to the
(RTN) terminal according to local safety codes.
Replace the nuts and tighten with a torque wrench to 56 pound-inches.
Connect the VDC (-) cable to the top (-48V) terminal according to local safety codes.
Replace the nuts and tighten with a torque wrench to 56 pound-inches.
Replace the safety cover and secure into place by tightening the captive screws
(Figure 22).
SR12018
(Figure 20).
(Figure 21) and remove from the studs.
7750 SR-12