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The circuit breaker has a dual colored rocker. Pushing down on the left side of the breaker (ON/1) will close
the contacts and expose a red indicator that shows the user that the contacts are made (closed). To open the
contacts, push down on the right side (Off/O).
1. Check to ensure the source of the DC feeds to the Tenor CMS are turned off and the circuit breakers are in
the off position prior to making or removing any power wire connections.
2. Beginning with the wire attached to Earth Ground, strip away 0.33 in. (8.5 mm) of insulation. See Figure
3-9.
3. Insert the wire into the connector in the position shown in Figure 3-10.
4. Secure by tightening the clamping screw with a straight blade screwdriver of size 0.023x 0.137 (0.6 x
3.5mm). Screws must be torqued between a minimum of 4.4 lbs in (0.5 Nm) and a maximum of 5.3 lbs in
(0.6 Nm).
WARNING:
Do not over torque the screws.
5. Repeat steps 2-4 for the RTN and -48V source, in the following order: Ground, RTN, -48.
6. Close the on-site upstream (over current) protection device to supply power to the inlet (s) of the Tenor
CMS.
7. Close the circuit breaker(s) on the Tenor CMS. Verify that the STATUS LEDs on the power supplies are
green a few seconds after turn on.
P/N 480-0005-00-15
Figure 3-14 Strip away wire
DC Power Wire Strip Length
0.33 (8.5 mm)
0.25" (7.0mm)
Figure 3-15 Connector position
Chapter 3: Installation
10 - 14 AWG
3-15
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