Cisco CISCO3725 Guía de instalación descargar pdf (Pagina 15)

Figure 8 DC Power Connections

Step 5 Install the plastic cover over the terminal block. (See Figure 9.)

Warning

The safety cover is an integral part of the product. Do not operate the unit without the safety cover installed.

Operating the unit without the cover in place will invalidate the safety approvals and pose a risk of fire and

electrical hazards. Statement 117

Step 6 Organize and secure the wires using cable ties as shown in Figure 9.

Step 7 Turn on power to the DC circuit.

Figure 9 Wire Routing and Attachment

Approved Scenarios and Scenarios Not Approved for Dual DC Power Supply Configuration

You can connect a single DC power source to either the A input or the B input. If there are dual power sources, connect one

source to the A input and one source to the B input. Both sources must be the same polarity (with respect to ground) and voltage

(within 0.25 volts). Do not connect –DC grounded and +DC grounded dual sources to a Cisco 3725 series router.

Caution Dual sources with opposite-polarity grounding damage equipment.

In Figure 10, either the positive source terminal or the negative source terminal is tied to ground.

95967

A ++B

Terminal

block

Negative DC input Positive DC input

Terminal

block

-DC, input B

Return, input B

Safety ground

Return, input A

-DC, input A

Return, input B

+DC, input B

Safety ground

+DC, input A

Return, input A

95823

BEFORE INSTALLATION

DSU

56K

SEE MANUAL BEFORE INSTALLATION

Cable tie

From DC

power

source

From DC

power

source

Plastic cover

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Cisco CISCO3725 Guía de instalación Pagina 15

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