Cisco 2500 Series Instrukcja instalacji - Strona 8

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Również dla Cisco 2500 Series: Podręcznik konfiguracji (19 strony), Podręcznik wdrażania (23 strony), Podręcznik konfiguracji (50 strony), Podręcznik dla początkujących (47 strony)

Connecting the DC Power Supply

This section describes the DC power supply speciﬁcations and wiring.

Warning

can only be gained by service personnel through the use of a special tool, lock and key, or other means of security,

and is controlled by the authority responsible for the location. (To see translated versions of the warning, refer to

the Regulatory Compliance and Safety Information document that accompanied your router.)

DC Power Speciﬁcations

The DC power supply is intended for use in DC operating environments. Table 1 lists the power supply

speciﬁcations.

Table 1

Description

Power (input)

Wire gauge for power connections 14 AWG

1. AWG = American Wire Gauge.

Wiring the DC Power Supply

Follow the directions in this section to wire the terminal block.

Warning

To ensure that all power is OFF, locate the circuit breaker on the panel board that services the DC circuit, switch

the circuit breaker to the OFF position, and tape the switch handle of the circuit breaker in the OFF position. (To

see translated versions of this warning, refer to the Regulatory Compliance and Safety Information document that

accompanied your router.)

Note

14 AWG copper conductors only. The installation must comply with all applicable codes.

Take the following steps to wire the terminal block:

Step 1

Step 2

Warning

appropriate lugs at the wiring end, as illustrated. The proper wiring sequence is ground to ground, positive to

positive (line to L), and negative to negative (neutral to N). Note that the ground wire should always be connected

ﬁrst and disconnected last. (To see translated versions of this warning, refer to the Regulatory Compliance and

Safety Information document that accompanied your router.)

8 Installing Cisco AC and DC Power Supplies in Cisco 2500 Series Routers

This unit is intended for installation in restricted access areas. A restricted access area is where access

DC Power Supply Speciﬁcations

Design

Speciﬁcation

40W, –40 to –72 VDC

Before performing any of the following procedures, ensure that power is removed from the DC circuit.

This product is intended for installation in restricted access areas and is approved for use with

Attach the appropriate lugs at the wire end of the power supply cord.

Wire the DC power supply to the terminal block, as shown in Figure 9.

The illustration shows the DC power supply terminal block. Wire the DC power supply using the