Cisco 3800 Series Specifications download pdf (Page 21)

Figure 14 DC Wire Routing and Attachment for Cisco 3825 Routers

Figure 15 DC Wire Routing and Attachment for Cisco 3845 Routers

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 3825 series integrated router.

Caution Dual sources with opposite-polarity grounding damage equipment.

In Figure 16, either the positive source terminal or the negative source terminal is tied to ground.

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COMPACT FLASH

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ACT

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PWR

RPS

AUX

PWR

AIM0

AIM1

PVDM0

PVDM1

PVDM2

PVDM3

Cable tie

Plastic covers

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Plastic cover

Cable tie

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ACT

SYS

PWR1

AUX

PWR1

SYS

PWR2

AUX

PWR2

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Cisco 3800 Series Specifications Page 21