Cisco 807 Hardware Installation Manual page 41

Industrial integrated services router
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Figure 2
Power Connector Pin-Outs
Table 1
Pin Number
Name
1
DC In +
2
DC In -
3
AC
4
AI
Wiring the DC Power and Alarm Connections
To connect the DC power and alarm connections on the IR807, follow these steps:
1.
Locate the power and alarm connector on the router front panel.
NOTE:
Your connector may not have the labels V RT A A.
In the labeled connector, the pins are:
V—Positive DC power connection
RT— Return DC power connection
A— Alarm Common
A— Alarm Input
2.
Identify the connector positive and return DC power connections. The connections left to right are:
1—Positive DC power connection
2—Return DC power connection
3—Alarm Common
4—Alarm Input
3.
Measure two strands of twisted-pair copper wire (18-to-20 AWG) long enough to connect to the DC power source.
Description
DC Power Positive Input
DC Power Return (GND-)
Alarm Common
Alarm Input
39
Color
Red
Black
N/A
N/A

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