Power Supply
The Cisco IR1101 comes with an external DC power connector. The 4-pin power entry connector (receptacle)
is mounted to the unit. The 4-pin power entry mating connector (plug) is attached to the receptacle. It is
removed during installation and used to connect to the DC power source, then reattached to provide power
to the unit.
Refer to Figure 11 for the location and values of the power connector.
Figure 11: Power Connector Pin-Outs
DescriptionNamePin
Number
DC Power Positive InputDC In +1
DC Power ReturnDC In -2
Alarm CommonALM
REF
3
Alarm InputALM IN4
RJ45 Ports
The IR1101 supports one ISOLATED RS232 port which conforms to EIA-561 standard.
The RJ45 pinouts are shown in Figure 12 .
Figure 12: S0 Characteristics
The RS232 port is a DTE and its pin out is shown in Table 10: S0 Details, on page 24.
IR1101 Industrial Integrated Services Router Hardware Installation Guide
23
Product Overview
Power Supply
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