Figure 13: Example Alarm Reporting Device; Table 11: Alarm Relay Contact Electrical Specifications - Juniper SRX5400 Hardware Manual

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Table 11 on page 25 shows the electrical specifications for the alarm relay contacts.

Table 11: Alarm Relay Contact Electrical Specifications

Maximum Voltage
Maximum Current
Figure 13 on page 25 shows an example wiring diagram for a simple alarm reporting
device. In this case the device is a 12-volt light bulb that illuminates when the device
encounters a condition that activates the major alarm LED and relay contacts. The alarm
relay contacts can also be used to activate other devices such as bells or buzzers.

Figure 13: Example Alarm Reporting Device

SRX5400 Services Gateway Craft Interface Overview on page 17
SRX5400 Services Gateway Craft Interface Online/Offline Buttons on page 21
Connecting an SRX5400 Services Gateway to an External Alarm-Reporting Device on
page 185
Connecting the Alarm Relay Wires to the SRX5400 Services Gateway Craft Interface
on page 251
Alarm Relay Contact Wire Specifications for the SRX5400 Services Gateway on page 123
Chapter 3: Chassis Description
Current Type
AC DC
250 30
8 A
25