Juniper SSR120, Hardware Manual

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Table 3: Network Port LEDs on SSR120
State and Description Color LED
The link is up. On Link
The link is down. Off
The link is up and there is traffic on the port. Blinking Activity
The link is up but there is no traffic on the port. On
The link is down. Off
SSR120 Power System
The SSR120 uses an external AC to DC power adapter.
Table 4 on page 14 lists the specifications for the power supply adapter.
Table 4: Specifications for the SSR120 Power Adapter
Maximum Power
Consumption
Power Adapter Output
(DC) Power Adapter Input (AC) Model
32.5 W 12V DC, 5 A 100-240V AC, 50-60 Hz, 2 A SSR120
32.5 W 12V DC, 5 A 100-240V AC, 50-60 Hz, 2 A SSR120-AA
32.5 W 12V DC, 5 A 100-240V AC, 50-60 Hz, 2 A SSR120-AE
Cooling System
The cooling system of the SSR120 consists of a single fan. The fan controller on the appliance monitors
the temperature of the chassis and adjusts the fan speed according to the temperature. The SSR120
appliances have front-to-back airflow. See Figure 6 on page 15 .
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