14
DC power supply
Figure 15
DC power supply
(1) Power input LED
(2) Power output LED
(3) Over-temperature alarm LED (4) Power fault LED
NOTE:
A DC power supply has the same LED behaviors as an AC power supply. For more information, see
Table 7
DC power supply specifications
Item Description
Rated input voltage range
–48 VDC to –60 VDC
Max input voltage range
–42 VDC to –72 VDC
Startup voltage range
–44 VDC to –72 VDC
Max input current
60 A
Max output power
1800 W
Power monitoring module
The power monitoring module is vertically installed between the power supply slot area and the power
switch. It monitors the alarm status, in-position status, and operating status of the power supplies in real
time.
Summary of Contents for S12500 Series
Page 40: ...30 Figure 28 Installing an upper expansion cable management bracket 1 2 3 4 5 6 7...
Page 109: ...99 Figure 74 Replacing a card for the S12504 A Card to be removed B Card to be installed...
Page 149: ...139 Figure 85 Loopback operation on an optical transceiver...
Page 164: ...154 Figure 100 Example of a device label...
