3-12
3.
Connect the end of the blue DC power cord marked with – to the negative terminal (–) on the
power module.
4.
Connect the end of the black DC power cord marked with + to the RTN (+) terminals on the
power module.
5.
Put the flat washer and spring washer on the wiring terminal in turn and screw up the captive nut
with the M6 socket wrench. Repeat this step for the other three terminals.
6.
Put the protection cover on the wiring terminals and faster the captive screws.
7.
Connect the other ends of the DC power cords to power source.
a.
Connect the blue end to the negative terminal (–48V) on the power source.
b.
Connect the black end to the positive terminal (RTN) on the power source.
Figure 3-13 Connecting the power cord for a PSR1400-12D1 power module
(Optional) Installing transceiver modules and
network cables
WARNING!
Disconnected optical fibers or transceiver modules might emit invisible laser light. Do not stare into
beams or view directly with optical instruments when the switch is operating.
Installing an SFP+/SFP/QSFP+/QSFP28 module
CAUTION:
To avoid transceiver module or port damage, read this guide carefully before installing a transceiver
module.