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Ensure that the circuit breaker of the PDU is set to the OFF state. Insert the DC connector into the power
port of the chassis. Ensure that the two groups of power cables are connected to different wiring terminals,
and then tighten the screws of the power connector and the chassis.
CAUTION
If an external power box is used, cut off the input of the power box
before you connect power cables.
3
Installing E1 Cables
a
Optional: Connecting E1 Cables to the External Equipment
The MD1, ML1, SP3D, and SP3S boards provide the E1 port.
NOTE
For information about the pin assignment of an E1 cable, see the related table delivered with these E1 cables or
the cable part in the Hardware Description.
For a 1.6 mm diameter E1 cable, use a type 75-1-1 connector and a 2.5 mm or 1.7 mm COAX crimping tool when
assembling the DDF-side connector of the E1 cable.
PIU boards in 1+1 hot backup mode
SP3D board
20
M2.5
0.4±0.03 N· M
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