HP Apollo 4200 Gen9 User Manual page 137

6. Loosen the screws on the terminal block connector.
7. Attach the ground (earthed) wire to the ground screw and washer and tighten to 1.47 N m (13 lb-in) of
torque. The ground wire must be connected before the -48 V wire and the return wire.
The ground wire must be connected before the -48 V wire and the return wire.
Hardware options installation 137