Mounting instructions:
1. Check that the free space required for ventilation and cables is available.
2. Mark the positions for the fasteners on the vertical surface where the rack will be mounted.
3. Drill and tap the holes for mounting the rack.
4. Place a washer on three of the four fasteners.
5. Partially mount a fastener with a washer in both of the lower mounting holes. At least 13 mm should be available between the
enclosure surface and the washer.
6. Place the rack on top of the fasteners.
• The washers must be between the head of the fastener and the rack.
• The rack must be mounted with its back vertical, and its long axis horizontal.
7. Mount the third fastener with a washer in the top left mounting position.
8. Tighten the three fasteners to 5 N·m (44 lb-in) of torque.
9. Place a grounding hoop, followed by a toothed washer, on the remaining fastener.
10. Mount the last fastener in the top right mounting position.
11. Tighten the last fastener to 5 N·m (44 lb-in) of torque.
12. Galvanically connect the other end of the grounding wire to the grounding position of the enclosure.
3.3.4 Rack cable strain relief
The rack is delivered with cable strain relief plates mounted at the top and the bottom of the rack. You can secure cables to the
cable strain relief plates with cable ties. The cable strain relief plates can be removed by unscrewing the three 3 mm screws using a
T10 screwdriver. When remounting the strain relief plates, tighten the screws to 0.5 Nm (4.4 lb-in) of torque.
Cable tie slots
There are six cable tie slots at the top of the rack, and six cable tie slots at the bottom of the rack, as shown in the figures below.
The maximum allowed cable tie width is 2.5 mm (0.1 in).
The cable ties and cable routing must not block more than 20 % of the ventilation holes.
INFO
Before the cable tie slots at the top of the rack are used, the foil cover must be removed completely.
INSTALLATION INSTRUCTIONS 4189340909I UK Page 22 of 144
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