NEC EXPRESS800 - Manual (Page 63)

Installing Rack Components 5-15
To install your concentrator:
3. Using the longer set of screws (Figure 5-11, C) received with the
concentrator, attach the two halves of the side rail together. The rear rail
(Figure 5-11, B) should be assembled to the outside, or closest to the rack
rails.
A
B
C
D
E
A. Concentrator
B. Rear Concentrator Rail
C. Concentrator Rail Screws
D. Concentrator Mounting Screws
E. Front Concentrator Rail
Figure 5-11. Assembling the Concentrator Rails
4. Adjust the length of the concentrator rails to fit between the outside of the
front and rear vertical posts in the system rack.
5. Attach the two side rails to the sides of the concentrator with the four shorter
screws (Figure 5-11, D) received with the concentrator.