I n s t a l l a t i o n 3 - 2 3
2-Mb/s Remote Peripheral Equipment Appendix 1 to 553-2741-200
10
Reinstall the two cabinet side panels by sliding them down in the
grooves located in the uprights at each end of the cabinet. The
flange on the side panels should be positioned at the top facing
towards the inside of the cabinet.
—continued—
C h a r t 3 - 2 ( c o n t i n u e d )
QSD66 or QSD74 expansion in a QCA146 RPE cabinet
S t e p
P r o c e d u r e
11
Set the new shelf on top of the existing shelf with both ends
overlapping the joiner plates.
12
Install a spacer bar between the bottom front rail of the new shelf
and the top front rail of the existing top shelf as follows (Figure
2-6):
• Tilt the new shelf slightly backwards.
• Position the spacer bar with the cut-out on the left and facing
outward (Figure 2-6) in the groove along the top front of the
existing shelf.
• Lower the new shelf onto the spacer bar with the top rail of the
bar in the groove in the bottom of the new shelf.
13
Align the new shelf with the existing shelf and secure the joiner
plates with two screws each.
14
If shelf being installed is a QSD74 RPE shelf, use a QCAD300
bridging cable and connect the LGRD and +5V connections at the
rear of the RPE shelf backplane to the corresponding LGRD and
+5V connections at the rear of the existing RPE shelf backplane.
(Figure 2-4)
