Cisco uBR-3x10 Hardware Installation And Cabling Manual page 70

Connecting the RF Cables (MC16x, MC28C Line Cards)
Tip
Install the cables in the CMTS header block in the order that they were mapped.
Step 3
Push the MCX connector into the hole in the header block until you can feel it snap into place.
a.
Gently wiggle the connector to make sure that the connection is secure.
b.
Repeat
Step 4
Repeat
Step 5
Step 6 Gently pull on the cables to be sure that they are firmly seated in the header blocks.
To ensure proper installation and avoid poor connections, be sure that the cables are not positioned at
Caution
too acute an angle.
Use a flat-blade screwdriver to tighten the captive installation screws at both the top and the bottom of
Step 7
the header block to prevent accidental disconnection.
Caution Do not overtighten the captive screws. We recommend that you tighten the screws to 5 to 7 inch-pounds
(0.5647 to 0.7909 Nm).
Figure 4-10
Red
White
Blue
Green
Gray
Cisco uBR-MC16x
Red
White
Blue
Green
Gray
Cisco uBR-MC28C
Cisco uBR-3x10 RF Switch Hardware Installation and Cabling Guide
4-16
Chapter 4
See Table 4-2 on page 4-13
connection locations. Note that the gray and brown cables have F-connectors instead of MCX
connectors. These cables are used to connect to the upconverter (UPx).
Step 1through Step 3 for the other line cards.
Step 1 through Step 3 for the PROTECT (P1A–P1H) header block.
Cisco uBR 3x10 RF Switch—MCX Connection Locations
Yellow Yellow
A H
Violet
B I
C J
2A-2H
D K
1A-1H
E L
F M
G N
Yellow Yellow
A H
Violet
B I
Orange
C J
Black
D K
E L
Brown
F M
G N
Cabling the RF Switch With the Cisco uBR10012 CMTS Cable Interface Line Cards
and Table 4-1 on page 4-11
P2A-P2H
P1A-P1H
4A-4H 6A-6H 8A-8H
3A-3H 5A-5H 7A-7H
Working CMTS Protect
for cable interface and CMTS
7H-7A 5H-5A 3H-3A 1H-1A
8H-8A 6H-6A 4H-4A 2H-2A
OL-1984-06