Nominal Attenuation - Cisco RFGW-10 Hardware Installation Manual

Description
Individual Universal Cable Holder (UCH2)
Universal Cable holder for MCX connectors, qty 3 pcs
1.
Cable bundle for RF card to HFC plant: 3 UCH2 units
attached to one end and 25 F connectors attached to the
other end, 9.84 feet (3 m) long.
2.
Cable bundle for RF card to RF switch: 3 UCH2 units
attached to one end and 2 RF switch header blocks
attached to the other end, 3.2 feet (1 m) long.
3.
Cable bundle for RF switch to HFC plant: 2 RF switch
header blocks attached to one end and 25 F connectors
attached to the other end, 9.84 feet (3 m) long.
Note
Do not use shrink tubing with quad-shielded MCX Connectors.

Nominal Attenuation

Table 6-2
Table 6-2 Nominal Attenuation for a 75-Ohm Miniature Headend Coaxial Cable
MHz dB/100 ft
1 0.39
3.58 0.78
5 0.92
7 1.08
10 143
67.5 2.83
Cisco RF Gateway 10 Hardware Installation Guide
6-6
and Figure 6-6 show the nominal attenuation for specified cable lengths.
MHz
71
88
100
135
143
180
Chapter 6
Part Numbers
CAB-520-MULT-UCH2, Cisco Systems, Inc.
1.
CAB-RFSW520QTIMF2=
2.
CAB-RFSW520QTIMM2=
3.
CAB-RFSW520QTPMF2=
dB/100 ft MHz
3.06 270
3.16 360
3.33 540
3.81 720
3.92 750
4.38 1000
Cabling the Cisco RFGW-10 UEQAM
dB/100 ft
5.40
6.20
7.70
9.47
9.59
10.50
OL-16264-04