3-18 Bench Setup
SG 2000 Installation and Operation Manual
Installing the DS-SG2-DRRB Board Option
The SG2 Digital Return Redundancy Board (DS-SG2-DRRB) is a fixed plug-in that only provides
the capability for RF redundancy to the input of the (DS-SG2-DRT-2X/A). This boards offers full
digital return path redundancy when installed in the SG2 fiber optic node.
Figure 3-12 illustrates the DS-SG2-DRRB board:
Figure 3-12
DS-SG2-DRRB board
The DS-SG2-DRRB board enables a reliable high-speed digital return path while utilizing a
minimum number of components. It contains two independent RF splitters, each providing a single
input and dual outputs for RF path A and RF path B in the SG2 lid board. The board can be installed
as a factory enhancement or field upgrade.
This optional kit does not have the capability of being controlled.
To install the DS-SG2-DRRB board:
1 Open the housing.
2 RemovetheJXPpadsfromP1andP2onthelidboard.
3 Grasp the push-handles provided on the DS-SG2-DRRB board (shaded in Figure 3-13) and
installitinthelidboardatP1andP2.
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