Block Diagram Of The Ami 20-Output Module - Symmetricom TSG-3800 Series User Manual

Output Modules
AMI 20-Output Module
Figure 7-2.

Block Diagram of the AMI 20-Output Module

Rocker switch S1 and MUX 1 control the selection of the A/B signal pair used by the
module. S1 consists of six rocker switches, each performing a different function.
Pressing a rocker switch on the left side sets the switch to Off; pressing the right
side sets the switch to On. MUX 1 (also MUX 2 and MUX3 discussed below) is a
digital multiplexer which routes the selected inputs to the outputs.
The INSEL rocker switch controls MUX 1. When INSEL is On, it causes MUX 1 to
select the IN1 inputs. When it is Off, the IN2 inputs are selected.
One or two pairs of clocks can be connected to the module, depending upon the
Frame Generator settings. Each pair consists of A and B clocks, coming from
Frame Generator A and Frame Generator B, respectively. These are identical
clocks providing redundant clocks to the module.
208 TSG-3800 User's Guide
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12778474-002-2 Revision F – March 2004