Output Module Reference Data
RS-422 Output Module
202 SSU-2000 User’s Guide 12713020-002-2 Revision D – April 2004
Status Indicators
The RS-422 Output module has seven LED status indicators along the front edge of
the module that are used for visually conveying status information to the user. The
LEDs are shown in Figure 8-15 and described in Table 8-14.
Figure 8-15. Front Panel of the RS-422 Output Module
Table 8-14. RS-422 Output Module Status LED Indicators
Indicator Color Description
POWER Green On = +5 vDC power available on the Output module
Off = +5 vDC not present on the module
STATUS Green/Amber On (Green) = Output module functioning correctly
Blinking Amber = Output module is downloading firmware
On (Amber) = Output module failure
SOURCE A Green/Amber On (Green) = Clock A in slot 1 is the selected source clock
On (Amber) = Faulty or missing Clock A
Off = Clock A is good and not selected
SOURCE B Green/Amber On (Green) = Clock B in slot 13 is the selected source clock
On (Amber) = Faulty or missing Clock B
Off = Clock B is good and not selected
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