12713020-002-2 Revision D – April 2004
SSU-2000 User’s Guide 207
Output Module Reference Data
Line Retiming Unit (LRU)
Memory
The module’s on-board memory stores the executable image, the FPGA image, and
any persistent or non-persistent information that the processor may need. The
module has 512 Kilobytes of RAM for dynamic memory storage with 256 Kilobytes
of FLASH memory used to store the program code and configuration information for
the FPGA.
Status Indicators
Eight LEDs on the front panel of the module show the current operating status of the
module. The front panel LEDs are shown in
and are described in
Figure 8-18. Front Panel of the DS1 LRU Four Port Module
Table 8-16. DS1 LRU Module Status LED Indicators
Indicator
Color
Description
POWER
Green
On = +5 vDC power available on the module
Off = +5 vDC not present on the module
STATUS
Green/Amber
On (Green) = Module functioning correctly
On (Amber) = Module failure
Содержание SDU-2000
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Страница 420: ...I O Connector Grounding 420 SSU 2000 User s Guide 12713020 002 2 Revision D April 2004 ...
Страница 434: ...User Changes to Factory Defaults 434 SSU 2000 User s Guide 12713020 002 2 Revision D April 2004 ...