User's Manual

Appendix A Quatech SDS User’s Manual
Hardware Processor: Freescale / Motorola Power PC
SDRAM: 8 MB
FLASH Memory: 2 MB
FLASH is field upgradeable over Ethernet connection
Switches
4- and 8-port units: On back panel:
¾ Reset: Resets the unit and does a hard reboot.
User data in volatile memory cleared.
System configuration unchanged.
¾ Default: Activated by pressing and holding Default, then pressing
and releasing Reset. See Indicators below and on the following
page for details.
Status slow flash: User data in memory is cleared.
Status fast flash: System firmware reverts to the factory default.
1- and 2-port units: On back panel:
¾ Reset: Resets the unit and does a hard reboot.
User data in volatile memory cleared.
System configuration unchanged.
If held until Status LED flashes slowly and then released:
User data in memory is cleared and configuration is reset to
factory default settings
If held until Status LED flashes quickly and then released:
User data in memory is cleared and system firmware reverts to the
factory default
Indicators
4- and 8-port units: On front panel (appearing top to bottom)
¾ Power: On when unit has power
¾ Link: Network connection
ON = connected to network; OFF = not connected
¾ Speed: Speed of network connection
ON = 100 Mbps; OFF = 10 Mbps
¾ Data: Normally off while not receiving or sending any traffic on
the serial link.
Flashes on for 100 ms upon sending or receiving any serial traffic.
Flashes at a 200 ms periodic rate once traffic is above 5 messages
per second.
On rear panel (by the Reset switch)
¾ Status: Off until box is running then turned on.
If the Default button is pushed in and held and then Reset is
pushed and released, the following occurs:
1. Status LED flashes at a rate of 1 flash every 2 seconds for 10
seconds (slow flash).
If Default button is released during this time period, the
configuration is reset to factory defaults; then the SDS
automatically restarts.
Page 84 940-0183-151 March 2005