Appendix B BCU (BMTS)
236 BMTW-SVN01F-EN
8. The green LEDs remain steadily lit shortly after connection of the
Ethernet/ARCNET cable. The LEDs will alternate between the green
LED remaining steadily lit and flashing three times before the red
LED begins to flash rapidly (about twice per second). Then, as the PC
Workstation begins to download code, the red LED begins to flash
rapidly and the Ethernet/ARCNET red or yellow LED begins to flash.
After about two to four minutes, the green LED lights and then goes
out. The red LED lights and then goes out, and finally, the green LED
begins to flash about once per second (normal condition).
IMPORTANT
The Clear Code, Database, RAM, and Reset function should rarely be
used. This reset level is predominately used when performing upgrades
or to salvage a BCU that won’t respond to lower reset levels.
Ethernet Card LEDs
Ethernet cards typically have two status LEDs, one green and one yellow.
• Solid green = normal
• Flashing yellow = Ethernet communication occurring
ARCNET/Hub Card LEDs
The ARCNET cards typically have two status LEDs, one red and one
green.
• Solid green = normal
• Flashing green = ARCNET reconfiguration occurring (indicating a
ARCNET LAN problem)
• Flashing red = ARCNET communication occurring with the BCU
Hub cards typically have two status LEDs, one red and one yellow.
• Solid red = link active
• Yellow off = normal operation
• Yellow on = indication of a network reconfiguration
To Next Page
Loading...
