Cabletron Systems EMC38-12 Power Supply User Manual


 
CHAPTER 4: USING THE LANVIEW LEDS
Page 4-2 EMC38-12 USER’S GUIDE
4.3 RCV (Receive)
On (Flashing Yellow) - Indicates that the unit is receiving data
packets from the associated fiber otic port and transmitting them to
the twisted pair port. The flash of the LED is pulse stretched for
viewing effect. The LED may be on, but appear not to flash because
of the pulse stretched viewing effect.
Off - No activity.
4.4 TPLNK (Twisted Pair Link)
On (Green) - Indicates an established link between the associated
twisted pair segment and the 10Base-T device at the other end of the
segment. The LED will remain on as long as there is a link between
the devices and power is supplied to each linked device.
Off - No link.
4.5 FOLNK (Fiber Optic Link)
On (Green) - Indicates an established link between the associated
fiber segment and the 10Base-FL device at the other end of the
segment. The LED will remain on as long as there is a link between
the devices and power is supplied to each linked device.
Off - No link.