Nortel Networks AN/DC Manual De Usuario
Operating the AN/DC and ANH-8/DC
312410-A Rev 00
4-5
Back-Panel LEDs
The LEDs on the AN/DC back-panel differ depending on the AN/DC model that
you have.
you have.
describes all of the available AN/DC back-panel LEDs. These
LEDs indicate the status of the AN/DC’s network connections.
Table 4-2.
Back-Panel LEDs
LED
Meaning
Ethernet/Second Ethernet interface (XCVR or UTP)
TX (Transmit)
Lights when the AN/DC is transmitting data over the network.
RX (Receive)
Lights when the AN/DC is receiving data from the network.
CL (Collision)
Lights when the AN/DC detects a collision on the network.
Synchronous interfaces (COM1 and COM2)
RLSD1
(Received Line
Signal Detection 1)
(Received Line
Signal Detection 1)
Lights when Received Line Signal Detection is active on
COM 1.
COM 1.
RLSD2
(Received Line
Signal Detection 2)
(Received Line
Signal Detection 2)
Lights when Received Line Signal Detection is active on
COM 2.
COM 2.
ISDN/BRI interfaces
ISDN BRI
Lights when S/T interface is active; turns off when interface is
inactive.
inactive.