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Operating the AN/DC and ANH-8/DC
Back-Panel LEDs
The LEDs on the AN/DC
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. |
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RX (Receive) | Lights when the AN/DC is receiving data from the network. |
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CL (Collision) | Lights when the AN/DC detects a collision on the network. |
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Synchronous interfaces (COM1 and COM2) | |
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RLSD1 | Lights when Received Line Signal Detection is active on |
(Received Line | COM 1. |
Signal Detection 1) |
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RLSD2 | Lights when Received Line Signal Detection is active on |
(Received Line | COM 2. |
Signal Detection 2) |
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ISDN/BRI interfaces |
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ISDN BRI
Lights when S/T interface is active; turns off when interface is inactive.