Digital Equipment DECbrouter 90, Инструкция по установке и эксплуатации, Страница: 18 / 62

Overview
LEDs and Connectors
Table 1–2 DECbrouter 90 LEDs
Power indicator —Monitors the status of the +5.0 Vdc
voltage. On: The +5.0 Vdc voltage is normal.
Off: The voltage is abnormal (as in a power failure).
Network activity indicator
—Monitors the network
activity.
On: There is network activity.
Off: There is no network activity.
Port 0 status indicator
—Monitors the status of either
the ThinWire (10Base2) or the twisted pair (10BASET)
input to the DECbrouter 90.
On:
Port 0 is functional.
Off:
Port 0 has failed or has been partitioned.
Port 0 activity status indicator –Monitors the
activity of the Ethernet port.
On: The port is transmitting or receiving data.
Off:
The port is not transmitting or receiving data.
Twisted Pair (10BASET) connector –Connects the
DECbrouter 90 to a 10BASET twisted pair. Not used
when the DECbrouter 90 is installed in the DEChub 90
backplane.
Port 1 serial line status indicators –Monitors the
activity of port one.
On: Port 1 is transmitting or receiving data.
Off: Port 1 is not currently transmitting or receiving
data.
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1–10 Overview