HP J3138A, Руководство по установке

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4-3
Maintaining the HP AdvanceStack Internet Router
Reading the LEDs
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Table 4-2 describes the LEDs, which are located on the front panel of the
HP AdvanceStack Internet Router.
Table 4-2. LEDs on the HP AdvanceStack Internet Router Front Panel
N O T E
If the router comes out of reset, yet both 10Base-T and 100VG LEDs are on or
that they are both off, an error has occurred. Contact HP customer service.
LED State Description
ISDN BRI Off Inactivity on the ISDN BRI port. If you are sure some data activity is going on this
port, check the BRI cable connection.
On/Flashing Transmitting/Receiving data on the ISDN BRI port.
Power Off Power if off.
On Power is on.
Sys OK Off An error has occurred. Reset the router. If the LED remains off, contact HP customer
service.
On The router is working properly.
WAN Serial 0 Off Inactivity on the synchronous serial port 0. If you are sure some data activity is going
on this port, check the serial 0 cable connection.
On/Flashing Transmitting/Receiving data on the synchronous serial port 0.
LAN 10Base-T On The router is connected to a 10Base-T network.
100VG On The router is connected to a 100VG network.
Link OK On 10Base-T Link Beat signal has been detected on the Ethernet (IEEE 802.3) LAN.
Activity Off Inactivity on the LAN Ethernet port. If you are sure some data activity is going on
this port, check the Ethernet cable connection that goes into the front of the host
device.
On/Flashing Transmitting/Receiving data on the LAN Ethernet port.
WAN Serial 1 Off Inactivity on the synchronous serial port 1. If you are sure some data activity is going
on this port, check the serial 1 cable connection.
On/Flashing Transmitting/Receiving data on the synchronous serial port 1.