Vpacket Hotwire 5100 Uživatelská příručka stáhnout pdf (Strana 50)

Diagnostics

6-5

5100-A2-GB20-00

November 1996

LAN Loopback

The LAN loopback enables data received from the CO card ISA bus to be looped

back by the Ethernet on-board transceiver. Note that this loopback interrupts data

transfer to the CP card. See

Diagnostics

in Chapter 4 for the procedure to run a

loopback test.

496-1498

ISA

Bus

Ethernet

Transceiver

CO Card

Local Loopback

The local loopback enables data received from the CO ISA bus to be looped back

by the firmware process on the CO card. This will be a unidirectional loopback,

meaning that data is transmitted back to the PC end of the connection only. Note

that any data arriving over the DSL link is dropped in this mode of operation. See

Diagnostics

in Chapter 4 for the procedure to run a loopback test.

496-1498

ISA

Bus

DSL

Link

CO Card

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