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Appendix A. Ethernet Interface

ASM-20

Installation and Operation Manual

A-4 Installation and Operation 6/4/99 13:17

Figure A-6 Ethernet Bridge Layout (BNC option)

LAN Installation

For 10BaseT installation, either a straight cable or a cross-cable may be

required. Use a cross-cable when connecting to a port that does not

implement the crossover function internally. Otherwise, use a straight cable.

(Hubs usually implement the crossover function internally while NICs and

other devices do not.)

Switch Settings

Set switches according to Table A-2.

Table A-2 DIP Switches Settings

Switch

Number

Name Description Default

Setting

1 SQ/FD ON: Ethernet full-duplex mode

OFF: Ethernet half-duplex mode

OFF

2 CMP ON: Strips padding bits inserted in 64-byte frame

OFF: Transmits frames over WAN as is

3 FIL ON: Passes only frames destined for another LAN

OFF: Disables LAN filter; passes all frames transparently

(nc) OFF

Note

The SQ/FD switch is not used in the Ethernet bridge with the BNC connector

option.

LED Indicators

Table A-3 lists the IR-ETH LED indicators and describes their functions.

1 2 ... 46 47 48 49 50 51 52 53 54 55 56 ... 70 71

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RAD Data comm ASM-20 Dokumentacja Strona 51