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Appendix C - IR-ETH Interface Module HCD-E1 Installation & Operation Manual

C-4 Installation and Operation

View A

Figure C-6 IR-ETH Module (View A)

LAN Installation

The Ethernet with UTP (10BaseT) connectors is designated as a Station. 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

do implement the crossover function internally while network interface cards

and other devices do not).

Table C-1 lists pinout of the IR-Ethernet RJ-45 connector.

Table C-1 RJ-45 Pinout

Pin Name Function

1 TD (+) Transmit data positive

2 TD (-) Transmit data negative

3 RD (+) Receive data positive

6 RD (-) Receive data negative

Switch Settings

Table C-2 describes functions and default settings of the DIP switch SW-1

sections. Function of section 1 is software-controlled, either from the

supervision terminal (DEF CH command), or from the front panel

(CHANNEL PRM). Its hardware switch is permanently set to OFF and is not

allowed for manual setting. Sections 2 and 3 are set in accordance with

Table C-2.

The DIP switch is on the reverse side of the Ethernet bridge. To change the

switch settings, you must undo three screws on the board and detach it from

the main unit.

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RAD Data comm HCD-E1 Especificaciones Pagina 196