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Console Connector and Cable Pin-Outs

The HP EtherTwist Hubs have a console port that automatically detects whether a

terminal or a modem is connected. No switch setting is required. Because of this function,

a standard “straight-through” cable can not be used when connecting a terminal directly.

For a terminal connection, you use a “crossover” cable (essentially a cable for connecting a

printer to a serial port), or a modem cable with a null modem adapter attached (which

provides the crossover function). For a modem connection, you can use a standard modem

cable.

This section provides pin assignment information for the cables you can use on the hub’s

console port.

Pin-Out for Hub’s Console Port Connector

PIN US CCITT DIN

1 CHS GND 101

2 Tx 103 D1

3 Rx 104 D2

4 RTS 105 S2

5 CTS 106 M2

6 DSR 107 M1

7 GND 102

8 CD 109 M5

20 DTR 108 S1

22 RI 125 M3

23 SR 111

A-8 Cables and Connectors

1 2 ... 55 56 57 58 59 60 61 62 63 64 65 ... 101 102

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HP 24S Betriebsanweisung Seite 60