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D-2 Preliminary November 23, 1998 MultiVoice Gateway for the MAX— User’s Guide

Cables and Connectors

User interface specifications

Control port and cabling pinouts for the Control Monitor and MIF

The Control port uses a standard DE-9 female connector that conforms to the EIA RS-232

standard for serial interfaces. Table D-1 lists all MultiVoice Gateway models that use the

RS-232 pinouts.

Note: *Pin 9 is not active (Ring Indication signal not supplied).

Pinouts for the Palmtop Controller

Table D-2 specifies the pins and corresponding functions of the Palmtop Controller jacks. In

the I/O columns, Out (O) is from the MultiVoice Gateway toward the Palmtop.

Table D-1.Control Monitor and MIF Control port and cabling pinouts

DE-9 pin number RS-232 signal name Function I/O

1 DCD Data Carrier Detect O

2 RD Serial Receive Data O

3 SD Serial Transmit Data I

4 DTR Data Terminal

Ready

5 GND Signal Ground

6 DSR Data Set Ready O

7 RTS Request to Send I

8 CTS Clear to Send O

*9 *RI *Ring Indicator *O

Table D-2.Palmtop Controller pinouts

MultiVoice

Gateway RJ12

Function I/O

1 Power to Palmtop, +5V O

2 Control Out O

3 Control In I

4 Serial Transmit Data O

5 Serial Receive Data I

6Ground

1 2 ... 237 238 239 240 241 242 243 244 245 246 247 ... 277 278

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Ascend MultiVoice Gateway Guide de l'utilisateur Page 242