Wavecom FASTRACK M1306B Betriebsanweisung PDF herunterladen (Seite 17)

WM_PRJ_M12_UGD_001 - 002

18th September 2003

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2.2.2 Pin out description

Pin description

2.3 RESET

2.3.1 General presentation

This signal is used to force a reset procedure by providing low level during at

least 500 µs.

This signal has to be considered as an emergency reset only. A reset procedure

is automatically driven by an internal hardware during the power-up sequence.

This signal can also be used to provide a reset to an external device. It then

behaves as an output. If no external reset is necessary this input can be left

open, if used (emergency reset), it has to be driven by an open collector or an

open drain output:

•

RESET pin 14 = 0, for Modem Reset,

•

RESET pin 14 = 1, for normal mode.

Pin description

Signal Sub HD 15-Pin connector

Pin number

I/O I/O type Description

RESET 14 I/O SCHMITT Modem Reset

Signal Sub HD

connector

Pin number

I/O I/O type

RS232

STANDARD

Description

CT103/TX 2 I TX Transmit serial data

CT104/RX 6 O RX Receive serial data

CT105/RTS 12 I RTS Request To Send

CT106/CTS 11 O CTS Clear To Send

CT107/DSR 7 O DSR Data Set Ready

CT108-2/DTR 8 I DTR Data Terminal Ready

CT109/DCD 1 O DCD Data Carrier Detect

CT125/RI 13 O RI Ring Indicator

CT102/GND 9 Ground

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 37 38

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