Siemens ET7 Series Spezifikationen PDF herunterladen (Seite 19)

DSB75 Development Support Board Rev. B1 Hardware Description

Strictly confidential / Released

DSB75_hd_v08 Page 19 of 94 29.09.2005

2.5 Interface Overview

Table 2: Interfaces of the DSB75

Interface Reference

number

Description

IGT S421 Ignition push button

Emergency

reset

S420 Emergency reset push button

Handset X502 Audio interface 1 (4-pin western jack). Intended for connecting a

handset.

SIM X503 SIM card holder

RF X506 RF signal (SMA connector)

Green LED V431 DSB ON. Power LED that indicates the operating voltage for the

DSB75.

Yellow LED V430 Module ON. Power LED that indicates the operating voltage for the

GSM module.

SD card X301 SD card holder

Charger,

Headset,

Carkit

X700, X701 Two different functions provided by the same connector (Lumberg

connector):

a) Input for plug-in charger

b) Audio 2 interface for headset or speakerphone

X700 for old, X701 for new Siemens accessories.

GND

X400 (red)

X401 (black)

Supply voltage nominal +9V. Connectors used to attach a laboratory

PSU.

COM1 X201 Serial interface 1 (9-pin SubD connector). RS-232C interface with 8

data and modem control lines. Intended for GPRS data, circuit

switched data, multiplexed data, AT commands.

Connects to the module’s serial interface ASC0.

COM2 X202 Serial interface 2 (9-pin SubD connector). RS-232C interface with 2

data and 2 modem control lines: TXD1 and RXD1 plus RTS1 and

CTS1 for hardware handshake. Intended for GPRS data and AT

commands.

Connects to the module’s serial interface ASC1.

COM3 X205 Debug interface (9-pin SubD connector). RS-232C interface with

2 data lines: TXD2 and RXD2.

Connects to the module’s serial interface ASC2 (for Siemens internal

use only).

USB B X110, X111 USB device interface (type B receptacle)

GSM

module

X100 80 pole board-to-board connector for GSM module

RF X505 RF connector for connecting GSM module via RF cable

Battery X602 Battery connector

Test points X101, X102 80 test pins (80 pole dual strip

); 1:1 connection to B2B connector

X100, Terminal for GPIO’s, ADCn_IN lines

I²C X511 3V and 5V I²C interface (10 pole dual strip

)

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 93 94

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