Summary of Contents for Sequoia SQ864
- Page 1 SQ864 GPRS Terminal Hardware reference manual Rev 2.1.4 Sales: +44 (0) 118 967 9000 Fax: +44 (0) 118 976 9020 www.sequoia.co.uk...
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Page 2: Table Of Contents
5.6 SIM Socket 5.7 Antenna 5.7.1 Antenna Placement 5.7.1 Antenna Connection Cable 6. Power Consumption 7. Switching the SQ864-GPRS Terminal ON and OFF 8. Dimensions 8.1 Top View 8.2 Serial Connector View 8.3 Antenna and Power View 8.4 Sim and GPIO Indicator View 9. -
Page 3: Definitions
Wireless Technology SQ864 Experience The Freedom GPRS Terminal 3. Definitions Term Definition Universal Serial Bus VSWR Voltage Standing Wave Ratio Sub Miniature version A Light Emitting Diode Electro-Static Discharge Sales: +44 (0) 118 967 9000 Fax: +44 (0) 118 976 9020 www.sequoia.co.uk... -
Page 4: Device States
Wireless Technology SQ864 Experience The Freedom GPRS Terminal 4. Device States The current state of the device is indicated by the status LEDs as shown in Table 1 below. Table 1 Device status LEDs LED colour State Flash rate once per second: Net search / not registered / turning off... -
Page 5: Interfaces
• ESD protection to +/-4KV contact discharge and +/-8KV air discharge. 5.1.1 Power Connector Figure 1 SQ864 Power Connector The pin out and pin function of the power connector is shown in table 3. Sales: +44 (0) 118 967 9000... -
Page 6: I/O Interface
Wireless Technology SQ864 Experience The Freedom GPRS Terminal Table 3 Power connector pin function PIN number Part number Function Common 0V connection External reset input. 0V to 0.5V, or open circuit inactive (Reset OFF), 2 to RESET_IN 16V active (Reset ON), must be active for at least 200ms then released. -
Page 7: Digital Output
Wireless Technology SQ864 Experience The Freedom GPRS Terminal Table 5 Mini USB Connections Mini USB Pin Signal on Telit GC864-PY Module Voltage level Function GPIO GPIO5 CMOS 2.6V GPIO GPIO7 CMOS 2.6V GPIO GPIO8 CMOS 2.6V GPIO GPIO11 CMOS 2.6V... -
Page 8: Digital Input
Wireless Technology SQ864 Experience The Freedom GPRS Terminal 5.4 Digital Input • Max voltage defined in Table 6 • Short circuit protected • ESD protected • Under full control of embedded application The following AT commands can be used to initialise and to read the status of the GPIO:... -
Page 9: Sim Socket
Wireless Technology SQ864 Experience The Freedom GPRS Terminal 5.6 SIM Socket A standard SIM socket is provided which accept 1.8V/3V SIM card for carrier subscription. Pin No. Name Usage Description Voltage Level SIM_VCC Power supply for the SIM Data Carrier Detect +/- 5.4V... -
Page 10: Power Consumption
Use Vcc power signal from the AC adapter that is provided with your unit and is known to work properly The SQ864-GPRS automatically switches on when power is applied with your modem to the terminal . If the unit is then powered off the are two ways to •... -
Page 11: Dimensions
Wireless Technology SQ864 Experience The Freedom GPRS Terminal 8. Dimensions All dimensions are shown in mm. The mounting holes are suitable for a M3 fixing screw. 8.1 Top View 8.2 Serial Connector View Sales: +44 (0) 118 967 9000... -
Page 12: Antenna And Power View
Wireless Technology SQ864 Experience The Freedom GPRS Terminal 8.3 Antenna and Power View 8.4 Sim and GPIO Indicator View Sales: +44 (0) 118 967 9000 Fax: +44 (0) 118 976 9020 www.sequoia.co.uk Rev 2.1.4 Jan 2011... -
Page 13: Terminal Installation Considerations
Tip: Before installing the modem you can use an ordinary mobile telephone to check the signal strength in each possible installation location. Sequoia Technology can also provide a GSM signal tester which provides a full breakdown of the GSM signal received. Please contact Sequoia Technology for more information. -
Page 14: How To Install The Terminal
11.1 General precautions during the maximum peak current of approximately 2A. The SQ864-GPRS terminal is a standalone item designed for indoor • When the unit is powered from a battery or a high use only. -
Page 15: Simm Card Precautions
The use of discharges. this product may be dangerous and has to be used with caution in • When designing the SQ864-GPRS into your application, the following areas: the accessibility of the SIM card should be taken into •... -
Page 16: Conformity Assessment
• GSM (Radio Spectrum). Standard: EN 301 511 and 3GPP The SQ864-GPRS terminal conforms to the R&TTE Directive as a 51.010-1 stand-alone product, so If the terminal is installed in compliance with the telecom installation instructions then no further •... -
Page 17: Revision History
Wireless Technology SQ864 Experience The Freedom GPRS Terminal 14. Revision history Revision Date Details Editor 6/10/2010 Initial Draft 8/10/2010 Updated pin out and voltage levels 12/10/2010 Further updates, RS 232 SIM socket and antenna 12/10/2010 Added power-on truth table, GPIO tolerance, SIM pinout...
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