SIM548Z USER GUIDE
Document Name: SIM548Z User Guide Version: Date: Doc ID: Status: 1.02 2006-07-07 SIM548Z_UGD_V1.02 Released General Notes Simcom offers this information as a service to the customers, to support application and engineering efforts that use the products designed by Simcom. The information provided is based upon requirements specifically provided to Simcom by the customers.
Contents Contents ............................................................................................................................................2 1. SIM548Z EVB Schematic .............................................................................................................3 2. SIM548Z EVB overview...............................................................................................................3 3. EVB Accessory ...............................................................
1. SIM548Z EVB Schematic The SIM548Z also uses the SIM508Z-EVB, SIM508Z-EVB_schematic.pdf for detail. 2.
Figure 2: BOTTOM view A: 80pin connector, SIM548Z module interface B1-B5: LED indicator B1: VBAT ON/OFF B2: GSM net status B3: The GSM part of the module ON/OFF status B4: 1PPS output for GPS part B5: GPS TX/RX status C1-C9: Key control for various functions C1: GSM part power-up / power down control (button Z1) C2: VBAT ON/OFF control (shifter S2) C3: VCHG ON/OFF control (shifter S5) C4: GSM part program download control (shifter S1) C5: GPS part power ON/OFF control (shifter S7) C6: GPS part reset control
3. EVB Accessory Figure 3: EVB accessory A: antenna A: 5V DC source adapter B: GSM antenna C: GPS antenna D::RF cable E: Earphone F: serial port line The part number of the GSM antenna is WT-C&G-28-90; please check the document of WT-C&G-28-90.pdf for detail parameters.
4. EVB Interface 4.1 Power interface Figure 4: Power interface Pin Signal I/O Description 1 Adapter input I 5V/2.
4.2 SIM card interface Figure 5: SIM card interface Please push the yellow button to open the holeder, the inset the SIM card. 4.
Serial Port 1 Pin Signal I/O Description 1 DCD O Data carrier detection 2 TXD O Transmit data 3 RXD I Receive data 4 DTR I Data Terminal Ready 5 GND 7 RTS I Request to Send 8 CTS O Clear to Send 9 RI O Ring Indicator Pin Signal I/O Description 2 DEBUG_TX O Transmit data 3 DEBUG_RX I Receive data 5 GND GND Serial Port 2 GND 4.
4.
5. EVB and accessory equipment At normal circumstance, the EVB and its accessory are equipped as the below figure: Figure 9: EVB and accessory equipment 6. Operation Firstly，please equip the module and accessories as the figure 9. 6.
6.2 Connecting the Net and calling (1) Connect the serial port line to the serial port 1, open the HyperTerminal (AT command windows) on your personal computer, the location of the HyperTerminal in windows2000 is START →accessory→ communication →HyperTerminal. Set the correct baud rate and COM number firstly.
8 FCC statements Please note: SIM548Z complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) SIM548Z may not cause armful interference, and (2) SIM548Z must accept any interference received, including interference that may cause undesired operation. And changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
