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Summary of Contents for Fibocom L831-EAU-01
- Page 1 L831-EAU-01 Hardware User Manual Version: 1.0.0 Update date: 2017.05.22...
- Page 2 Applicability Table Product model Description L831-EAU-01 2 modes and 6 bands Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 2 of 39...
- Page 3 Version Record Version Update Date Description V1.0.0 2017-05-22 Initial release Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 3 of 39...
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Page 4: Table Of Contents
3.4.2 USB2.0 Interface Application......................24 3.5 USIM Interface........................... 24 3.5.1 USIM Pins............................24 3.5.2 USIM Interface Circuit........................25 3.5.2.1 N.C. SIM Card Slot............................25 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 4 of 39... - Page 5 5.3 M.2 Interface Model...........................36 5.4 M.2 Connector............................36 5.5 Storage..............................37 5.5.1 Storage Life............................37 5.6 Packing..............................37 5.6.1 Tray Package........................... 38 5.6.2 Tray size............................39 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 5 of 39...
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Page 6: Foreword
Introduction The document describes the electrical characteristics, RF performance, dimensions and application environment, etc. of L831-EAU-01 module. With the assistance of the document and other instructions, the developers can quickly understand the hardware functions of L831-EAU modules and develop products. -
Page 7: Overview
WWAN Main Antenna x 1 Antenna WWAN Diversity Antenna(GNSS) x 1 USIM 3V/1.8V USB 2.0 x 1 I2S(Reserved) Function Interface EINT、System Indicator Clock(Reserved) Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 7 of 39... -
Page 8: Application Framework
3GPP TS 27.007 and 27.005, and proprietary FIBOCOM AT commands Firmware update Application Framework The peripheral applications for L831-EAU module are shown in Figure 2-1: Figure2-1 Application Framework Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 8 of 39... -
Page 9: Hardware Framework
3 Application Interface 3.1 M.2 Interface The L831-EAU module applies standard M.2 Key-B interface, with a total of 75 pins. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 9 of 39... -
Page 10: Pin Distribution
3.1.1 Pin Distribution Figure 3-1 Pin Distribution Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 10 of 39... -
Page 11: Pin Definition
Notch Notch Notch Notch Notch Notch Notch Notch Notch Notch Notch I2S_CLK I2S serial clock（Reserved） CMOS 1.8V CONFIG_0 Not connected Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 11 of 39... - Page 12 Not Connect I2C_SDA I/O PU I2C serial data signal CMOS 1.8V Not Connect I2C_IRQ GNSS interrupt input signal CMOS 1.8V Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 12 of 39...
- Page 13 Tunable antenna control signal ANTCTL2 CMOS 1.8V (Reserved) WWAN and WIFI/BT module COEX1 coexistence hardware synchronization signal（Reserved） Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 13 of 39...
- Page 14 Tristate OD: Open Drain PP: Push-Pull PI: Power Input PO: Power Output Note: The unused pins can be left floating. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 14 of 39...
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Page 15: Power Supply
The L831-EAU module should be powered through the +3.3V pins, and the power supply design is shown in Figure 3-2: Figure 3-2 Power Supply Design Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 15 of 39... -
Page 16: Logic Level
The L831-EAU module 3.3V logic level definition as shown in the following table: Parameters Minimum Typical Maximum Unit 3.3V logic level 3.135 3.465 3.465 -0.3 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 16 of 39... -
Page 17: Power Consumption
1.8V/3.3V ER_OFF# High: Power on Low or floating: Power off Reset signal, internal 100KΩ pull-up, RESET# 1.8V active low. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 17 of 39... -
Page 18: Module Start-Up
Figure 3-3 Power-on Circuit of AP Controlling 3.3V Power Module Figure 3- 4 Power-on Circuit of AP Controlling FULL_CARD_POWER_OFF# Module Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 18 of 39... -
Page 19: Start-Up Timing Sequence
Only used when a hardware powering off Hardware exception occurs and the software AP controlling FULL_CARD_POWER_OFF# control cannot be used for powering off (battery-powered) Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 19 of 39... -
Page 20: Software Shutdown
The power-off timing diagram of hardware controlling 3.3V power is shown in Figure 3-8; The power-off timing diagram of hardware controlling FULL_CARD_POWER_OFF# is shown in Figure 3-9; Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 20 of 39... -
Page 21: Host Reboot
Battery-powered, the timing of Host Reboot module is shown in Figure 3-11: Figure 3-10 Recommended Timing of Host Reboot Module when AP Controls the Power Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 21 of 39... -
Page 22: Module Reset
Figure 3-12: 图 3- 12 Recommended Design for Reset Circuit The reset control timing is shown in Figure 3-10: Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 22 of 39... -
Page 23: Usb Interface
Pin# Pin Name Reset Value Description Type 0.3---3V, USB D+ USB Data Plus USB2.0 0.3---3V, USB D- USB Data Minus USB2.0 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 23 of 39... -
Page 24: Usb2.0 Interface Application
The USIM pins description as shown in the following table: Pin Name Reset Value Description Type UIM_PWR USIM power supply 1.8V/3V UIM_RESET USIM reset 1.8V/3V UIM_CLK USIM clock 1.8V/3V Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 24 of 39... -
Page 25: Usim Interface Circuit
When the SIM card is inserted, it connects an open circuit between CD and SW pins, and drives the SIM_DETECT pin high. Note: SIM_DETECT pull-up is 100K. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 25 of 39... -
Page 26: Usim Hot-Plugging
Pin Name Reset Value Pin Description Type System status LED, drain LED#1 CMOS 3.3V output. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 26 of 39... -
Page 27: Led#1Signal
The module can wake the Host (AP) by WAKE_WWAN# signal when there is data request, L831-EAU does not support waking the Host by WAKE_WWAN# signal. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual... -
Page 28: Interrupt Control
AT+XLCSSHUTDOWN can shut down GNSS, and AT+XLCSINIT can reinitialize GNSS, the GNSS can be started up only after re-initialization when it has been shut down. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual... -
Page 29: Clock Interface
Floating is recommended. For I2S interface of the module, L831-EAU currently does not support this function, and Floating is recommended. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 29 of 39... -
Page 30: Radio Frequency
The L831-EAU module adopts standard M.2 module RF connectors, and the connector size is 2*2*0.6m. The connector dimension is shown as following picture: Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 30 of 39... - Page 31 Figure 4-2 RF connector dimensions Figure 4-3 0.81mm coaxial antenna dimensions Figure 4-4 Schematic diagram of 0.81mm coaxial antenna connected to the RF connector Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 31 of 39...
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Page 32: Operating Band
Band 8 23±1 10MHz Bandwidth, 1 RB Band 20 23±1 10MHz Bandwidth, 1 RB Band 28 23±1 10MHz Bandwidth, 1 RB Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 32 of 39... -
Page 33: Receiver Sensitivity
95mA/ -144dBm Sleep 2.5mA Cold Start 35s / -130dBm Warm Start 30s / -130dBm TTFT Hot Start 1s / -130dBm Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 33 of 39... -
Page 34: Antenna Design
100 MHz Impedance 50 Ohm Input power > 25dBm average power WCDMA & LTE Recommended standing-wave ratio ≤ 2:1 (SWR) Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 34 of 39... -
Page 35: Structure Specification
5 Structure Specification Product Appearance The product appearance for L831-EAU-01 module is shown in Figure 5-1: Figure 5-1 Module Appearance 5.2 Dimension of Structure The structural dimension of the L831-EAU module is shown in Figure 5-2: Figure 5-2 Dimension of Structure(Unit:mm) Reproduction forbidden without Fibocom Wireless Inc. -
Page 36: Interface Model
LOTES company with the model APCI0026-P001A as shown in Figure 5-3. The package of connector, please refer to the specification. Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 36 of 39... -
Page 37: Storage
Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 37 of 39... -
Page 38: Tray Package
The L831-EAU module uses tray package, 20 pcs are packed in each tray, with 5 trays in each box and 6 boxes in each case. Tray packaging process is shown in Figure 5-4: Figure 5-4 Tray Packaging Process Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 38 of 39... -
Page 39: Tray Size
ITEM 330.0±0.5 175.0±0.5 6.0±0.3 0.5±0.1 43±0.3 33.0±0.3 ITEM 294.0±0.3 159.0±0.3 20.0±0.5 9.0±0.5 24.5±0.5 187.5±0.2 ITEM 105.0±0.2 9.0±0.2 Figure5-5 tray size Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. L831-EAU-01 Hardware User Manual Page 39 of 39...
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