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FEATURES 2-in-1 CAN + Wireless/GPS board Dual CAN 2.0B interface Philips SJA1000T controllers Channel-to-channel and channel-to-system isolation Socket for GSM/GPRS and CDMA wireless communications modules Socket for GPS receiver module 1 pulse per second precision output from GPS receiver Connector provided to supply backup power for the GPS almanac 0Ω jumper-bypass resistors for ruggedized applications PC/104 form factor -40 to +85ºC operation

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DOWNLOADS Janus-MM Manual v1.06 (.pdf, 1,012.8 kb)

Janus-MM

Dual CAN Ports, Carrier for Wireless and GPS Modules

Janus-MM Dual CAN PC/104 board click for a larger image Janus-MM with GPS and Wireless modem modules installed click for a larger image

Description System Block Diagram Wireless / GPS Add-on Modules Wireless / GPS Antennae and Transition Cables I/O Connectors Specifications Janus-MM User Manual v1.04 (html version) Get an online quote

Description

JANUS-MM combines dual CAN interfaces with sockets for wireless communications and GPS to create a complete I/O subsystem for automotive and vehicle tracking applications. The dual CAN ports use the Philips SJA1000T CAN controller and 82C251 transceiver, for full CAN2.0B functionality. Each port is independently isolated from the system to eliminate sensitivity to noise and ground shifts in the network. Jumper options include slew rate control, transceiver power source (on-board or loop power), address, and interrupt settings. Both memory and I/O addressing are supported. For ruggedized applications, 0Ω jumper-bypass resistors can be installed in any configuration.

JANUS-MM includes sockets and support circuitry for GSM/GPRS and CDMA wireless communication modules from MultiTech, as well as 8-channel and 12-channel GPS receivers from Trimble Navigation. A connector is provided to supply backup power for the GPS almanac. A built-in dual UART circuit provides the necessary interface to the modules. The add-on modules are available separately based on your desired configuration. See below for information on available modules.

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	System Block Diagram

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	Wireless/GPS Add-on Modules

Janus-MM supports the addition of various modules for location identification and wireless communications. One wireless module and one GPS module can be installed simultaneously on a single Janus-MM board. These modules are purchased separately and installed on the board with the included hardware kit. Transition cables are available for each module to connect between the module and the enclosure wall.

Lassen SKII GPS

• L1 frequency, 8 channel receiver
• TSIP, NMEA, and TAIP protocols
• 1Hz location update rate
• 1 pulse per sec precision output
• Battery backup option for faster warm start capability
• SMB antenna connector
• -40 to +85°C operation

Lassen iQ GPS

• L1 frequency, 12 channel receiver
• TSIP, NMEA, and TAIP protocols
• 1Hz location update rate
• 1 pulse per sec precision output
• Battery backup option for faster warm start capability
• H.FL-R-SMT low-profile antenna connector
• -40 to +85°C operation

The Lassen iQ module is shipped mounted on a small daughterboard, which then plugs into the Janus-MM socket.

SocketModem GSM/GPRS

• 850/1900 or 900/1800MHz operation
• Packet data up to 85.6kbps
• Circuit-switched data up to 9600bps
• GSM class 1 and class 2 group 3 fax
• SMS capability
• MMCX antenna connector and SIM socket
• -30 to +70°C operation

SocketModem CDMA

• 800/1900MHz operation
• Packet data up to 153.6kbps
• Circuit-switched data up to 14,400bps
• Class 2 group 3 fax
• SMS capability
• MMCX antenna connector and SIM socket
• -30 to +70°C operation

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	Wireless / GPS Antennae and Transition Cables

Diamond Systems provides antennae and transition cables for both the Wireless Modem and GPS modules used on the Janus-MM board. These antennae and cables are provided with the Janus Developer’s Kit when the kit is ordered with one or more modules, and may also be ordered separately.

GPS Antenna and Transition Cables click for a larger image Wireless Modem Antenna and Transition Cable click for a larger image

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	I/O Connectors

Each CAN port uses its own 10-pin connector that conforms to the CANopen standard:

Janus-MM provides access to the second on-board serial port in TTL format for use with external devices that may need this signaling level. If this connector is used, then neither the second GPS channel or SocketModem module can be used.

A 4-pin connector provides access to the 1 pulse per second output from an installed GPS module and allows external backup power for the GPS almanac.

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	Specifications

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	Get an online quote

Janus-MM available models: JNMM-COMBO-XT Dual CAN + Carrier PC/104 Module JNMM-GPS-IQ Janus-MM Dual CAN PC/104 Board With GPS iQ Module Installed JNMM-GPS-SK Janus-MM Dual CAN PC/104 Module With GPS SK2 Module Installed JNMM-WSM-xx Janus-MM Dual CAN PC/104 Module with Wireless SocketModem Installed (Select xx = SocketModem) JNMM-DUO-xx-yy Janus-MM Dual CAN PC/104 Module With GPS and WSM Modules Installed (Select xx = GPS, yy = WSM) JNMM-GPS-xx-DK Janus-MM Dual CAN PC/104 Module with GPS Development Kit (select xx = GPS module) JNMM-WSM-xx-DK Janus-MM Dual CAN PC/104 Module with WSM Module Development Kit (select xx = WSM) JNMM-DUO-xx-yy-DK Janus-MM Dual CAN PC/104 Module with GPS and WSM Modules Development Kit (select xx = GPS, yy = WSM) Please login or signup for an online quote request.

Cables and accessories available models: C-DB9M-1 Ribbon cable, EMM-OPT2/4 or Janus-MM, 10-pin to DB9M, 18 inches MOD-GPS-IQ GPS Module, Trimble Lassen iQ 12 channels MOD-GPS-SK GPS Module, Trimble Lassen SK2 8 channels MOD-WSM-F1 Wireless SocketModem Module, MTSMC-G-F1 GPRS 900/1800MHz MOD-WSM-F2 Wireless SocketModem Module, MTSMC-G-F2 GPRS 850/1900MHz MOD-WSM-N1 Wireless SocketModem Module, MTSMC-C-N1 CDMA 800/1900MHz MOD-WSM-N2 Wireless SocketModem Module, MTSMC-C-N2 CDMA 800/1900MHz CK-GPS-IQ Cable Kit, Janus-MM iQ GPS, includes 3.3V antenna and transition cable CK-GPS-SK Cable Kit, Janus-MM SK2 GPS, includes 5V antenna and transition cable CK-WSM-01 Cable Kit, Janus-MM Wireless SocketModem, includes antenna and transition cable Please login or signup for an online quote request.