SPX+ is the latest generation of sensorProbe devices.

  • *Custom configurations available upon request here.


SPX+ is the latest generation of sensorProbe devices. For racks, 1U or tool-less 0U mounting are available. For Industrial applications, DIN rail mounting is an option. SPX+ employs a modular system, allowing you to build up your unit, only paying for the features you need.

A wide range of environmental and security monitoring sensors can be used with SPX+, including Thermal Map Sensors for identifying cabinet hotspots, and RFID Swing Handle Locks to secure your cabinets.

For remote site locations, an internal GSM cellular data modem can be installed to maintain connectivity and send alerts.

Both Expansion (EXP) and Basic Expansion Bus (BEB) technology comes as standard on every SPX+.

SPX+ is well suited for use in both Data Center and Industrial applications. Anyplace you need sensor monitoring you can deploy the SPX+.

SPX+ Modules

The below modules can be added to the standard configurations to build up the device with what you need. For example, if you wish to have 12 sensor ports, you can order an SPX8 and an additional sensor4 module.

If your configuration exceeds 1U then there is the option to continue the configuration on an additional U connected via BEB to the base unit.

The Main Control Unit is the core of the SPX+. A mandatory module, it forms the base configuration of every unit. With 4x intelligent sensor ports you can begin to monitor a wide variety of sensors out of the box. The Ethernet port provides network connectivity. An Expansion (EXP) port provides connection of SPX+ EXP units, which can be extended up to 18 meters total length. A buzzer for alerts and alarms is built in to this module.

The Sensor 4 Module gives additional intelligent sensor ports, allowing you to build your SPX+ to your requirements. Connect a wide range of intelligent sensors and smarkRack sensors such as thermal maps and RFID Swing handle locks.

The 5V Isolated Dry Contact Module allows you to add dry contacts monitoring in x10 & x20 blocks. The dry contact can be specified to be I/O, isolated input only (internal 5V), or isolated input only (external 5-20v). Dry contacts can be used to monitor a variety of third-party devices and alarm panels.

The Cellular Data Modem module can be added to your SPX+ to give a primary or backup method of communication. Send SMS and email alerts directly from the device through a cellular data network. Ideal for remote site locations and those with unreliable DSL connections. Data modems are available in 3G and 4G versions.

Additional information

Weight N/A


The latest generation of sensorProbe devices, in a form factor that allows for 1U, 0U, and DIN rail mounting. A low profile design that is economical on cabinet space. SPX+ comes in several standard configurations or can be customized by choosing from a variety of modules such as dry contact inputs, IO’s, internal modem, and additional sensor ports.

• Every SPX+ is equipped with Ethernet, Modbus RS485, EXP and BEB communications
• Compatible with SPX+ EXP and BEB units, expand the capabilities of your device.
• 1U rackmount brackets, Tool-less 0U mounting or DIN rail mounting options.
• Virtual Sensors.
• Notification by SNMP, Email, SMS (requires optional cellular modem), built-in buzzer.
• Compatible with wide range of AKCP Intelligent sensors.
• Start with the base configuration and build up your device with modules you need.

Intelligent Sensors
SPX+ is compatible with all AKCP Intelligent sensors, making it an extremely versatile and cost-effective monitoring solution. From the data center, to remote sites, and industrial controls it has you covered.

Environmental Monitoring Sensors

Wherever monitoring of environmental conditions is important to your daily operations and health of equipment, deploy sensors to monitor temperature, humidity, airflow and water leaks.

Security Sensors

RFID Access control swing handle cabinet locks, door contacts and motion detectors will keep you in tune with the security situation at your sites down to cabinet level. Control who can access and when with RFID access control, centrally managed and monitored through AKCP Pro Server.

Power Sensors

AC Voltage detection, DC voltmeters, sensor controlled relays and power metering can all be done on the SPX+

Specialized Sensors

Ultrasonic tank level sensors can monitor for liquid levels in fuel tanks, oil storage, chemical tanks and so on. Any tank up to 2 meters in depth can be monitored. Alarms generated when levels drop to critical levels, making sure you can re-fill with sufficient notice. Other specialized sensors include the keyswitch override, to disable notifications while maintenance work is being performed, and a programmable LCD display.

AKCP Pro Server (free with the purchase of SPX+)

• Manage cabinet maps, sensors, access control and other equipment from anywhere in the world.
• Monitor data center maps and drill down to single cabinets.
• Automate notifications based on sensor, power or access control sensors status.
• Notification Wizards: SNMP traps, Email, Popup Messages, SMS, Remote Unlock (and more…)
• Use custom scripts for complex sensor input or notification outputs.


SPX+ Standard Configurations

SPX+ is available in several standard configurations. These “off the shelf” units cover most peoples monitoring requirements. These base configurations can be built upon, adding features with additional modules.


• 4x intelligent sensor ports.
• 1x EXP / Modbus / RS485 port.
• 1x BEB port.
• 1U rack mounting, brackets included.
• Short DIN rail mounted version available. (SPX4-D)
• Basic configuration, build your customized device with additional modules.


• 8x intelligent sensor ports.
• 1x EXP / Modbus / RS485 port.
• 1x BEB port.
• 1U rack mounting brackets included.
• Short DIN rail mounted version available. (SPX8-D)


• 4x intelligent sensor ports.
• 10x I/O Dry contacts. (Isolated dry contact options also available, please see list of optional modules)
• 1x EXP / Modbus / RS485 port.
• 1x BEB port.
• 1U rack mounting, brackets included.
• Short DIN rail mounted version available. (SPX4-X10-D)


• 8x intelligent sensor ports.
• 20x I/O Dry contacts. (Isolated dry contact options also available, please see list of optional modules)
• 1x EXP / Modbus / RS485 port.
• 1x BEB port.
• 1U rack mounting, brackets included.
• Additional modules will exceed 1U length and require 0U mounting, or additional 1U BEB unit.


• 8x intelligent sensor ports.
• 60x I/O Dry contacts. (Isolated dry contact options also available, please see list of optional modules)
• 1x EXP / Modbus / RS485 port.
• 1x BEB port.
• 2U rack mounting, brackets included. (Optional mounting “back to back” in 1U)
• Configuration consists of master SPX+ and additional BEB unit.

*Custom configurations available upon request here.

Expansion Architecture

Expansion Architecture Every SPX+ comes with both EXP (Expansion) and BEB (Basic Expansion Bus) ports. These expansion ports give you the ability to add functionality to your base device, so your system can grow with your needs.

Basic Expansion Bus (BEB)
BEB is suitable for short distance expansion within your cabinet. Build up your system adding additional SPX+ BEB Remote units. Daisychain the expansion units up to a maximum of 18 meters for the total chain. SPX+ BEB Remote units are cost effective expansion when you place the unit within the same or neighbouring cabinet.

Expansion (EXP)
EXP is used where you need to extend the distance up to 300 meters. SPX+ EXP Remote devices can be daisy-chained, with a maximum of 300 meters between each unit.


• 44 (W) x 46 (H) low profile design
• Supports connection of: Modbus RTU, E-Sensor8, E-Opto16 and CCU Expansion modules through optional EXP port

• 0U Toolless rack mount, optional wall mount brackets, horizontal 1U mounting or DIN rail brackets

• External 5V 2A Power Adapter
• Input Voltage and Current ratings : 100V~240V – 0.22A
• Optional internal power supply

Status Indication
• LED indication for power, network connectivity
• sensor online and threshold

• Manufactured using highly integrated, low power surface mount technology. All units undergo a minimum 48 hour burn in cycle to detect infact mortality

Operating Environment
• Temperature : Min. -35° C – Max.70° C
• Humidity: Min. 20% – Max. 80% (Non-Condensing)

• 1,400,000 Hours based on field experience with sensorProbe units.

Base Unit
• 4x Sensor Ports for connecting AKCP sensors or swing handle cabinet locks
• 1x Expansion Out Port (Optionally used for Modbus)
• 1x 10/100 Ethernet Port

Max Sensors
• Maximum of 150 onlined sensors, including Expansion Units and virtual sensors.
• Reduced to 50 if VPN is enabled

SPX+ Modules
• GSM or CDMA 3G cellular data modem with external antenna
• 4x Sensor Ports module for connecting AKCP sensors or swing handle cabinet locks
• 10x or 20x Dry Contacts module, available in 3 configurations :
Configurable I/O dry Contact (0VDC/5VDC)
Input only 5V Dry Contact, opto-coupled input
Isolated input Dry Contact, from 5V to 20V voltage input signal

Video Presentation


sensorProbe X+


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