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Serial IO MKII

The Serial IO MKII is a telemetry unit targeted at railway applications.



It is suited to the following applications:

  • Protocol conversion. The Serial IO MKII supports a number of protocols commonly used in the railway industry and it supports a number of different carriers. It is designed to be very flexible in converting between different protocols and mapping control/indication bits in different scenarios allowing for a solution in almost any situation.
  • Remote digital input/output. The Serial IO MKII supports 32 opto-isolated digital inputs. It also has 32 relay contact closure outputs capable of driving track relays directly.
  • Remote analogue level sensing. The Serial IO MKII optionally supports 8 isolated analogue inputs. These inputs can measure 4-20mA current loops, ie for track temperature sensors, they can also measure 0-60 Vdc, ie for battery voltage level monitoring. Alarm thresholds can be set to trigger bit indications, or the full reading can be retrieved.

The Serial IO MKII has the following key features:

  • Protocol support. The Serial IO MKII supports the following protocols.
    • S2 protocol, master and slave. Multiple slave addresses supported.
    • Genisys protocol, master and slave. Multiple slave addresses supported.
    • Host protocol, master and slave. Multiple slave addresses supported.
    • UCE protocol, master and slave.
    • NTP protocol, client, to synchronise the internal real time clock.
  • Carrier support. The Serial IO MKII supports the following carriers.
    • Asynchronous RS232, 600 to 115200 baud.
    • Synchronous RS232, 600 to 9600 baud.
    • Ethernet TCP/IP master or slave.
    • Ethernet UDP/IP master or slave.
    • VF modem with 600 ohm interface, supporting V.21, V.22, V.23, Bel103 & Bell202.
  • Digital IO support. The Serial IO MKII digital IO has the following features.
    • 32 digital, opto-isolated inputs which can be driven from a large range of voltages.
    • 32 digital, relay contact closure outputs, which are capable of driving railway industry standard Q-series relays directly.
    • The digital IO connectors match, and are compatible with, the commonly used EDMI RailMaster Compact.
  • Analogue IO support (optional). The Serial IO MKII analogue IO has the following features.
    • 4 isolated 12 bit analogue to digital converters (ADC) inputs.
    • Each ADC input capable of reading 0-44v (10mV resolution) and 0-20mA (5uA resolution).
    • 4 digital, relay contact closure outputs, with both normally open (NO) and normally closed (NC) contacts accessible.
    • 4 digital, opto-isolator outputs.
  • All external connections are electrically isolated from each other.
  • Remote monitoring, configuration and even firmware update.
  • Multi-level SD card and/or remote logging with full time stamp.
  • Configuration load from SD card for easy deployment.
  • Low power operation, running from an 8 to 28 Vdc supply.
  • New Australian design, using new technology, fully supported with customisation available.
  • Regulatory Compliance Mark (RCM/C-Tick), ASNZS CISPR22/A.

Any control/indication bits can be mapped between any supported protocol and/or digital IO. Any protocol can run over any supported carrier. This makes the HASCOM Serial IO MKII well suited to resolve your protocol incompatibility issues.


Software downloads:

File Size Version Date Description Operating system
SerialIO_MKII_Manual.pdf 4.6 MBi Rev F 18/9/14 Installation, operation & maintenance manual. Any
Serial_IO_MKII_Config.exe 2.2 MBi V1.2.11 3/6/15 Configuration application for firmware v1.2.13 and later. Win XP/Vista/7/8
Serial_IO_MKII_Config 483 kBi V1.2.11 18/10/17 Configuration application for firmware v1.2.13 and later. Linux AMD64 GTK
SerialIO_Monitor.exe 1.8 MBi V0.2 Beta 29/4/14 Monitor application. Win XP/Vista/7
SerialIO_Monitor 112 kBi V0.2 Beta 29/4/14 Monitor application. Linux AMD64 GTK
SerialIoMKII_FirmwareUpdate.exe 2.1 MBi V1.2.13 3/6/15 Firmware update utility. ChangeLog.txt. Win XP/Vista/7
SerialIoMKII_FirmwareUpdate 1 MBi V1.2.13 18/10/17 Firmware update utility. ChangeLog.txt. Linux AMD64 GTK

Note: If either Serial_IO_MKII_Config.exe or SerialIoMKII_FirmwareUpdate.exe does not run on your Windows computer, you may need to install the "Microsoft Visual C++ 2008 SP1 Redistributable Package (x86)" from http://www.microsoft.com/en-au/download/details.aspx?id=5582


Sample configuration files (for config app v1.2 and later):

File Size Date Description
Railmaster_FEP-8sites.sio 564 bytes 24/3/12 Emulate a Railmaster in FEP mode with 8 field stations.
Full duplex modem (V.23 / FSK) link.
Railmaster_FieldStation-ID2.sio 564 bytes 24/3/12 Emulate a Railmaster field station with ID 2.
Full duplex modem (V.23 / FSK) link.


Software archive:

File Size Version Date Description Operating system
Serial_IO_MKII_Config-v1_02_05.zip 800 kBi v1.2.5 8/10/12 Configuration application for firmwares v1.1.0 - v1.2.6. Win XP/Vista/7
Serial_IO_MKII_Config-v1_02_01.zip 800 kBi v1.0 15/2/12 Configuration application for firmware v1.0. Win XP/Vista/7


For pricing, availability and to talk to us about your requirements, please contact us.




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