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When you buy from Roalan you will be treated well, you will get a high-quality product which will not cost you a fortune. And you will get more satisfaction out of your purchase than you expected.

Join our Many satisfied customers all over the world.

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Embedded ARM9 CPU Modules
ARM processors boast energy-saving operation while offering very good processing power. Arm 9 processors are ideal for mobile battery powered applications

Serial Comms Cards 
PCI-X 3.3V (3.3 Volt) 64 bit, PCI Express (PCIe) and PCI serial 1 to 16 port serial communication adapter cards/boards including  low profile half height

Intelligent Serial Cards
4 to 128  Port  Intelligent Serial RS232 RS422 RS485 

Parallel Printer Cards
PCI-X 3.3V (3.3 Volt) 64 bit and PCIe Express parallel printer adapter cards/boards including low profile half height

Serial plus Parallel Combo
PCI Express (PCIe) and  PCI-X 133MHz 64bit Dual Serial RS232 and Parallel Adapter
                     

Gigabit Ethernet Cards
PCI-X 3.3V (3.3 Volt) 64 bit Network Gigabit Ethernet cards/boards. PCI-Express Gigabit adapter. Copper and fibre

Multi-Modem Cards
PCI/PCI-X 3.3V (3.3 Volt) 64 bit Multi- Modem Adapter cards/boards

RS422 RS485 Cards
PCI Express (PCIe), PCI, PCI-X 3.3V (3.3 Volt) 64 Bit RS422 RS485 Serial Comms cards/boards

PCI to USB Cards 
PCI, PCI-X PCI Express (PCIe) to USB V2.0 Adapter cards

USB to Serial converters
USB to Serial RS232 RS422/485 1 to 4 Ports Adapters

USB to Serial converters
USB to Serial RS232 RS422/485 8 and 16 Ports Adapters

USB to PCMCIA
USB Adapter for Cardbus Wireless Modem 3G Cards

USB 3G Modem
USB to 3G Wireless Modem for mobile cell phones

ExpressCard to Serial
ExpressCard to Serial RS232 Card

PC Card  to Serial 
PCMCIA Cardbus to Serial RS232  Adapter Cards

PC Card  to Parallel 
PCMCIA Cardbus to Parallel Printer and Dongle Cards

PC Card to Serial RS422/485
PCMCIA Cardbus to Serial RS422 RS485 Adapter Cards

ExpressCard To PCMCIA Adapter
Converts ExpressCard slot to PCMCIA CardBus PC Card

PCI/PCI-X Firewire Cards
PCI PCI-X 64 bit 3.3V (3.3 Volt) to Firewire (IEEE1394) low profile half height  adapter cards/boards,

Ethernet to Serial Servers
Ethernet to Serial RS232 RS422 RS485 1 to 16 Port Adapters

Serial to Bluetooth
The BT232 supports Bluetooth Wireless Cordless communication between controllers/devices that have a RS232 serial port interface. The BT232 Bluetooth Wireless Cordless to RS232 Serial Port Converter Adapter communicates up to 100 metres/300 feet with up to 115.2Kps speed. 

Wireless Network-based Serial Device Server
Wireless WiFi LAN IEE802.1b to RS232 RS422 RS485 Serial Adapters

GSM to Serial
Mobile Cell Phone to Serial RS232

Quatech Products
Order Quatech products on-line

VSCom Products
Order VScom products on-line

PCI Modem
HSDPA PCI wireless 3G cellular modem card is a perfect solution of wireless internet connectivity for your remote PC based applications such as POS and information terminals or in internet kiosks

3GWireless Cellular Router
The EA511 wireless router gives you everything you need to set a small to medium network with internet access. Connection to the internet is via an ADSL line or 3G broadband cellular Wireless connection (PCMCIA card and SIM required from your chosen service provider)

CAN-BUS to Ethernet
The VScom NET-CAN 110 provides CAN-BUS communication over Ethernet. It provides completely secured communication for both data transfer and configuration to the attached CAN devices

CAN-BUS to USB
The VScom USB-CAN is an adapter from USB to CAN. It connects a PC via the USB interface to the CAN bus. Since current computers all have several USB ports, the installation is simple

CAN-BUS to Serial
The VScom SER-CAN is an adapter from serial port to CAN. It connects a PC via any serial port to the CAN bus. Many computers still have a serial port, the installation is simple

GSM Cell Phone Mobile Remote Switch
Your mobile cell phone becomes your remote control. You will be able to open barriers and doors, switch on heating and cooling  with your mobile cell phone. Just dial from authorized user number and the barrier and doors are opened, heating switch on, computer powered up, or any electrical device switched on or off

GSM Cell Phone Mobile Controller
The TWCT allows you to monitor and control your remote units/equipments. It's a product which not only enables remote monitoring and control but also sends you SMS/Email in case of alarm conditions

GSM Edge 3 G Mobile Cell Phone Camera
The  MVC100 EDGE (3G) Mobile Wireless Cell Phone Camera is a compact Mobile Wireless surveillance CCTV and monitoring system for transmission of high resolution video and single images via GPRS/EDGE network. In places with no land line Internet available

VSCom Comparison

holidayhomeheating

 

 

 

PCI PCI Express and PCI-X RS422/485 Adapter Cards

 

 

 

 

Single Serial  PCI-X 3.3V RS422/485 Single Serial PCI 5V RS422/485 Dual Serial PCI/PCI-X 3.3V/5V RS422/485
Dual Serial  PCI 5V RS422/485 Dual Serial PCI Express RS422/485 Quad Serial PCI 5V RS422/485
Quad Serial PCIe RS422 PCMCIA RS422/485

 

 

pci-x serial rs422/485

SS400 PCI-X 64 bit 3.3Volt (3.3V) Serial Communication Adapter Card/Board  RS422/485 Galvanically isolated

Compatible with 3.3 volt (3.3V) PCI-X 64 bit expansion slots - Dell, Compaq, IBM, Intel chassis
State-of-the-art advanced design permits high baud rates with ESD protection and Isolation
32 / 64 Bit PCI / PCI-X 64 bit bus slots (3.3 volts (3.3V) only)
Low Profile/Half Height and Standard Height Mounting brackets included
2500 volt Isolation with onboard DC-DC isolated converter
15kv ESD Static Protection (25 kv optional)
128 Byte Transmit / Receive Buffers
Hardware Auto-Flow Control
Full / Half Duplex serial communication support
Maximum serial communication Baud Rate 15 Megabaud (requires clock change)
Supports up to 921k baud serial communication without clock change
Thermal and Current protected transceivers
Multiple serial communication adapter board/cards may be installed for additional serial ports
Device Driver support for: Vista, Win 95/98, Win ME, Win XP/XP Pro, Win NT/NT Server, Win 2000/2003/8 32/64 bit Server,  Linux (Contact us for details)
5 year warranty

SS400 £99.00

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SS500 PCI 5Volt (5V) Serial Communication Adapter Card/Board  RS422/485 Galvanically isolated

Single High Speed RS422/RS485 PCI compatible Serial Port
Low Profile MD1 Size (121.79 mm)
Bracket Height 79.2 mm (3.118")
Standard & Low Height Brackets included
Use in 32 bit 5 volt PCI expansion slots
16C950 UART
128 Byte Transmit / Receive Buffers
Slew Rate controlled 10 Mbaud RS422/RS485 Transceiver
Maximum Baud Rate 10 Megabaud (requires clock change)
Support up to 921k baud without clock change
Plug & Play Compatible
RS422/RS485 Electrical Interface
Full / Half Duplex Support
Onboard Power status LED indicators
25 kv ESD + 25 Kv HBM Surge Protection
Thermal and Current protected transceivers
+5 Volt Only PCI Design
2500 volt Isolation with onboard DC-DC isolated convertor
PCI Bus 2.2 Compatible
Power Management 1.0 Compliant
Compatible with AMD Athlon / Pentium CPU Motherboards
Low Noise 4 Layer PCB
Device Driver support for: Vista, Win 95/98, Win ME, Win XP/XP Pro,Win NT/ T Server, Win 2000/2003/8 32/64 bit Server, Linux
5 year warranty

SS500

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Special Baud Rate(s) state what you require in the comments

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DS460 PCI 5V Dual RS422/485 Serial Communication Adapter Board/Card

Dual (2) High Speed 16950 PCI Serial Ports

16C950 UART

128 Byte Transmit / Receive Buffers

TX+ and TX- lines RX+ and RX- lines
RS422 / RS485 switch selectable operation modes
RS422 Mode TX and RX ACTIVE
RS485 Full / Half Duplex support
15kv ESD HBM Surge Protection (25kv IEC61000-4-5 optional)
Fail Safe Receiver Biasing
RS485 Auto-gating of the transmitter via hardware
Plug & Play Compatible
Support for TX and RX line reversals
Slew Rate controlled transceivers for Error-free communications
Short-Circuit and current protected transceivers
Onboard switch selectable 120 ohm terminators (user provided terminators are optional)
Default clock 1.8432 Mhz (460k max operation). Higher speeds will require optional clock modification
+5 Volt Only PCI Bus Design
PCI Bus 2.2 Compatible
Power Management 1.0 Compliant
Compatible with AMD Althlon / Pentium CPU Motherboards
Low Noise 4 Layer PCB
IRQ Sharing Capable (Both ports use SINGLE Interrupt)
FCC Class B and CE Approved
Device Driver support for: Vista, Win 95/98, Win ME, Win XP/XP Pro Win NT/NT Server, Win 2000/3/ 2000/3/8 32/64 bit Server, Embedded XP, Linux (Call for info)
5 year warranty

DS460

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pci-x 3.3v 3.3 volt rs422/485

DS450 PCI/PCI-X 64 bit 3.3Volt (3.3V) /5V Dual RS422/485 Serial Communication Adapter Board/Card LowProfile/Full Height

Universal PCI Connector, 3.3Volt (3.3V) and 5V
MD1 Low Profile/Half Height PCI Board/Card - fits 2U racks without riser cards (Standard height bracket supplied)
Two independent serial RS422/485 communication interfaces
Auto enable/disable RS-422/485 transmitter
Full Duplex and Half Duplex modes available
Speeds to 460.8 kbps
16550 UARTs with 16-byte FIFOs
All ports share a single PCI interrupt
Standard D9 connectors via included cable
Windows 95/98/Me/NT/2000/XP/Vista and Linux supported
Five year warranty

DS450

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pci serial isolated rs422/485

QS422 PCI 5V Quad Serial Communications Adapter Board/Card RS422/485 Isolated High Speed 

Supports communication speeds up to 10 Mbps

Fast speed: Default support up to 460K Galvanic Isolated RS422/485 interface
Maximum serial communication Baud Rate 10 Megabaud (requires clock change)
New State-of-the-art design offers advanced features + Isolation
Low Profile Size
Low Profile Bracket Height 79.2 mm (3.118")
Standard Height bracket available for standard height PCI expansion slot
Quadplex Cable Included (HD44M to 4 of DB9M)
16C950 UART
128 Byte Transmit / Receive Buffers
ISOLATED TX+ and TX- lines
ISOLATED RX+ and RX- lines
ISOLATED Ground
RS422 / RS485 selectable operation modes
RS422 Mode
TX and RX ACTIVE
RS485 Full / Half Duplex support
25kv ESD Surge Protection (IEC-61000-4-5)
RS485 Auto-gating of the transmitter via hardware
Plug & Play Compatible
Onboard 3KV Isolated DC-DC Converter
Support for TX and RX line reversals
Slew Rate controlled transceivers for Error-free communications (115k / 500k / 10Mbs
Short-Circuit / Thermal and current protected transceivers
Device Driver support for: Vista, Win 95/98, Win ME, Win XP/XP Pro, Win NT/NT Server, Win 2000/2003/8 32/64 bit Server
Plug & Play in Linux (Call for RS485 info)
5 year warranty

QS422

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DS842 PCI Express Dual Serial adapter to support 1x, 4x, 8x, 16x Lane bus slots with RS422/RS485 interface

2 (Dual) Serial Port RS422 / RS485 I/O Port Card for your 1x, 4x, 8x, 16x lane PCI Express expansion slot Compatible with all PCI Express motherboards

Introducing the industry's most advanced add-on 2 serial (16950) adapter for PCI Express. This cutting edge design permits a quick installation of 2 of RS422/RS485 serial to any brand of computer system. This single slot, standard height adapter is provided with support for Microsoft Windows 9x, ME, 2000, XP, XP64, NT4, 2003-32 bit, 2003-64 bit and Linux (32/64 bit). Furthermore, Linux users will welcome the ease of installation of this advanced card by not having to recompile kernels, without embedding add-on device drivers, without inserting add-on modules for RS422 interface. The DS842 card is Plug & Play supported by all current Linux kernels.

Dual (2) High Speed 16C950 Serial Port for PCIe / PCI Express expansion slots
Bus design compatible with 1x, 4x, 8x, 16x lane expansion slots
Onboard 2 of DB9 Male connectors
Standard height mounting
Slew rate controlled transceivers
CTS+, CTS-, RTS+, RTS-
16C950 UART ( 8x buffer than 16550)
128 Byte Transmit / Receive Buffers
RTS / CTS Hardware Auto-Flow Control
10 Megabaud RS422/485 Transceivers
Plug & Play Compatible
Software Selectable NON-VOLATILE Clock Divisors
RS422/485 Electrical Interface
25 kv ESD Surge Serial Port Protection
Short-Circuit / Thermal and current protected RS422 / RS485 transceivers
Transceivers contain onboard charge pump
Device Driver support for: Vista 32/64, Win 95/98, Win ME, Win XP/XP Pro, Win NT/NT Server, Win 2000/2003 & 2003/8 32/ 64 bit Server, Embedded XP, Plug & Play in Linux (Tested in RH 7.x, 8.x, 9.x, FC1-FC3, ES and more)

DS842

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QS842 PCI Express 4S Multiport adapter to support 1x, 4x, 8x, 16x Lane bus slots with RS422/RS485 interface

4 (Quad) Serial Port RS422 I/O Port Card for your 1x, 4x, 8x, 16x lane PCI Express expansion slot Compatible with all PCI Express motherboards

Introducing the industry's most advanced add-on 4 serial (16950) adapter for PCI Express. This cutting edge design permits a quick installation of 2 of RS422 serial to any brand of computer system. This single slot, standard height adapter is provided with support for Microsoft Windows 9x, ME, 2000, XP, XP64, NT4, 2003-32 bit, 2003-64 bit and Linux (32/64 bit). Furthermore, Linux users will welcome the ease of installation of this advanced card by not having to recompile kernels, without embedding add-on device drivers, without inserting add-on modules for RS422 interface. The DS842 card is Plug & Play supported by all current Linux kernels.

Quad (4) High Speed 16C950 Serial Port for PCIe / PCI Express expansion slots
Bus design compatible with 1x, 4x, 8x, 16x lane expansion slots
Quadplex Cable Included (HD44M to 4 of DB9M)
Standard height mounting
Slew rate controlled transceivers
CTS+, CTS-, RTS+, RTS-
16C950 UART ( 8x buffer than 16550)
128 Byte Transmit / Receive Buffers
RTS / CTS Hardware Auto-Flow Control
10 Megabaud RS422 Transceivers
Plug & Play Compatible
Software Selectable NON-VOLATILE Clock Divisors
RS422 Electrical Interface
25 kv ESD Surge Serial Port Protection
Short-Circuit / Thermal and current protected RS422 transceivers
Transceivers contain onboard charge pump
Device Driver support for: Vista 32/64, Win 95/98, Win ME, Win XP/XP Pro, Win NT/NT Server, Win 2000/2003 & 2003/8 32/ 64 bit Server, Embedded XP, Plug & Play in Linux (Tested in RH 7.x, 8.x, 9.x, FC1-FC3, ES and more)

QS842 

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Roalan delivers products worldwide.
VAT will be added to all UK and EU (without a VAT number) deliveries

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