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Serial Connectivity

Serial Connectivity

Serial Conversion Improves Factory Operations

Data is the key to improving business performance. Getting data often and reliably means connecting equipment to a network. By using Ethernet for industrial communications, test results, measurements, commands and transactions are broadcast, received and analyzed quickly. Data mining and analysis techniques help specialists identify improvements. Improved algorithms are developed, and then distributed over the network to improve operational effectiveness.

Ethernet connectivity is taken for granted in the latest manufacturing, automation, access control and medical equipment. Older hardware, however, usually relies on serial communication, i.e., RS-232, RS422, and RS-485.  It doesn't lend itself to networking.

 

Using devices that provide serial connectivity, it's possible to avoid replacing this legacy equipment. Serial-to-Ethernet, serial-to-fiber and serial-to-wireless devices enable networking of hardware built before Ethernet became standard.

Product categories

Westward Sales offers devices for connecting older hardware to Ethernet. This includes:

  • PC interface cards
  • Ethernet device servers
  • Fiber converters
  • USB hubs and converters

PC interface cards

Intended when a PC is collocated near legacy hardware, interface cards are available for both the PCI and PCI Express buses. Cards are available with up to 16 serial ports; although, going beyond two ports requires a breakout cable to accept the DB9-style serial connector.

Interface cards are available for RS-232 only, RS-422/485 only, and RS-232/422/485. Some cards support three serial protocols.  In this case, each port can be individually set to a particular serial protocol. Parallel port cards are also available.

Ethernet device servers

A device server performs bi-directional conversion between serial and Ethernet protocols. Embedded firmware gives the device an IP address, allowing packetized data to be sent and received over Ethernet.  Ethernet device servers divide into three types:

  • Standalone
  • Rack mount
  • Wireless

Standalone device servers accept one or more serial connections usually through a DB9 style connector. Firmware handles the serial-Ethernet packet conversion, manages data transmission speeds, provides an IP address and handles security. Devices are available for all serial protocols. Dual Ethernet ports available on some device servers allow for daisy chaining or support for redundant network connections.

Rack mount device servers perform the same function but are configured for industrial equipment racks. Those carried by Westward Sales are 1U high and are available with up to 16 serial ports.

Wireless device servers provide one or more serial connections. They transmit data over WiFi using one of the 802.11 standards.

Fiber converters

These accept a serial connection and send the data out over fiber optics. This solves the problem of sending serial data across very large distances.  Single and multi-mode interfaces are available.

USB hubs and converters

The USB interface is widely used to connect external devices to a laptop or PC. Westward Sales carries hubs and converters allowing multiple components to connect through a single cable and to convert between Ethernet and USB.

Prolong the life of legacy hardware

Data drives improvement efforts.  Networking is essential to get that data where it's needed. Older manufacturing machines, automation, access control and medical equipment typically incorporate serial and sometimes USB interfaces.   These weren’t designed for Ethernet.   But, serial converters solve this problem enabling organizations to network their legacy equipment.

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MSC-102A 2-Port RS-232 Universal PCI CardThe MSC-102A from Antaira Technologies is a PCI se..
$39.00
MSC-102AL-1 2-Port RS-232 Universal PCI Card, Low and Standard Profile HeightThe Antaira Te..
$39.00
MSC-102B1, 2 Ports of RS-422/485, Universal PCI Card with Optional Surge and Isolation Protecti..
$87.00
Antaira MSC-102B1L 2-Port RS-422/485 Low Profile Universal PCI Card with Optional Isolation Pro..
$99.00
Antaira MSC-102C 2-Port RS-232/422/485 PCI Card with Optional Isolation and Surge Protection ..
$119.00
Antaira MSC-104A1 Universal PCI Card with 4 Ports of RS-232 Serial CommunicationThe MSC-104..
$79.00
Antaira MSC-104B, 4-Port RS-422/485 Universal PCI Card with Surge and Isolation Protection (Opt..
$179.00
Antaira MSC-104CL 4-Port RS-232/422/485 Universal PCI Serial CardAntaira Technologies’ New ..
$179.00
Antaira MSC-108A 8-Port RS-232 Universal PCI CardAntaira Technologies MSC-108A is a PCI-bas..
$169.00
Antaira MSC-108B 8-Port RS-422/485 Universal PCI CardAntaira Technologies MSC-108B is a PCI..
$249.00
Antaira MSC-116A 16-Port RS-232 Universal PCI CardThe Antaira Technologies MSC-116A is a hi..
$335.00
MSC-202A1-V2 PCI Express Card with 2 Ports of RS-232The MSC-202A1-V2, from Antaira Technologies,..
$69.00
Antaira MSC-202A1 PCI Express Card with 2 Ports of RS-232 and Oxford Single-Chip PCIeThe MSC-202..
$69.00
Antaira MSC-202AL1 2-Port RS-232 PCI Express Card, Low Profile (Support Power Over Pin-9)An..
$79.00
Antaira MSC-202ALP 2-Port RS-232 with 1 Parallel Port, Low Profile PCI Express CardThe Anta..
$69.00
Antaira MSC-202ALP1 with 2 RS-232 Powered Serial Ports and 1 Parallel Port, Low Profile PCI Express ..
$79.00
Antaira MSC-202B1 PCI Express Card with 2 Ports of RS-422/485, Optional Surge and Isolation Protecti..
$119.00
Antaira MSC-202B1L 2-Port RS-422/485 PCI Express Card with Choice of Isolation ProtectionAn..
$129.00
Antaira MSC-204A1 PCI Express Board with 4 RS-232 Powered PortsThe MSC-204A1, manufactured by An..
$99.00
Antaira MSC-204A2 4-Port RS-232 PCI Express Card with Power Over Serial ConnectorsThe MSC-2..
$109.00
Antaira MSC-204B1 4-port RS-422/485 PCI Express Card, Optional Surge and Isolation Protection ..
$239.00
Antaira MSC-208A1 8-Port RS-232 PCI Express Card with Powered PortsThe MSC-208A1, manufactu..
$189.00
MSC-208C-SI 8-port RS-232/422/485 PCI Express Card to Terminal Box with Surge and Isolation Protecti..
$729.00
Antaira MSC-216A 16-Port RS-232 PCI Express Card with Powered PortsThe MSC-216A1, from Anta..
$359.00
Antaira SED-1010S Industrial High-Speed RS-232 over CAT-5 Extender, 1.2 km Distance with Surge ..
$99.00
Antaira STE-501C RS-232/422/485 Serial to Fast Ethernet ConverterThe STE-501C is a gateway betwe..
$95.00
2-Port RS-232/422/485 To Ethernet Device Server *** Power Supply Not Included ***The STE-502C i..
$149.00
1-Port Industrial RS-232/422/485 To Ethernet Device Server (EOT -20°C ~ 70° C) *** Power Supply Not..
$179.00 $159.00
*** DISCONTINUED ***  This serial-to-Ethernet converter has been replaced with the STE-6104C-T...
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Antaira STE-6104C-T Industrial 4-port RS-232/422/485 to 2-port Fast Ethernet Device ServerThe ST..
$479.00
Industrial 8-Port RS-232/422/485 Serial Device Server, AC Input, 1U Rack Mount SizeA lot of auto..
$875.00
Industrial 16-Port RS-232/422/485 Serial Device Server, AC Input, 1U Rack Mount SizeA lot of aut..
$1,149.00
Antaira STF-300C RS-232/422/485 to Fiber Media Converter, Multi or Single-Mode or WDMThe STF-300..
$159.00
Antaira STF-401C RS-232/422/485 to Fiber Industrial Media Converter, Multi or Single-Mode, SC or ST ..
$249.00
Antaira STF-501C Industrial RS-232/422/485 to Fiber Converter, 2.5KV Isolation, Multi or Single-Mode..
$329.00
Antaira STF-502C Media Converter, RS-232/422/485 to 2 Fiber Ports, 2.5KV Isolation, Multi or Single-..
$459.00
Modbus TCP to Serial RTU/ASCII GatewayThe STM-501C, MODBUS gateway allows the legacy MODBUS RTU/..
$175.00
RS-232 To RS-422/485 Converter w/Surge Protection, Port-powered, (External Power Adapter Optional) ..
$42.00
The STS-1920SI - RS-232 to RS-232 Repeater with Surge and Isolation ProtectionVoltage spikes and..
$69.00
2-Port Industrial RS-232/422/485 To Wi-Fi Device Server (EOT -20°C ~ 70°C) *** Power Supply Optional..
$275.00 $225.00
1-Port (RS232/422/485) Industrial IEEE802.11b/g/n Wireless Serial Device Server, w/Bridge ModeTh..
$279.00
2-Port (RS232/422/485) Industrial IEEE802.11b/g/n Wireless Serial Device Server, w/Bridge ModeTh..
$349.00
USB Isolator: Provides 2,500Vrms Isolation Between a USB Host and USB Peripheral w/ Locking Feature ..
$119.00
3-Port USB 2.0 PCI Express CardThe USB-68101K high performing PCI Express to USB host bus adapte..
$69.00
USB-HUB3-7K-V2, 7-Port USB 3.0 Hub with Screw-Down, Locking ConnectorsUSB is the most popular wa..
$169.00
Industrial 4-Port USB 2.0 Hub with Locking ConnectorsThe USB-HUB4K is an USB 2.0 hub complaint w..
$89.00
Industrial 4-Port USB3.0 Hub, Metal Case, with Locking FeatureThe USB-HUB4K3 is a USB 3.0 Hub th..
$139.00
Industrial 7-Port USB 2.0 Hub with Screw-Down, Locking ConnectorsUSB is the most popular way to ..
$149.00
4-Port USB2.0 to Gigabit Ethernet ServerThe UTE-404K is a 4-Port USB2.0 to Gigabit Ethernet Serv..
$189.00
Industrial USB to 1-Port RS-232 Converter (DB9M) with TX/RX LED Indicators 80cm/2.6ftThe UT..
$29.00
USB to 1-Port RS-422/485 Converter (DB9), 1.8MThe UTS-1458B RS422/485 to USB Cable is designed f..
$59.00
USB To 1-Port RS-232 (DB9M) with Surge and Isolation, 2.5MThe UTS-1461A-SI USB to serial convers..
$89.00
Industrial USB To 1-Port RS-422/485 Converter (Locking Feature), w/ Surge & IsolationThe UTS..
$149.00
Industrial 2-Port RS-232/422/485 to USB 2.0 High Speed Converter with Locking ConnectorsThe UTS-..
$129.00
Antaira UTS-404A Industrial 4-Port RS-232 to USB 2.0 High Speed ConverterThe UTS-404A is a 4-Por..
$129.00
Antaira UTS-408A Industrial 8-Port RS-232 to USB 2.0 High Speed ConverterThe UTS-408A is an 8-po..
$229.00
Antaira UTS-416AK Industrial 16-Port RS-232 to USB 2.0 High Speed Converter with Locking Connectors ..
$399.00
SENA LS100 1-Port RS-232 To Ethernet Device ServerThe LS100 from SENA Technologies is a cos..
$68.99
SENA LS100B 1-Port RS-232 To Ethernet Device Server, No EnclosureThe LS100B from SENA Technologi..
$60.50
SENA LS110 1-Port RS-232 To Ethernet Device Server, Supports RFC-2217  The LS110 is th..
$85.99
LTC100-01 RS232-RS422/485 Converter with Surge Protection, Port-poweredThe LTC100-01 is a h..
$42.50
SENA NEMO10 10-Base-T Embedded Device Server Module and Optional Starter KitThe NEMO10 is a..
$19.75
PS110 1-Port RS-232/422/485 To Ethernet Device Server  The PS110 is a versatile single..
$130.99
PS110B 1-Port RS-232/422/485 To Ethernet Device Server - Bare Board  The PS110B is the..
$105.00
SENA Technologies PS410 4-Port RS-232/422/485 to Ethernet Device Server  The PS410 is ..
$350.99
SENA PS810 8-Port RS-232/422/485 To Ethernet Device Server  The PS810 is a versatile 8..
$524.99
SS100 1-Port RS-232/422/485 Programmable Device Server  The SS100 is a single-port sec..
$263.50
SS100B 1-Port RS-232/422/485 Programmable Device Server - Bare Board  The SS100B is th..
$237.50
16-Port Secure Terminal ServerThe STS1600 is a rack-mountable 16-port secure terminal server (or..
$1,054.00
4-Port Secure Terminal ServerThe STS400 is an 4-port secure terminal server (or multi-port devic..
$525.00
8-Port Secure Terminal ServerThe STS800 is an 8-port secure terminal server (or multi-port devic..
$701.00
Serial, Ethernet, Converters