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Isolation zones explained

Isolated serial card design requires attention to three things. Special optocouplers isolate the serial signals from the PCI bus. Unique isolated DC-to-DC power supplies provide power to each of the ports and give us port-to-port isolation. Finally, the circuit board uses strict spacing rules — we call these isolation zones. Surges follow the path of least resistance, and a tiny gap between traces is an easy path for surges to reach the delicate computer bus, bypassing expensive isolation components entirely. You’ll find wide isolation zones on B&B’s isolated PCI cards. If you’re buying boards from someone else, hold them up to the light and check for these isolation zones, you might not be getting the protection that you’re paying for.

Don't forget to check out our Non-Isolated Multi-Inteface PCI cards.

Home > Products > Serial Connectivity > PC Cards > MIPort Isolated Universal PCI Cards

One to Four Port RS-232/422/485 Cards – Optically Isolated Models

Unique Benefits:

Available in 1, 2 or 4 ports

Optically isolated models

Multi-Interface: RS-232/422/485 selectable

5V and 3.3V PCI bus compatible

PCI-X compatible

Positive-connecting DB9M ports

Ideal for:

Industrial monitoring and control

SCADA

POS

Medical

Security

New Universal PCI Cards suit most any application! Output can be RS-232, RS-422, or RS-485. Use RS-422 to extend range, RS-485 to extend range and provide multi-drop ability.

Optically Isolated Versions offer true 2000VDC isolation and port-to-port isolation. Compare B&B cards to others – B&B’s premium Optical Isolation Zone along with optocouplers and our unique isolated DC-DC converter design protect your PCs from voltage surges and ground loops.

DB9M connectors offer positive thumbscrew locking, more robust than phone jack connectors. Four and eight port models include fanout cables. Four port isolated model 3PCIOU4 has two RS-232/422/485 ports and 2 RS-422/485 ports. All models support baud rates up to 460.8 kbps. Windows XP, Windows 2008 Server (32/64 Bit), Windows Vista (32/64 Bit), Windows 7 (32/64 Bit), Linux Kernel 2.6.x in the following distributions: Ubuntu 10.04 Desktop Edition (32/64 Bit) and Ubuntu 10.04 Server Edition (32/64 Bit) supported.

Model Number	Ports	Interface	Connector		Price Change to GBP
3PCIOU1	1	RS-232/422/485	DB9 Male	Declaration of Conformity Datasheet Quick Start Guide Manual Drivers DoC Photo	Euro 171.09
3PCIOU2	2	RS-232/422/485	DB9 Male	Declaration of Conformity Datasheet Quick Start Guide Manual Drivers DoC Photo	Euro 249.22
3PCIOU4	4	2 Ports RS-232/422/485 2 Ports RS-422/485	2x DB9 Male on card 2x DB9 Male use 2nd expansion slot (ribbon cables and bracket included)	Quick Start Guide Declaration of Conformity Datasheet Manual Drivers DoC Photo	Euro 389.84

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