Flexible and Inexpensive!

Product Description The BBS-550 is the Sysop's Choice around the world! Why? It's a snap to set up and no matter what BBS software you've decided on, the BBS-550 is probably already compatible. Just ask another Sysop. Then check out the competition. You won't find a more flexible and inexpensive 8 port board for starting a BBS! BBS-550 Features: 8 ports with 16C550 UARTS 4 ports can be configured as COM1:-COM4: FULL modem handshaking support As many as 64 ports per PC are possible! Interrupts may be shared, separate, or both (shared interrupts may be "daisy-chained" so only one interrupt is used) Flexible addressing and enhanced ISA interrupts Optional RS-422 and RS-485 Adapters available Works with all popular BBS software. Certified to work with X00 and SIO FCC Part 15 compliant

Technical Specifications

BBS-550 Non-Intelligent Multiport Serial Board

Dimensions	4.25" x 6.25"
Bus Type	ISA
Card Slot	16-bit
Card Style	½ -size
I/O Addressing Modes	8; 2 horizontal and 6 vertical modes
IRQ 's Supported	9; IRQ 's 2,3,4,5,7,10,11,12,15
Connectors	RJ-45
Data Cables	B8TM Telekit: 8-6 foot RJ45 to DB-25M (standard)
Interface Standard	Standard: EIA-232 (RS-232C) Optional: RS-422 or RS-485
Number of I/O Ports	8
Data Format	Asynchronous, start + data + stop bits.
Data Rates	110 bps to 115,200 bps (software selectable)
I/O Connector Configuration	DTE (Data Terminal Equipment)
Processor Type	Universal Asynchronous Receiver Transmitter
UART Part Number	16C550 (proprietary to component mfgr.)
FIFO Depth	16 bytes transmit, 16 bytes receive
Handshake	Full Modem Handshake Support
Device Driver Support	WindowsNT, Windows95, FreeBSD, BSDI, Linux, DOS, OS/2 (SIO)
Environmental	Operating Temperature: 0-70° degrees Celsius Operating Humidity: 0-95% relative humidity (non-condensing)
Power Requirements	Powered through ISA bus: 5 VDC, 12 VDC, -12 VDC @ 5 Watts
Modem Compatibility	Compatible with all RS-232 type modems including ISDN