GTEK Blackboard-4 16C550 UARTS, 4 Port ISA Card with BBS Guardian Watchdog, ST16C554DCJ

Blackboard-4 GTEK Serial ISA card

with BBS Guardian Watchdog. Manual included.
NO Software is included.

4 ports with 16C550 UARTS with 16 bytes xmit/rcv FIFO
As many as 36 ports per PC are possible
BBS Guardian Watchdog circuit resets the computer if the system locks up. (The BlackBoard-4L comes without the Guardian Watchdog)
Data rates up to 460.8 Kbps
Flexible addressing and interrupt structure
10 Conductor FULL modem handshaking support
Works with all popular BBS software: PCBoard, Wildcat, Worldgroup, MBBS, Searchlight, MindWire, Excalibur and more!
FCC Part 15 compliant
Operating System Compatibility
Windows 95, Windows NT, FreeBSD, BSDI, LINUX, OS/2 (using SIO) & DOS

BlackBoard-4 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 B4TM Telekit: 4-6 foot RJ45 to DB-25M (standard)
Interface Standard Standard: EIA-232 (RS-232C)
Optional: RS-422 or RS-485
Number of I/O Ports 4
Data Format Asynchronous, start + data + stop bits.
Data Rates 110 bps to 460,800 bps
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
    • Brand GTEK
    • Mfg Part # blackboard 4
Payment Methods
Shipping USPS, $8.00
Payment Policy

Visa,Mastercard,Amex and Discover are acceptable payments. Those wishing to pay by check, we only accept checks from National banks: US Bank, Bank of America, Wells Fargo, Chase and similar national chains. Square payments ? Just send your email and an Invoice is generated, and you handle payments with Square Payments. We are notified when you have paid and your order is immediately processed.
Paypal is the default payment gateway used by this site. Contact us first before checking out, if you prefer to use another payment method.

Business contact information including business address (city, state, country), phone #, and e-mail address
We are located in Maywood Park, Oregon, and we use a professional shipper for handling our incoming and outgoing mail and packages.
Shipper Address : 4223 SE 182nd Ave, , Gresham, OR 97030.
Messages (phone,email, text.....) are returned quickly.
Emails are usually returned within minutes through the eBluejay messaging portal which goes directly to our cell phones.
Or you can leave after hour messages: 971-248-0443

The country of the merchant outlet location is the United States. Oregon has no sales tax, so the final price with the shipping is the price. No Tax is added. ALL Items listed are in stock and ship directly. We do NOT drop ship.

Shipping Policy

Shipping can occur within an hour
Please NOTE - Expedited packages must have the order in prior to Noon to meet the courier's deadlines. SOME places in the United States are not offered for overnight delivery by USPS (we recently discovered). We can ship using your companies Fedex account. UPS couriers take extra time.
IF you must have your order overnight, Please contact us before ordering, so we can check the courier and make sure they do offer
overnight to your destination.

NOTE: As of August 2020, All overnight orders are being handled by FedEx. International orders are being processed by Endicia, via USPS Priority.

Return/Exchange Policy

7 Day return with no restocking fee., No re-stocking fee within the 7 day period. There is a 30 day limit for returns, and a 20% restocking fee after the 7 day grace period.. Buyer must return ALL included items in the condition they were shipped; Please use the anti static packaging and use tracking services, so we don't lose a package in shipping.

-Refund/exchange/cancellation or applicable warranty policies.

Cancellations must occur within 6 hours of the order; We usually ship withing the first 2 hours, and we ship Priority or Express Only.
Refunds must be approved and for a reasonable explanation. All items are new or are in New condition and without flaw(s).
Damages items from shipping or mishandling can be returned with a Return Authorization number. We package all orders in several boxes
and using suspension packaging to ensure a safe delivery.
Free Web Submission

Other Policies

Discounts are offered on multiple item sales. Large orders may take longer than 24 hours to ship, so please be advised.
Privacy Notice
This privacy notice discloses the privacy practices for our store. This privacy notice applies solely to information collected by this store.
It will notify you of the following:

What personally identifiable information is collected from you through the website, how it is used and with whom it may be shared.
What choices are available to you regarding the use of your data.
The security procedures in place to protect the misuse of your information.
How you can correct any inaccuracies in the information.
Information Collection, Use, and Sharing
We are the sole owners of the information collected on this site. We only have access to/collect information that you voluntarily give us via email or other direct contact from you. We will not sell or rent this information to anyone.

We will use your information to respond to you, regarding the reason you contacted us. We will not share your information with any third party outside of our organization, other than as necessary to fulfill your request, e.g. to ship an order.

We will not use your information to contact you in the future, unless you contact us and require a response.

Your Access to and Control Over Information
You may opt out of any future contacts from us at any time. You can do the following at any time by contacting us via the email address or phone number given on our website:

See what data we have about you, if any.
Change/correct any data we have about you.
Have us delete any data we have about you.
Express any concern you have about our use of your data.
We take precautions to protect your information. When you submit sensitive information via the website, your information is protected both online and offline.

We don't collect sensitive information (such as credit card data), that information is encrypted and is not transmitted to us. EVO Payments
and Dwolla payments do not send us your credit card information.

While we use the shipping address, this sensitive information you've transmitted online, we also protect your information offline. Only employees who need the information to perform a specific job (for example, billing or customer service) are granted access only to the shipping address information,
and email address if provided. The computers/servers in which we store personally identifiable information are kept in a secure environment.

If you feel that we are not abiding by this privacy policy, you should contact us immediately via telephone via email.

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