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DATAFORTH LDM422 ISOLATED MODEM RS-232/422 CONVERTER

$10.00

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There is only 1 left in stock.

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Ships in 3 business days Details
$10.00 to United States

Offer policy

OBO - Seller accepts offers on this item. Details

Return policy

Refunds available: See booth/item description for details

Purchase protection

Payment options

Shipping options

Ships in 3 business days Details
$10.00 to United States

Offer policy

OBO - Seller accepts offers on this item. Details

Return policy

Refunds available: See booth/item description for details

Purchase protection

Payment options

Item traits

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Category:

Everything Else

Quantity Available:

Only one in stock, order soon

Condition:

New

Listing details

Shipping discount:

No combined shipping offered

Posted for sale:

More than a week ago

Item number:

43091319

Item description

saleWizard 2000 Listing Template - AW2KLOT#:7666 DATAFORTH LDM422 ISOLATED MODEM RS-232/422 CONVERTER We gladly ship worldwide! title Description Dataforth LDM422 RS-232 to RS-422 converter. Features: Complete Isolation with Optical Couplers and Power DC-to-DC Converter Industrial Surge Protection Devices Six LED Diagnostic Indicators DC to 19,200 Baud at 6000 Feet (1800M), 9600 Baud at 3 Miles (5KM) Request-to-Send, Clear-to- Send Handshake Tri-State Outputs for Multidrop Applications Selection of Connectors Wide Operation Temperature Range Solderless Screw Terminal Field Connections The LDM422 is a compact RS-232 to RS-422 converter which features a complete electrical isolation barrier and heavy duty electrical surge protectors. These devices feature a rugged aluminum enclosure small enough to mount on the back panel of typical computer equipment, saving valuable desk and floor space. Isolation is provided by optical couplers and a DC-to-DC converter. The RS-232 connection is through male or female EIA 25-pin connectors. The RS422 connections are made through convenient solderless screw terminals. The LDM422 series is designed for full duplex operation over two-wire pairs. Outputs are tri-state, allowing multidropping of up to 32 units. Hardware handshake is available over two separate wire pairs. Data rates are 75 to 19,200 baud. Six diagnostic LED indicators are provided for installation guidance and system troubleshooting. The RS-232 interface supports Request To Send, Clear To Send, Data Set Ready, Received Line Signal Detect, and Data Terminal Ready. A convenient null modem switch is provided for the data lines. The RS-422 interface supports Request To Send and Clear To Send on separate wire pairs. The LDM422 may be used to convert two sets of send and receive channels by using RTS and CTS circuits as the second data channels. Data rates are the same. The units use 12VAC from a wall-mounted transformer or to pins 9 () and 10 (-) of the RS-232 connector. The LDM422 conforms to EIA RS-232 and RS-422 specifications. Data Terminal Ready must be asserted by the host RS-232 port before the LDM422 can transmit data. When Data Terminal Ready is not asserted all outputs of the LDM422 are high impedance, allowing up to 32 LDM422 units to be multidropped on a common communications cable. See Figure on page 2 for details. Request To Send and Clear To Send are carried through the RS-422 port as two separate wire pairs. These may be used for full duplex flow control. saleincludes: Dataforth LDM422 unit and power supply. Item is new old stock. It does not appear to have been used. Power suppply runs on 230VAC 50Hz. This can be substitued with any 12VAC 6VA power supply. Don't forget to place your bid. Buyer pays all shipping costs. Shipments made to California must include 8.75% sales tax unless we are provided with a valid resale certificate. We reserve the right to ship with Fedex ground, USPS and any other carrier in the best interests of the buyer and seller. The Parcel post option is only available to alaska, Hawaii, and US territories only. If you select parcel post and you live in the lower 48 states you package may be sent by another carrier and/or an additional shipping amount may be required. Payment Terms: Payment is to be made by PayPal in U.S. funds. Please contact us if you have any questions about recent payment policy change. Payment is to be received within ten days of close ofsale. Should payment not be received within ten days the item will be re-listed and high bidder will forfeit. No personal checks will be accepted. International Terms: (These terms only apply to international shipments.) Buyer is responsible for all brokerage, customs, and or duty charges. Not all items are available for international shipment due to import/export regulations. In the event that we are unable to ship to buyers country, buyer will receive a full refund. Payment must be made in US Dollars. Money must be drawn against a US bank. Warranty Terms: No warranty nor guarantee is expressed or implied regarding: usability, functionality, merchantability, or cosmetic appearance of the item(s) insale. What you see in the picture(s) is what you get nothing more nothing less. Test results of item(s) insale are described to the best of our ability in the ad. The results of all tests that are performed are disclosed in the ad. Items sold as "Untested" are simply that we have been unable to test the item(s) due to missing cables/adapters/toner cartridge/ksu/etc, lack of time, or other restrictions, Such as when we sell a laptop that we don't have an AC adapter for. Our only guarantee is that you will receive the make and model listed in the ad. The maximum liability of BetterBizequipment(the seller) is the high bid of thesale. Return Terms: Returns are only allowed under cases of gross misrepresentation in the ad, such as when we describe a monitor as a fax machine. Such claims of misrepresentation must be filed within three days of receipt of shipment. Betterbizequipment reserves the right to replace the item(s) or refund the high bid solely at our discretion. Item must be returned in the original box and packaging. Bidder must request a RMA number before returning item(s). Packages returned without a RMA number will become property of Bbetterbizequipment ten days after receipt unless buyer has paid return shipping within the ten day period. Shipping Damage Terms: Seller will file a shipping claim(s) upon behalf of the buyer with common carrier in the event shipment(s) is/are damaged during shipping, in most cases. Not retaining the original box and packaging may affect the carriers decision on a claim. Seller will commence filing the claim once buyer has filed the damage report with the seller. Buyer must notify seller within 48 hours of receipt of a damaged shipment. Medical Terms: The following terms apply to any and all medical items or any item offered for sale in any medical category or any item that deems these terms are applicable to: The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item. The buyer will not hold the seller, or the item's manufacturer responsible for the appropriate or inappropriate use of this device either by the user or a third party. Once purchased, it is the sole responsibility of the purchaser to assume any and all liability from the use of this device. If any provision of thissale Contract is held unenforceable, All remaining provisions of this Contract shall remain in full force and effect. Copyright 2011 Betterbizequipment - All Rights Reserved. saleWizard 2000 - The Completesale Management Software Solution On Nov-08-11 at 07:52:04 PST, seller added the following information: Use the FREE Counters 1 million sellers do - Vendio!
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