Check the listing for details. B&B Electronics 422OPINA Industrial Isolated RS-232 to. Condition: New – Open box. Listed at 49.00 USD. B&B Electronics 422OPINA Industrial Isolated RS-232 toIndustrial Isolated RS-232 to RS-422 Converter--New Surplus--Not In Box--11/20KH SS222-T-8-2-4-A-1---CC 114160---1.00# Payment Policy Payment through PayPal or Contact Brooks Motor & Electric for Credit Card approval. Return Policy Returns accepted within 30 days. Items sold as is cannot be returned, unless description is in error. Buyer pays return freight. Shipping Policy We ship almost all items with 1 business day of cleared payment. We ship USPS and UPS. We can ship on your account. If you will be shipping freight, please be sure to provide all delivery contact information including a phone number. We will need to know if you have a fork lift or dock. Powered by SixBit's eCommerce Solution