This is new tested as working RS-232 Interface Module for Veeder-Root TLS-350. Please contact us with any questions.

 All items ship within one business day of cleared payment. Returns Items are guaranteed working with a 6 month replacement warranty. All items are pretested, but in the case of an item being defective, a buyer may exchange for a working item. This does not cover improper use of items. This is not an open return policy - its purpose is to exchange defective items under the 6 month replacement warranty.