Lynxspring DR-APUP-N4 SKU: DR-APUP-N4 Login for Pricing Limited Factory Stock Details Lynxspring DR-APUP-N4 : American Auto-Matrix PUP over RS-232 or RS-485 driver. (Approval Required for Purchase) Details Back DetailsLynxspring DR-APUP-N4 : American Auto-Matrix PUP over RS-232 or RS-485 driver. (Approval Required for Purchase) Stocked items ship in 1 business day. Factory items typically ship in 3-5 business days (estimate only). Actual times may vary.Email sales@energycontrol.com for more information.