Seco-Larm Seco-Larm RD-304-D1Q 4-Port Data Distributor JMAC# SECO-LARM-RD-304-D1Q The ENFORCER RD-304-D1Q RS-485 Data Distributor transmits a single RS-485 or RS-232 input to four (4) RS-485 outputs. UPC: 676544002222Also known as: SL-RD304D1Q, RD304D1Q Technical Specifications: MSRP: Was: Now: $127.00 Add to Cart