Lantronix 200.2070A RJ45 to DB9F Serial Adapter (DCE Device) Color: Gray Type: Network Adapter Changer Type: RJ45 to DB9F Connector A: 1 x RJ-45 Male 1 x RJ-45 Male Connector B: 1 x 9-pin DB-9 Female RS-232 Serial 1 x 9-pin DB-9 Female RS-232 Serial Dimensions: 0.75 x 3.00 x 3.75 (H x W x D) Weight: 0.05 lb. Parts: 1 year limited