AAOTOKK DB9 Screw Terminal Block Adapter DSUB 9pin RS232 Male to 91 PinWay Female Serial Terminal Breakout Board Connector Signal Module with case 2PcakMale

Quantity:(2-Pack), Size:Length, width, height(5.5*3.3*2.0cm) Material: plastic. Color:(Black) Connectors 1 : DB9 RS232 (9 pin) male jack . Connectors 2 : 9+1 Pin female screw terminal block jack.?Contains ground wire? Wire range: AWG20?26, Pin: 9+1way/pin?Contains ground wire?,Package including: 2 x DB9 male adapter with case 2x cable pressing plate 4x Screws 4x Long bolts. Product Applicable Equipment: Use for computer, tax control machine,digital camera, set-top box, barcode machine, industrial instrumentation and other equipment for communication. Can extend the length of the DB9 RS232 cable, Connecting single wires with open cable heads to your DB9 RS232 jack. All nine lines cited, the board is clearly marked, the wiring is more convenient.