Doorbird D2101KH, IP VIDEO DOOR STATION, Real burnished brass, Part# 423883833 manhattan 152662 Add four rs232 serial ports

Add four rs232 serial ports to any notebook or desktop computer using a single usb port - usb to serial - usb to rs232 - usb to db9 - usb to serial adapter - usb to serial port

The quality Greenlee E-4 STRIPPING BUSHING (E-4)

auto-uplink (auto MDI/MDI-X)

Kit includes leather strap with pad and snap hooks

) in color Black

Doorbird D2101KH, IP VIDEO DOOR STATION, Real burnished brass, Part# 423883833 manhattan 152662 Add four rs232 serial portsThe durable Doorbird D2101KH 423883833, IP VIDEO DOOR STATION, Real burnished brass is for single family homes and businesses with 1 unit, and 1 call button. Features: Surface and flush mount possible, housings sold separately LAN connection (PoE capable) 2 way audio Ultra wide angle lens, 720p, night vision, 12 IR LEDs 4D motion sensor, RFID reader Keypad 2 freely configurable bistable switching relays Dimensions: 10,08 x 10,13 x 1,92 inches (H x W x