USB FTDI FT232R chip + RS232 Level Shifter.
Support Android, Win 7, Win 8, XP, 2000, Linux, Mac OS used for CISCO Huawei Router Switches / Microsoft (HCL) certified to be compatible with Windows, no CD needed because the drivers are part of the OS distribution. Windows 10 will install it automatically. Windows 7 you will need to download and install a driver on line.
Supports hardware flow control used to implement the CISCO break sequence.
RJ-45 DTE Pinouts RTS (1), DTR (2), TXD (3), GND (4), GND (5), RXD (6), DSR (7), CTS (8)
Cable length is 1.80 m (6 feet) USB 2.0 Full Speed compatible sold specifically for use with Cisco routers or switches. The pin-out may not match other devices as there is no standard for pin connections or levels for RS-232 on RJ45 8 pin modular connectors.