Clear-Com FreeSpeak - Manual (Page 18)

CellCom/FreeSpeak Firmware Update Procedures
Rev: 6.05 VGC Part No.- 810372Z-MAN-6 Page 18 of 49
7) After the DECT is upgraded. Turn off the Antenna, disconnect the power and
remove the jumpers from the LK2 and LK4.
8) Check that Jumper LK1 is shorted as this activates the watchdog.
9) Connect a terminal emulator (i.e. HyperTerminal) set at 19200,8,N,1.
10) Power up check that the SW versions are correct.