378 HEIDENHAIN Technical Manual iTNC 530 HSCI
X2: HDL connection Port for the HEIDENHAIN display link (HDL) connection for the MC 6xxx
connector X249, see page 329.
X3: Connection of
screen soft keys
Connection of the screen soft keys to the TE 6xx keyboard unit connector X1
via ribbon cable.
X140: USB input Connection for the integrated USB hub to the MC 6xxx connector X141 or
X142. The USB hub of the BF 2xx supports USB 2.0.
X141 to X146:
USB output
BF 250: Five freely available connections for additional USB devices. One of
them on the front of the BF 250.
Maximum load of the five USB outputs of the BF 250:
4 x 500 mA, 1 x 100 mA, distributed as desired