IBM 3278 - Terminal ID Register (2 D6)

Terminal ID Register (2D6)
This 8-bit register is internal to the emulation adapter and is set
and reset
by the IBM Personal Computer. It requires one
address.
This register
must be set by the IBM Personal Computer before
enabling the coaxiallin1c
Note: The Terminal ID placed in this register must be the
ones-complement
of the data to be sent to the control unit.
1-10