Specifications

1. Before turning on the power
3
[Rear panel]
Rear parts
Name Description
Input terminal block
Connect various kinds of inputs.
Power supply terminal block
Connect the power cord. Securely connect the power cord to a
power outlet.
Option space
Install an option to expand the functions of the M252A. Either BCD
input or RS-232C interface can be installed optionally.
Frame ground (F.G.)
Earth terminal.
Be sure to ground to prevent electrostatic interference, etc.
(1) COM
Common terminal of the external input terminal block.
(2) FEED
Feeds when short-circuited with the COM terminal.
(3) PRINT
Prints when short-circuited with the COM terminal.
(4) ST
Prints sub totals when short-circuited with the COM terminal.
(5) GT
Prints grand totals when short-circuited with the COM terminal.
(6) (7) SI/F Ach
Input terminal for the SI/F (Ach).
(8) (9) SI/F Bch
Input terminal for the SI/F (Bch).