CBM America CBM-720 User Manual
Page 37
CBM-710/720/730/750 User’s Manual
31
CITIZEN
b) Current Loop Circuit
Input (RD)
Mark
= Current ON
Space
= Current OFF
Output (DTR, TD)
*DTR
Current ON :
READY
Current OFF :
BUSY
*TD
Mark = Current ON
Space = Current OFF
c) TTL Circuit
Output (PE)
7406 or equivalent
*PE
H :
Paper empty
L :
Paper reaming
RESET
7406 or equivalent
LOW for RESET