Female Interface Connector:
  25-pin D-Submini (DB25S) with screw lock hardware
  Required Male Connector (Recommended):  
25-pin D-Submini, DB25S, with integrated shielded cable clamp and shield plate assembly  
(Amp type 826 985-1C) and fastening screws (Amp type 164 868-1)
! Warning When Using Pre-wired RS-232 Connecting Cables:
  The pin assignments in RS-232 cables purchased from other manufacturers may be incompatible with Sartorius weighing instruments.  
Be sure to check the pin assignments against the chart below before connecting the cable, and disconnect any lines identified differently 
from those specified by Sartorius (e.g., pin 6).  
Failure to do so may cause malfunction, damage or even completely ruin your balance/scale and/or peripheral device(s).
Pin Assignments:
Pin  1:  Signal Ground 
Pin  2:  Data Output (TxD) 
Pin  3:  Data Input (RxD) 
Pin  4:  Internal Ground (GND) 
Pin  5:  Clear to Send (CTS) 
Pin  6:  Not used 
Pin  7:  Internal Ground (GND) 
Pin  8:  Internal Ground (GND) 
Pin  9:  Not used 
Pin 10:  Not used 
Pin 11:  +12 V (operating voltage  
  for Sartorius printer) 
Pin 12:  Reset _ Out 
1
)  For remote switch 
2
) 
Pin 13:  +5 V 
Pin 14:  Internal Ground (GND) 
Pin 15:  Universal remote switch 
Pin 16:  Not used 
Pin 17:  Not used 
Pin 18:  Not used 
Pin 19:  Not used 
Pin 20:  Data Terminal Ready (DTR) 
Pin 21:  Not used 
Pin 22:  Not used 
Pin 23:  Not used 
Pin 24:  Not used 
Pin 25:  +5 V
1
)  = Hardware restart
2
)  = External switch function can be programmed in the Setup: EXTRAS : EXT.key (1.8.4.x)
  Pin Assignment Chart
26