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5.2  Attaching and Detaching Serial I/O Signal Cables 
  Before attaching or detaching the serial I/O cables to or from the 
TSL3000E/TSL3100E robot controller, be sure to turn off the main power in the 
user's control panel. 
  The procedures for attaching and detaching serial I/O signal cables HOST/TCPRG 
and COM1 are the same as in Para. 4.11.    For details, see Para. 4.11. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Be sure to turn off the main power before attaching or detaching the 
cables. 
Attaching or detaching the cables with the main power turned on 
may cause damage on the substrate ICs. 
 
The connectors below in the TSL3000E/TSL3100E robot controller 
have connector caps. 
HOST/TCPRG, COM1, MEM, OUTPUT 
When these connectors are not used, be sure to always attach the 
connector caps for protecting from electrostatic discharge and 
damage.