User Manual
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Selected channel indicators 
1.7  Installing Optional Interface Cards 
Five optional interface cards are available and can be installed in 
either the S1 or S2 slots. They are: 
Option 1: GPIB/LAN Card 
  Adds GPIB and LAN interface 
Option2: DIO/Analog Card (Single channel) 
  Adds digital I/O and External Analog Control 
Option 3: DIO/Analog Card (Dual channel) 
  Adds dual channel digital I/O and External Analog Control 
Option 4: RS485 Card 
  Adds RS-485 interface for multi power supply control 
Option 5: RS232 Card 
  Adds RS-232 interface 
How to Install Interface Cards 
1.  Power off the instrument and disconnect the AC power cord 
in the rear panel. Remove the back faceplate covering the 
S1 or S2 slot in the rear panel by removing the two screws 
on each side. 
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