Power inlet
Power connection → section 2.3
GP-IB or RS-232 connector
Used to communicate with the WT310/WT310HC/WT330
through the GP-IB or RS-232 interface
→ Communication Interface User’s Manual
External I/O connector
For connecting D/A output and remote control cables
→ chapter 5
For connecting voltage measurement cables
→ sections 2.8 to 2.11
Voltage input terminals
Current input terminal
For connecting current measurement
cables → sections 2.8, 2.9, and 2.11
External current sensor input connector
For connecting cables from an external current sensor
→ section 2.10
Ethernet port
Used to connect the WT310/WT310HC/WT330 to a network
→ Communication Interface User’s Manual
USB port for PCs
Used to connect the WT310/WT310HC/WT330 to
a PC that has a USB port
→ Communication Interface User’s Manual