Introduction
Copyright © Itech Electronics Co., Ltd.
6
Status Bar icon
Status description
Key Lock: this icon appears when the keyboard
is locked.
Remote Lock: this icon appears in remote
operation and then local keys fail.
This icon appears in remote network
connection.
1.7 Introduction of rear panels
Schematic Diagram of Rear Panel of IT9121 Power Meter.
1. GPIB interface
2 Ethernet interface
3 USB Interface
4. RS232 interface
5. External synchronization signal interface
6 Power interface
7. External sensor interface
8. Voltage input terminal
9. Current input terminal
Warning:
The external sensor
interface
(as shown in Fig. 7 above) of IT
9121 power meter is installed with a protective jacket at ex-factory, which
should be correctly installed at all circumstances unless an external sensor
permitted by ITECH is used.
