Interface (Optional) - ITech IT7900P Series User Manual

2. Insert the separately purchased GPIB interface card into the card slot on the
3. Connect the instrument with the computer via the GPIB cable. After the con-
4. Press the composite keys [Shift]+
5. Select Communication and press [Enter].
6. Select GPIB and press [Enter].
7. Press the numeric keys to set the GPIB address and press [Enter].
10.5 RS–232 Interface (Optional)
The RS-232 interface shares the same communication card (IT-E177) with the analog
function.
Definition of RS-232 Pins
The definition of RS-232 pins are as follows.
When using the RS-232 interface for communication, connect the pin 1, pin 2, and
pin 3 of the IT-E177 to the PC. The pin description is as follows:
Pins
1
2
3
RS-232 Configuration
When you purchase the interface accessory and successfully insert it into the
corresponding position on the rear panel of the instrument, the RS–232 menu
item will appear in the System menu. The specific steps are as follows:
in Power Off state.
rear panel of the instrument.
nection is successful, turn on the power switch of the instrument.
en- ter the system menu.
Copyright ©ITECH Electronic Co., Ltd.
Inspection and Installation
(System) on the front panel to
Description
TXD, transmit data
RXD, receive data
DGND, ground
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