Network Terminal Installation, Operation, and Maintenance Instructions
P/N 8040375G001
1-7
C
HELIX TECHNOLOGY CORPORATION
-
TI
CRYOGENICS
Clear Display Key
The Clear key is used to remove user entered information during program-
ming or device selection.
NOTE: The Clear key must be pressed before the Enter key is pressed to
remove the desired information.
Numeric Keypad
The numeric keypad is used to enter numeric values for programming and
operation.
Enter Command Key
The Enter key is used to accept numeric information which the user has
entered via the numeric keypad.
Function Keys
The function keys allow the user to select the software function in which
programming or operation is desired.
Service RS-232 Port
The Service RS-232 port allows you, or a CTI-CRYOGENICS Field
Service Representative, to connect the RS-232 port of a portable computer
to the Network Terminal for communication purposes. The port is
mounted on the front panel for easy access and supports baud rates of 2400,
9600, and 19200.
Rear Panel Component Description
ON/OFF Switch - Input Power Connector
The ON/OFF switch and Input Power connector, as shown in Figure 1-1,
allows you to turn power ON or OFF and to connect 120/240 VAC to the
Network Terminal. The input power connector can be configured to
deliver 120 or 240 VAC power to the Network Terminal. Refer to Section
2 - Installation for more information.
Bonding Stud
The Bonding Stud labeled GND, is intended for applications where
Electromagnetic Interference (EMI) may be a problem. It is not to be used
as a protective ground. Connect a ground to the Bonding Stud using
accepted EMI grounding practices.
