Model 458-CC-16/458-CM (16-Slot Chassis & Control Module) Rev I
Page 2
Control Module
The image above shows the connectors on the back of the 458-CM, labeled
RS232, IEEE-488 and Ethernet.
The 458-CM is used to configure a Line Module to a particular length via a pushbutton keypad on the
front of the unit. The user may also use the IEEE-488, RS-232 or Ethernet port for remote control.
When configured for IEEE-488, the 458-CM can be operated from an IEEE Controller such as a PC
equipped with an IEEE interface board. In RS-232 mode, the unit can be connected to any RS-232
device (e.g., a terminal or PC) that has a terminal emulation program such as Hyper Terminal
installed. In Ethernet mode, RS-232 commands are sent over an Ethernet connection. This allows a
remote PC connected to a LAN to communicate with the 458-CM.
In order to send RS-232 commands over an Ethernet connection, this feature must be
enabled. Refer to section
Enabling Ethernet Connectivity
for detailed instructions.
