Filter
Top Products
Chapter 2. Installation
2-8
ESU 120e User Manual 61200420L1-1
Set Control Port
The ESU 120e can be configured from the control port when T-
Watch PRO, SNMP, or the terminal interface are being used.
If the control port is to be used, the control port baud rate must also
be selected.
Chain In (PC)
The unit can be controlled from an external PC connected directly
or via modem to the chain-in port. when using chain-in, the selec-
tion of the control port baud rate from 9600 (factory default), 1200,
2400, or 4800, or 38400 must be made using the Unit Configuration
menu. See Unit Menu on page 5-11 for details.
Unless locked out externally, the front panel can also control the
unit.
Chain In/ Chain Out
ESU 120e units and other ESUs can be linked together to form a
chain. Figure 2-4 shows an example of a chain-in arrangement with
a PC or a modem. The first ESU 120e in the chain receives control-
ling input from the PC or modem.
Figure 2-3. Example of Chain In
ESU 120e
PC or Modem
Control
Input
Chain
Out
ESU 120e
Chain
In
Chain
Out
ESU 120e
Chain
In
Chain
Out