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Making the Hardware Connections
12 Chapter 2 Manual Documentation Number: ESR90x-0508m
B&B Electronics Mfg Co Inc – 707 Dayton Rd - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com
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Default Mode
When Default Mode is selected and the server properties are Updated
(
Saved) all the configuration settings return to their default values.
N
N
o
o
t
t
e
e
:
:
Refer to Chapter 5 for details on Serial Server Configuration settings. See
Chapter 12 for Serial Server default parameters.
Console Mode
In Console Mode the Configuration Menu can be accessed from a PC by
connecting its RS-232 serial port to the ESR901 serial port or ESR902/904
Serial Port 1. Since the computer is a DTE device, and the serial ports are
configured as DTEs (with DB-9M connectors), a null modem crossover cable
must be used.
In
Console Mode the default serial port settings are: 9600 baud, 8 data bits,
No parity, and 1 stop bit. From Windows, HyperTerminal with VT100
terminal emulation can be used for
Console Mode configuration.
N
N
o
o
t
t
e
e
:
:
Refer to Chapter 9 for details on Console Mode
Upgrade Mode
In Upgrade Mode firmware can be uploaded from a PC via its serial port to
the ESR901 serial port or ESR902/904 Serial Port 1. Upgrading also can be
accomplished via the network connection, using the ESP Manager software
and a virtual COM port.
N
N
o
o
t
t
e
e
:
:
Refer to Chapter 8 for details on Upgrade Mode
RS-232 Mode
In RS-232 Mode the currently selected serial port is configured as an RS-232
interface supporting eight RS-232 signal lines plus Signal Ground and is
configured as a DTE, like a computer. Signals are single ended and
referenced to Ground. To use handshaking, Flow Control must be set to
RTS/CTS during configuration.