B&B Electronics ESR902 Manual De Usuario
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
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com
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.
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.
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.
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.
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.