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Introduction
Manual Documentation Number: ESP904-0504 Chapter 1 7
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - 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
Install Virtual COM Ports on PC
Step 1: From the Windows Start menu, run the Install Virtual COM Ports
utility included with the VLINX software,
Step 2: Search for all servers on the network
Step 3: Select the first port (4000) and map it to an unused COM port (e.g.
Port 15). Configure it for TCP protocol and the appropriate IP
address (determined in the last section).
Figure 5. Configuring the Virtual COM Port
Check Communications
Step 1: From the Windows Start menu, run HyperTerminal
Step 2: Configure
HyperTerminal to connect using the COM port
configured in the last section (e.g. Port 15).
Step 3: Set
Baud Rate, Data/Parity/Stop, and Flow Control to match the
configuration of the serial device connected to the ESP904 serial
port.
Step 4: Communications with the serial device should now be operational.
Introduction
8 Chapter 1 Manual Documentation Number: ESP904-0504
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - 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
ESP904 Technical Data
Hardware and
Included
Accessories
ESP904 Serial Server module
Power Supply: 12 VDC/1A (tip positive/sleeve negative)
Power Plug: (Area Dependent: North America 120VAC/60Hz,
Europe/United Kingdom 220/240VAC/50Hz)
Manual: Paper copy of this manual, PDF available
CD-ROM disc: VLINX ESP Manager and Virtual COM Driver
software for Windows 98/ME/2000/XP/NT 4.0
Dimensions
ESP904: 4.5 x 7.3 x 1.1 in (11.4 x 18.5 x 2.9 cm)
Power &
Environment
Power
Requirements: 12 VDC @ 500 mA
Operating
Temperature: 0 to 50 °C (32 to 122 °F)
Storage
Temperature: −20 to 60 °C (−4 to 140 °F)
Humidity: 0 – 90% non-condensing
Approvals: CE, FCC
Indicators
Power: Red LED
Link: Yellow or green LED (10BaseT or 100 BaseTX)
Ready: Flashing green LED
Serial Ports (4): Flashing green LED when data present (see Ch. 2)
Connectors
Ethernet: Single RJ-45 female
Serial: Four - 9 pin D-type male (DB-9M) DTE (all ports
are software selectable as RS-232, 422, or 485)
DC Power: Ultra-miniature phone jack (2.5mm), Tip (+),
Sleeve (−)
Serial Interfaces
RS-232(DTE): TXD, RXD, RTS, CTS, DTR, DSR, DCD, GND
RS-422: TXDB(+), TXDA(−), RXDB(+), RXDA(−),
RTS(+), RTS(−), CTS(+), CTS(−) and GND
RS-485: Data B (+), Data A (–) and GND
Baud Rate: 110 bps to 230.4 k bps
Parity: None, even, odd
Data Bits: 7 or 8
Stop Bits: 1 or 2
Optional
Accessories
232NM9 Null Modem Crossover Cable for DTE to DTE connection
DRAD35 DIN Rail mounting clips for 35mm DIN Rail
ERS35 one-meter length of steel 35mm DIN Rail
Memory
Serial Memory: 8K bytes per port