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ESP901 and ESP902 Technical Data
Manual Documentation Number: ESP901-902_4105m Chapter 12 67
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 Pk – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com
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Hardware and
Included
Accessories
ESP901 and ESP902 Serial Server modules
Power Supply: 12 VDC/500mA (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
ESP901/ESP902: 3.35 x 4.5 x 0.90 in (8.5 x 11.5 x 2.3 cm)
Power &
Environment
Power
Requirements: 12 VDC @ 200 mA (ESP901), 300mA
(ESP902)
Operating
Temperature: -10 to +80 °C
Storage
Temperature: −20 to 85 °C
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
Connectors
Ethernet: Single RJ-45 female
Serial: ESP901: one 9 pin D-type male (DB-9M)
DTE (software selectable as RS-232, 422, or
485)
ESP902: Two 9 pin D-type male (DB-9M)
DTE, Port 1 - software selectable as RS-232,
422 or 485, Port 2 – RS232 only
DC Power: Ultra-miniature phone jack (2.5mm), Tip (+),
Sleeve (−)
ESP901 and ESP902 Technical Data
68 Chapter 12 Manual Documentation Number: ESP901-902_4105m
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 Pk – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com
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, Mark, Space
Data Bits: 5, 6, 7 or 8
Stop Bits: 1, 1.5 or 2
Memory
Serial Memory: 8K bytes per port
Network
Communications
LAN: 10/100 Mbps Auto-detecting 10 BaseT or
100 BaseTX
Protocols
TCP, IP, ARP, DHCP, Telnet, HTTP, UDP,
ICMP
Configuration
Options
Console Mode: Using RS-232 with VT100 emulation (All
DIP Switches ON
Telnet Mode: Using HyperTerminal with VT100 emulation
ESP Manager: Using Windows 98/ME/2000/XP or NT
software
Web Server: Using a standard web browser such as
Internet Explorer
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