B&B Electronics RS-232, RS-485, RS-422 manual ESP901 and ESP902, Technical Data

Hardware and

ESP901 and ESP902 Serial Server modules

Included

Power Supply:

12 VDC/500mA (tip positive/sleeve

Accessories

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 &

Power

Environment

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 (−)

Manual Documentation Number: ESP901-902_4105m

Chapter 12

67

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

LAN:

10/100 Mbps Auto-detecting 10 BaseT or

Communications

100 BaseTX

Protocols

TCP, IP, ARP, DHCP, Telnet, HTTP, UDP,

ICMP

Configuration

Console Mode:

Using RS-232 with VT100 emulation (All

Options

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

232NM9 Null Modem Crossover Cable for DTE to DTE

Accessories

connection

DRAD35 DIN Rail mounting clips for 35mm DIN Rail

ERS35 one-meter length of steel 35mm DIN Rail

68

Chapter 12

Manual Documentation Number: ESP901-902_4105m