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Page 7
Chapter 1: Specifications
1. Specifications
1.1 General
General Specifications
Certifications FCC Part 15, Class A, CE, NEMA TS2, UL
®
Class 1, Division 2, Groups A, B, C, and D
Compatible Operating
Systems
Windows
®
XP (32/64 bit), 2003 Server (32/64 bit), Windows Vista
®
(32/64 bit), 2008 Server (32/64 bit), Windows 7 (32/64 bit)
Configuration Options Via serial port using Hardened Serial Server Software, via network using Hardened Serial Server Software with an Ethernet connection or a
standard Web browser such as Internet Explorer
®
7, 8, or 9, or Firefox
®
3 or 4
Enclosure Rating: IP30;
Mounting: DIN rail mount (35 mm)
User Controls (1) Reset button
Connectors LES421A: (1) DB9 M, (1) 5-pin terminal block, (1) RJ-45, (1) 2-position pluggable terminal block for power;
LES422A: (2) DB9 M, (1) RJ-45, (1) 2-position pluggable terminal block for power;
LES424A: (4) DB9 M, (1) RJ-45, (1) 3-position pluggable terminal block and (1) locking barrel connector for power
Indicators LES421A: (4) LEDs: (1) Ready, (1) Serial, (1) Ethernet Link, (1) Ethernet Speed;
LES422A: (7) LEDs: (1) Ready, (2) Serial, (2) Ethernet Link, (2) Ethernet Speed;
LES424A: (9) LEDs: (1) Ready, (4) Serial, (2) Ethernet Link, (2) Ethernet Speed
Temperature Tolerance Operating: -40 to +176° F (-40 to +80° C);
Storage: -40 to +185° F (-40 to +85° C);
Maximum Ambient Surrounding Air Temperature: 176° F (80° C)
Operating Humidity 10 to 95%, noncondensing
Power LES421A, LES422A: 10 to 48 VDC (58 VDC max.), 4.0 watts max.;
LES424A: Locking barrel connector input: Voltage requirements: 10 to 30 VDC maximum, Class 2 grounded type supply only
NOTE: Coaxial power cable must be in accordance with Class 2 requirements in Article 725 of the NEC. The locking barrel connector must not
be used in a hazardous environment.
LES424A (continued): Consumption: 6.0 watts maximum;
Terminal blocks: Wire size: 28 to 16 AWG,
Wire Type: Copper wire only,
Tightening Torque: 5 kg-cm,
Wire Temperature Rating: 105° C minimum, sized for 60° C ampacity
NOTE: One conductor per terminal.
Size LES421A, LES422A: 1.2"H x 3.2"W x 4.7"D (3 x 8.1 x 11.9 cm);
LES424A: 1.8"H x 4.4"W x 6.8"D (4.6 x 12.2 x 17.1 cm)
1.2 Serial Interface
Serial Interface Specifications
Baud Rates 75, 150, 300, 600, 1200, 2400, 4800, 7200, 9600, 14400, 19200, 28800, 38400, 57600, 115200, 230400
Data Bits 5, 6, 7, 8
Flow Control None, RTS/CTS, X-ON, X-OFF
Mode Selection RS-232/422/485 software-selectable
Parity None, even, odd, mark, space
RS-232 Lines TXD, RXD, RTS, CTS, DTR, DSR, DCD, GND
RS-422 Lines TXDA(-), TXDB(+), RXDA(-), RXDB (+), GND
RS-485 (2-Wire) Data(-), Data(+), GND
RS-485 (4-Wire) TXDA(-), TXDB(+), RXDA(-), RXDB (+), GND
RS-422/485 Biasing Auto 1 K-ohm pullups and pulldowns
RS-422/485 Termination Termination with through hole (user supplied)
RS-485 Data Control Auto control via Data Multipoint Control Unit (MCU)
Stop Bits 1, 1.5, 2
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