
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 | 
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| Compatible Operating | 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) | 
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| Configuration Options | Via serial port using Hardened Serial Server Software, via network using Hardened Serial Server Software with an Ethernet connection | 
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 | or a standard Web browser such as Internet Explorer® 7, 8, or 9, or Firefox® 3 or 4 | 
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| Enclosure | Rating: IP30; | 
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 | Mounting: DIN rail mount (35 mm) | 
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| User Controls | (1) Reset button | 
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| Connectors | LES421A: (1) DB9 M, (1)  | 
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 | LES422A: (2) DB9 M, (1)  | 
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 | LES424A: (4) DB9 M, (1)  | 
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| Indicators | LES421A: (4) LEDs: (1) Ready, (1) Serial, (1) Ethernet Link, (1) Ethernet Speed; | 
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 | LES422A: (7) LEDs: (1) Ready, (2) Serial, (2) Ethernet Link, (2) Ethernet Speed; | 
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 | LES424A: (9) LEDs: (1) Ready, (4) Serial, (2) Ethernet Link, (2) Ethernet Speed | 
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| Temperature Tolerance | Operating:  | 
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 | Storage:  | 
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 | Maximum Ambient Surrounding Air Temperature: 176° F (80° C) | 
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| Operating Humidity | 10 to 95%, noncondensing | 
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| Power | LES421A, LES422A: 10 to 48 VDC (58 VDC max.), 4.0 watts max.; | 
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 | LES424A: Locking barrel connector input: Voltage requirements: 10 to 30 VDC maximum, Class 2 grounded type supply only | 
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 | NOTE: Coaxial power cable must be in accordance with Class 2 requirements in Article 725 of the NEC. The locking barrel connector | 
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 | must not be used in a hazardous environment. | 
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 | LES424A (continued): Consumption: 6.0 watts maximum; | 
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 | Terminal blocks: Wire size: 28 to 16 AWG, | 
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 | Wire Type: Copper wire only, | 
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 | Tightening Torque: 5  | 
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 | Wire Temperature Rating: 105° C minimum, sized for 60° C ampacity | 
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 | NOTE: One conductor per terminal. | 
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| Size | LES421A, LES422A: 1.2"H x 3.2"W x 4.7"D (3 x 8.1 x 11.9 cm); | 
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 | LES424A: 1.8"H x 4.4"W x 6.8"D (4.6 x 12.2 x 17.1 cm) | 
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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 | |
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| Data Bits | 5, 6, 7, 8 | |
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| Flow Control | None, RTS/CTS,  | |
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| Mode Selection | ||
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| Parity | 
 | None, even, odd, mark, space | 
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| TXD, RXD, RTS, CTS, DTR, DSR, DCD, GND | ||
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| Auto 1  | ||
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| Termination with through hole (user supplied) | ||
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| Data Control | Auto control via Data Multipoint Control Unit (MCU) | |
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| Stop Bits | 1, 1.5, 2 | |
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| Page 7 |