LDM2485 RS-232/485 Converter

 

LDM2485A/2485B Signal Powered
거리확장 및 High-Speed
RS-232/485 Converter

  square02_darkbluegreen.gif DB-25(RS-232) or DB-9(EIA-574)
     인터페이스

  square02_darkbluegreen.gif Confirms to the EIA RS-485 표준

  square02_darkbluegreen.gif Asynchronously, point-to-point or      multidrop, 2- or 4-wire

  square02_darkbluegreen.gif 50 Terminal Drops in a Multipoint polling      environment

  square02_darkbluegreen.gif 115,200 bps 지원

  square02_darkbluegreen.gif RTS-CTS Delay 선택 가능

  square02_darkbluegreen.gif "Echo" or "No Echo" 사용 가능

LDM2485 사양 및 Data Sheet Download(PDF Format)

 

모델 선택 가이드

모   델   번   호

콘   넥   터

연   결   방   법

LDM2485A-P

Male DB-25

Screw Terminals

LDM2485A-S

Female DB-25

Screw Terminals

LDM2485A-PJ1

Male DB-25

RJ-11 jack

LDM2485A-SJ1

Female DB-25

RJ-11 jack

LDM2485A-PJ4

Male DB-25

RJ-45 jack

LDM2485A-SJ4

Female DB-25

RJ-45 jack

LDM2485A-P25S

Male DB-25

Female DB-25

LDM2485A-S25S

Female DB-25

Female DB-25

LDM2485B-P

Male DB-9

Screw Terminals

LDM2485B-S

Female DB-9

Screw Terminals

LDM2485B-PJ1

Male DB-9

RJ-11 jack

LDM2485B-SJ1

Female DB-9

RJ-11 jack

LDM2485B-PJ4

Male DB-9

RJ-45 jack

LDM2485B-SJ4

Female DB-9

RJ-45 jack

 

LDM2485A/2485B 사양

Transmission Format

Asynchronous

Baud Rate

0-115.2Kbps(Baud)

Baud Rate

   Distance(km)

  115.2K   38.4K   9.6K    1.2K

      4.2      4.7     7.4     14.5

RS-232/EIA-574 Interface

DB-25/DB-9

RS-485 Interface Options

RJ-11 or RJ-45 Jack or terminal block with strain relief

Transmit Line

2, 4-wire unconditioned twisted pair

Transmit Mode

4-wire, full or half duplex; 2-wire half duplex

Channel Signals

 

DSR turns "ON" immediately after ther terminal raises DTR; DCD turns "ON" after recognizing the receive signal from the line; CTS turns "ON" after the terminal raises RTS

RTS/CTS delay

0 or 8 msec

Carrier

The carrier is switch selected either continuous operation or controlled by RTS

Surge Protection

600W power dissipation at 1 ms

Power
 

Draws operating power from the RS-232 or EIA-574 data and control signals; no AC power or batteries required

Temperature

0℃ to 50℃

Size

2485A : 68 x 53 x 19mm,   2485B : 64 x 31 x 19mm

Weight

2.0 oz (57g)/ 1.4 oz (40g)

 

한국인텔리젼트시스템(Korea Intelligent System)  전화 : 02-3272-9301   Email : sales@intelligent.co.kr