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Fiber Optic Modem

LDM85 Series

Fiber Optic Modem | LDM85 Series

Fiber Optic Modem

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1年保修 CE
  • Data Rates to 5M Baud
  • RS-232, RS-422, TTL System Interfaces
  • Multipoint Capability
  • LED Indicators
  • DCE/DTE Switch
  • Small Size
  • Low Cost
  • SMA- or ST-Compatible Optic Connectors
  • 120/220 Vac, +5Vdc or 8 to 20 Vac/dc Power
  • Connector Cables Available
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产品描述

The LDM85 is a small, inexpensive fiber optic transmitter/receiver. It features a complete RS-232 port as well as high speed TTL/RS-422/ RS-423 data transmit and receive. It is capable of data rates from DC to 5M baud. A pair of these units allows most RS-232C cable links to be replaced and extended with a duplex fiber optic cable. The normal 50-foot RS-232 limit may be extended to 1.2 miles (2 km). Fiber optic data communications provide complete EMI/RFI rejection, isolation, elimination of ground loops, and reduced error rates. Data security is enhanced by almost nonexistent electromagnetic emissions. A unique multipoint capability allows local area networks to be formed with the isolation and data security of a fiber optic data highway. The LDM85 is packaged in a rugged aluminum enclosure small enough to mount on the back panel of typical computer equipment, saving valuable desk and floor space. The RS-232 connection is through male or female EIA 25-pin connectors. The fiber optic connection is either through SMA (905) or ST connectors. Additional features include a TD/RD reversing switch for connection to DTE (Data Terminal Equipment) or DCE (Data Communication Equipment) ports, three diagnostic LED indicators, and locally connected handshake lines. The TTL port combined with the RS-232 port may be interfaced to RS-422/423 ports. The LDM85 optical transmitter is optimized for launching power into fiber sizes 85/125, 100/140, and 200µm plastic coated silica (PCS). Due to a lensed optical system, receiver response does not vary with fiber size.
订购 所有价格均为人民币税前价格,不包括13%增值税和运费!(指定型号)
网上下单立享5%折扣!
产品编号产品描述
数量
产品描述
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LDM85-P
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货期: 
 
 
Fiber optic modem with 25 pin male RS-232 connector, SMA (905) fiber optic connector, 5 Vdc power
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LDM85-S
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货期: 
 
 
Fiber optic modem with 25 pin female RS-232 connector, SMA (905) fiber optic connector, 5 Vdc power
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LDM85-PT
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货期: 
 
 
Fiber optic modem with 25 pin male RS-232 connector, SMA (905) fiber optic connector, transformer power
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LDM85-ST
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货期: 
 
 
Fiber optic modem with 25 pin female RS-232 connector, SMA (905) fiber optic connector, transformer power
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LDM85-P-025
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货期: 
 
 
Fiber optic modem with 25 pin male RS-232 connector, ST fiber optic connector, 5 Vdc power
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LDM85-S-025
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货期: 
 
 
Fiber optic modem with 25 pin female RS-232 connector, ST fiber optic connector, 5 Vdc power
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LDM85-PT-025
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货期: 
 
 
Fiber optic modem with 25 pin male RS-232 connector, ST fiber optic connector, transformer power
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LDM85-ST-025
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货期: 
 
 
Fiber optic modem with 25 pin female RS-232 connector, ST fiber optic connector, transformer power
所有金额以RMB显示
注: Includes operator’s manual. Transformer powered units also include 120 Vac wall mount transformer.