Fiber Optic Modem

LDM85 Series

Fiber Optic Modem

Se Alt Models Below

PLACE ORDER

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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Beskrivelse

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.

Til bestilling(Angiv modelnummer)

Vare nummer/Desc.

Antal

Beskrivelse

LDM85-P

Kontakt salgsafdelingen

Beholdning:

Fiber optic modem with 25 pin male RS-232 connector, SMA (905) fiber optic connector, 5 Vdc power

LDM85-S

Kontakt salgsafdelingen

Beholdning:

Fiber optic modem with 25 pin female RS-232 connector, SMA (905) fiber optic connector, 5 Vdc power

LDM85-PT

Kontakt salgsafdelingen

Beholdning:

Fiber optic modem with 25 pin male RS-232 connector, SMA (905) fiber optic connector, transformer power

LDM85-ST

Kontakt salgsafdelingen

Beholdning:

Fiber optic modem with 25 pin female RS-232 connector, SMA (905) fiber optic connector, transformer power

LDM85-P-025

Kontakt salgsafdelingen

Beholdning:

Fiber optic modem with 25 pin male RS-232 connector, ST fiber optic connector, 5 Vdc power

LDM85-S-025

Kontakt salgsafdelingen

Beholdning:

Fiber optic modem with 25 pin female RS-232 connector, ST fiber optic connector, 5 Vdc power

LDM85-PT-025

Kontakt salgsafdelingen

Beholdning:

Fiber optic modem with 25 pin male RS-232 connector, ST fiber optic connector, transformer power

LDM85-ST-025

Kontakt salgsafdelingen

Beholdning:

Fiber optic modem with 25 pin female RS-232 connector, ST fiber optic connector, transformer power

† All amounts shown in EUR
Noter: Includes operator’s manual. Transformer powered units also include 120 Vac wall mount transformer.