LDM85, Fiber Optic Modem
The LDM85 is a small, inexpensive fiber optic transmitter/receiver. It features a complete RS-232/422/423 port as well as high speed TTL data transmit and receive. It is capable of data rates from DC to 5Mbps.
Features:
- Data Rates to 5Mbps
- RS-232, RS-422, TTL System Interfaces
- Multipoint Capability
- LED Indicators
- DCE/DTE Switch
- Small Size
- Low Cost
- SMA- or ST-Compatible Optic Connectors
- 120/220VAC, +5VDC or 8 to 20VAC/DC Power
- CE Compliant
Manufacturer: Dataforth
Quote
Datasheet
Description
Specifications
Models & Accessories
Downloads
Similar Products
LDM85 - Description
The LDM85 is a small, inexpensive fiber optic transmitter/receiver. It
features a complete RS-232/422/423 port as well as high speed TTL data
transmit and receive. It is capable of data rates from DC to 5Mbps.
LDM85 - Specifications
| Input Type | RS-232 |
| RS-422 | |
| # of Inputs | 1 |
| Output Type | Fiberoptic |
| Isolation | Yes |
| Supply Power | 5 V DC |
| 8 - 24 V DC | |
| 10 - 20 V AC |
LDM85 - Models & Accessories
Models
| LDM85-P | |
| LDM85-S | |
| LDM85-PT | |
| LDM85-ST | |
| LDM85-PE | |
| LDM85-SE |
LDM85 - Downloads
LDM85 Fiber Optic Modem V2 Datasheet |
LDM85 Fiber Optic Modem Datasheet Datasheet |
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AN121 RiseTime vs BW App Note |
AN126 Tuning_Surge_Tank_Level_Control_Loops App Note |
AN128 RMS Revisited App Note |
AN129 Harmonics and utility costs App Note |
Hysteresis Specifications Tech Note |
Faraday's Law of Induction Tech Note |
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Signal-to-Noise Ratio, SNR Tech Note |
Signal Conditioning Measured vs Combinational Error Tech Note |
When Good Grounds Go Bad Tech Note |
Why Should Sensors Be Isolated Tech Note |
LDM85 - Similar Products
- DC to 57,600bps
- Optical Isolation
- Surge Protectors
- LED Diagnostic Indicators
- Operation to 3 Miles (5km) at 9600bps, 1 Mile (1.7km) at 19,200bps, 0.5 Miles (0.8km)at 57,600bps
- Four-Wire Full Duplex, Two-Wire Simplex
- Self-Powered or Host-Powered
- Selection of Connectors
| Input Type | RS-232 |
| # of Inputs | 1 |
| Output Type | RS-232 |
| Isolation | Yes |
| Supply Power | 9 - 15 V DC, 12 V AC |
- Signal-powered: No Power Source Required
- Optical Isolation: Breaks Ground Loops
- Heavy Duty Surge Protectors: Prevents Lightning Damage
- LED Diagnostic Indicators: Simplifies Installation and System Troubleshooting
- Operation to Two Miles (3.3km) at 9600bps, One-Half Mile (0.8km) at 19,200bps, Seven Miles (11.7km) at 1200bps
- Four-Wire Full Duplex, Two-Wire Simplex
- Selection of Connectors
- Wide Operating Temperature Range, 0°C to +70°C
| Input Type | RS-232 |
| # of Inputs | 1 |
| Output Type | RS-232 |
| Isolation | Yes |
| Supply Power | 5 - 15 V DC |
- DC to 57,600bps
- Complete Isolation with Optical Couplers and Power DC-to-DC Converter
- Data Terminal Ready, Carrier Detect Handshake without Extra Wires
- Surge Protectors
- Four LED Diagnostic Indicators
- Operation to 3 Miles (5km) at 9600bps, 1 Mile (1.7km) at 19,200bps, 0.5 Miles (0.8km) at 57,600bps
- Four-Wire Full Duplex, Two-Wire Simplex
- Self-Powered or Host-Powered
| Input Type | RS-232 |
| # of Inputs | 1 |
| Output Type | RS-232 |
| Isolation | Yes |
| Supply Power | 9 - 15 V DC, 12 V AC |