LDM30, General Purpose Limited Distance Modem


- 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
- Wide Operating Temperature Range, 0 to +70°C
- CE Compliant
Input Type | RS-232 |
# of Inputs | 1 |
Output Type | RS-232 |
Isolation | Yes |
Supply Power | 9 - 15 V DC |
12 V AC |
LDM30-P | |
LDM30-S | |
LDM30-PT | |
LDM30-ST | |
LDM30-PE | |
LDM30-SE |
LDM30 General Purpose, Limited Distance Modem V2 Datasheet |
LDM30 General Purpose Limited Distance Modem Datasheet |
AN101 RMS_Voltage_Current App Note |
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 |
Data Acquisition Systems Accessories Tech Note |
Signal Conditioner Surge Withstand Capability Tech Note |
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 |
- 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 |
- 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 |
- 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
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 |