Description
Black Box LD485S-MP RS-232 to RS-485 Standalone Multipoint Line Driver ME742A
Standalone multipoint line driver that converts RS-232 signals to RS-485 for extended distance serial communications. Supports up to 64 device drops on a single RS-485 line.
Specifications & What's Included
- Model: LD485S-MP (MPN: ME742A)
- Interface: RS-232 input, RS-485 output
- Data rate: Up to 128 kbps
- Connector: DB25 female
- Supported drops: Up to 64 devices
- Power: 120V AC 60Hz input; 17V AC 0.7A output
- Indicators: RTS, CD, TD, RD, PWR LEDs
- Includes: Condor WP4B1217CG AC power supply adapter
Applications
Used in industrial control systems, telecommunications infrastructure, and multi-device serial networks requiring RS-485 communication over longer distances. Commonly deployed in building automation, HVAC systems, security networks, and legacy industrial equipment that mixed RS-232 and RS-485 protocols. The multipoint capability allows integration of numerous peripheral devices on a single line.
Condition: Used
This Black Box LD485S-MP RS-232 to RS-485 Standalone Multipoint Line Driver has been inspected and appears to be in good used condition. It was pulled from a working environment where it was previously in service. The unit shows normal light wear consistent with prior use; the housing is intact with no cracks or significant damage visible. The DB25 connector and front-panel LED indicators appear clean and undamaged. The Condor WP4B1217CG AC power supply adapter is included. Please view our photo set and contact us if you have any questions.
This Black Box LD485S-MP RS-232 to RS-485 Standalone Multipoint Line Driver has been inspected and appears to be in good used condition. It was pulled from a working environment where it was previously in service. The unit shows normal light wear consistent with prior use; the housing is intact with no cracks or significant damage visible. The DB25 connector and front-panel LED indicators appear clean and undamaged. The Condor WP4B1217CG AC power supply adapter is included. Please view our photo set and contact us if you have any questions.
Warranty Information
We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
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Additional Information
Brand: |
Black Box |
Model: |
LD485S-MP |
MPN: |
ME742A |
Secondary Model: |
100-0019-001K |
SKU: |
10300 |
Type: |
RS-232 to RS-485 Standalone Multipoint Line Driver |
Interface Type: |
RS-232 (input), RS-485 (output) |
Connector Type: |
DB25 (female) |
Data Rate: |
Up to 128 kbps |
Number of Drops: |
Up to 64 |
Power Requirements: |
Input: 120V AC 60Hz; Output: 17V AC 0.7A (via Condor WP4B1217CG) |
Power Supply Included: |
Yes – Condor WP4B1217CG Plug-In Class 2 Transformer |
Form Factor: |
Desktop / Standalone |
LED Indicators: |
RTS, CD, TD, RD, PWR |
Country/Region of Manufacture: |
United States |
Condition: |
Used – Inspected, Pulled from Working Environment |
Seller Notes: |
Includes Condor AC power supply adapter (WP4B1217CG) |
Condition Notes: |
Black Box LD485S-MP RS-232/RS-485 multipoint line driver in good used condition. Pulled from a working environment. Includes Condor AC power supply. Normal light wear. Please contact us with any questions. |
