Product Description
Technical Specifications
| Parameter | Description |
| Product Type | DB-50 Parallel Extension Cable |
| Connector A | DB-50 Male |
| Connector B | DB-50 Female |
| Number of Pins | 50 (25 Pairs) |
| Connector Material | Nickel-Plated Steel Shell with Gold-Plated Contacts |
| Cable Shielding | Foil + Braid Shielded |
| Conductor Material | Tinned Copper |
| Jacket Material | PVC / Custom Optional |
| Cable Length | 0.5m / 1m / 2m / 3m / Custom OEM |
| Mounting Type | Panel Mount / Inline |
| Features | Molded Ends, Thumbscrews for Secure Connection |
| Operating Voltage | ≤ 30V DC (Signal Use) |
| Temperature Range | -10°C ~ +70°C |
Product Introduction
The DB-50 Male to Female Parallel Extension Cable is designed for extending legacy parallel or multi-channel signal
interfaces. It is ideal for industrial communication systems, test
equipment, and legacy hardware requiring 50-pin D-sub connectivity.
The shielded construction ensures stable performance in
electrically noisy environments..
Key Specs
DB-50 Pinout – 50-pin (25 pairs) D-sub style parallel interface
Male to Female Extension – Ideal for panel mount or inline usage
Double Shielded – Foil + braid shielding for improved EMI protection
Thumbscrews for Secure Fit – Prevents loose or vibrating connections
Gold-Plated Contacts – Enhances conductivity and resists corrosion
Color & Size Options
Color Options: Black / Beige / OEM Custom
Cable Lengths: 1m / 1.5m / 3m / 5m / Others on request
Connector Housing: Straight / Right Angle Optional
Packaging: Plastic Molded / Metal Hood / EMI Shielded
Product Features
Suitable for legacy data transfer systems and industrial
controllers
Thumbscrews provide tool-free, secure connection
Easily integrates with breakout boards or backplanes
Highly flexible jacket for confined installation spaces
OEM customization available for pinout, length, and labeling
- Compatible Devices
Compatible Devices
Parallel Port Expansion Interfaces
Industrial I/O Controllers
Test & Measurement Equipment
CNC Machines / PLC Backplanes
Legacy Communication Systems
DB50 to Terminal Block Converters
For signal use only – not suitable for high-power connections.
Verify DB-50 pin compatibility before installation.
Safety & Usage Notes
Ensure correct pinout before use to avoid signal damage
Use in dry, clean environments; not suitable for outdoor
installations
Avoid sharp bends near the connector ends
Custom labeling or strain relief available upon request
FAQ
Frequently Asked Questions (FAQ)
Q1. Are you factory or trade company?
A: We are factory of more than 16 years export experience.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q4. Samples ?
A: 2-5 pieces free samples are available, freight on you. Delivery
time usually is 2-3 days. Customized samples will take 5-10 days.
Q5. What is delivery time if we place an order?
A: It depends order quantities. Usually, we can deliver goods
within 10-15 working days, for more QTY order, let's confirm when
you place official order.
Q6. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.
Q7. How to ship out the cargo?
A: At your request, by sea, by express, all are available.
