1. Product Overview
The eSSL 201 HE is a standalone single door access control reader designed for secure entry management. This device integrates a proximity card reader and a keypad for multiple access methods. It is suitable for various environments requiring controlled access.

Figure 1.1: An image showing the eSSL 201 HE access control reader. It features a numeric keypad (0-9, ESC, ENT) and indicator lights for power, OK, and mode on the left side. The device is dark grey.
Key Features:
- Read Range: Up to 10 cm
- Reading Time (card): <=300ms
- Weight: 150g (device only)
- Card Output: Weigand 26 Bit
- Input Port: 2ea (External LED Control, External Buzzer Control)
- LED Indicator: 2 Color LED Indicators (Red and Green)
- Beeper: Yes
2. Safety Information
This section outlines important safety precautions to ensure proper operation and prevent damage or injury.
- Ensure the power supply is 12V DC and does not exceed 70mA. Incorrect voltage can damage the device.
- Do not expose the device to extreme temperatures outside the range of 0°C to 45°C.
- Avoid installing the device in areas with humidity outside 20%-80% to prevent condensation or moisture damage.
- Installation should be performed by qualified personnel to ensure correct wiring and secure mounting.
- Disconnect power before performing any maintenance or wiring changes.
3. Setup and Installation
Follow these steps for proper installation of the eSSL 201 HE access control reader.
3.1 Package Contents (Typical):
- eSSL 201 HE Access Control Reader
- Mounting Screws and Wall Plugs
- Wiring Diagram (usually included with product)
3.2 Mounting the Device:
- Choose a suitable location near the door, ensuring it is within the operating temperature and humidity range.
- Mark the drilling points on the wall using the device or a mounting template.
- Drill holes and insert wall plugs if necessary.
- Secure the device to the wall using the provided screws.
3.3 Wiring Connections:
Refer to the wiring diagram provided with your product for precise connections. General connections include:
- Power Input: Connect 12V DC power supply to the designated terminals. Observe polarity.
- Lock Output: Connect to the electric lock (e.g., electromagnetic lock, strike lock).
- Exit Button: Connect an external exit button for egress.
- Door Sensor: Connect a door contact sensor for door status monitoring.
- Weigand Output: For connecting to a master controller if used as a reader only.
- External LED/Buzzer Control: Connect external indicators if desired.
Important: Ensure all connections are secure and insulated to prevent short circuits.
4. Operating Instructions
This section details the basic operation of the eSSL 201 HE access control reader.
4.1 Powering On:
Once wired correctly, apply 12V DC power. The "power" indicator light on the device should illuminate (typically red), followed by the "OK" indicator (typically green) after initialization.
4.2 Adding User Cards/PINs:
Refer to the specific programming manual for detailed steps on adding, deleting, and managing user cards and PINs. This typically involves entering a master code followed by specific commands on the keypad.
4.3 Granting Access:
- Using a Proximity Card: Present a registered proximity card to the reader. If authorized, the "OK" indicator will flash green, and the lock will momentarily release.
- Using a PIN: Enter your registered PIN on the keypad, then press the "ENT" key. If authorized, the "OK" indicator will flash green, and the lock will momentarily release.
- Using Exit Button: Press the external exit button to open the door from the inside.
4.4 Indicator Lights:
- Power (Red): Indicates the device is receiving power.
- OK (Green): Indicates successful operation or access granted.
- Mode (Yellow/Orange): Indicates programming mode or specific operational status.
5. Maintenance
Regular maintenance ensures the longevity and reliable operation of your eSSL 201 HE access control reader.
- Cleaning: Use a soft, dry cloth to clean the surface of the device. Do not use abrasive cleaners or solvents.
- Environmental Check: Periodically check that the installation environment remains within the specified temperature and humidity ranges.
- Wiring Inspection: Annually inspect all wiring connections for signs of wear, corrosion, or looseness.
- Functionality Test: Regularly test the access control functionality with registered cards/PINs and the exit button to ensure proper operation.
6. Troubleshooting
This section provides solutions to common issues you might encounter.
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on. | No power supply; incorrect wiring; faulty power adapter. | Check power source and connections. Ensure 12V DC. Test power adapter. |
| Card/PIN not granting access. | Card/PIN not registered; incorrect PIN entered; card damaged; reader malfunction. | Verify card/PIN registration. Re-enter PIN carefully. Try another registered card/PIN. |
| Lock not releasing. | Lock wiring issue; lock power issue; lock type mismatch (NO/NC). | Check lock wiring and power supply to the lock. Ensure lock type matches controller output. |
| Beeper not working. | Beeper disabled in settings; faulty beeper. | Check programming settings for beeper status. Contact support if issue persists. |
7. Technical Specifications
Detailed technical specifications for the eSSL 201 HE access control reader.
| Specification | Value |
|---|---|
| Model Number | 201 HE |
| Dimensions (L x W x H) | 87.5 X 109 X 33 mm |
| Read Range | Up to 10 cm |
| Reading Time (card) | <=300ms |
| Weight | 150g (device only), 220g (package) |
| Power Supply | 12 V DC / Max 70mA |
| Input Ports | 2 (External LED Control, External Buzzer Control) |
| Card Output | Weigand 26 Bit |
| PIN Output | Weigand 8 Bit |
| LED Indicator | 2 Color (Red and Green) |
| Beeper | Yes |
| Operating Temperature | 0°C - 45°C |
| Operating Humidity | 20% - 80% |
8. Warranty and Support
8.1 Warranty Information:
This product comes with a standard manufacturer's warranty. Please refer to the warranty policy provided at the time of purchase or visit the official eSSL website for detailed terms and conditions. Keep your purchase receipt as proof of purchase for warranty claims.
8.2 Customer Support:
For technical assistance, troubleshooting, or service inquiries, please contact eSSL customer support. You can find contact information on the official eSSL website or through your local distributor.
Manufacturer: Enterprise Software Solutions Lab Pvt. Ltd.
For more information, visit: eSSL Official Website





