Gezhi Photonics (Shenzhen) Technology Co., Ltd.
                                                                                                           
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15 Years
Since 2011
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Cable Data Cables

1260~1650nm Optical Line Protection Module with RS-232 Control and LC/UPC Connector for Fiber Protection

Price Negotiable
Price: US$480/US$560
MOQ: 1pc
Delivery Time: Negotiable
Brand: GEZHI or OEM
Product Description
1260~1650nm Optical Line Protection Module with RS-232 Serial Port
The GZ-OLP-M-LP optical fiber protection module provides automatic light path switching between main and standby optical fibers. This module continuously monitors both fiber paths and automatically switches to the standby fiber when the main fiber signal drops below the set threshold, or back to the main fiber when the standby signal fails. Supports RS-232 serial port communication for configuration and status monitoring.
GZ-OLP-M-LP Optical Line Protection Module
Key Features
  • Low insertion loss with high stability
  • Real-time monitoring of main and standby optical power levels
  • Automatic main/standby fiber switching
  • RS-232 serial port communication support
Operation Schematic
Optical Line Protection Module schematic diagram
Technical Specifications
ParameterValues
ModelGZ-OLP-M-LP
Insertion Loss≤1.5 dB
Wavelength Range1260~1650nm
Optical Power Switching Value-10dBm, -15dBm, -20dBm, -25dBm, -30dBm, -35dBm (1550nm)
Accuracy±5%
Lifetime≥ 10⁷
Fiber Type9/125 μm
ConnectorLC/UPC
Control ModeRS-232
Power Down StateLatching
Working Power SupplyDC: 5V/500mA
Operating Temperature0 ~ +50℃
Storage Temperature-10℃ ~ +70℃
Product Size(L)104.0 * (W)120 * (H)28 ± 0.2mm
Panel Description
Optical Line Protection Module panel layout
  • Connector 1: Optical fiber connector (common port)
  • Connector 2: Optical fiber connector (main fiber)
  • Connector 3: Optical fiber connector (standby fiber)
  • Indicator Light 1: Green = main fiber active; Red = standby fiber active
  • Indicator Light 2: Green = main fiber signal normal; Red = main fiber signal fault
  • Indicator Light 3: Green = standby fiber signal normal; Red = standby fiber signal fault
Optical Line Protection Module controls and interfaces
  • SET Button: Manual switching between main and standby fiber
  • RS-232: Serial communication interface
  • Power: Power interface (5V/500mA)
Default Settings
RS-232: Baud rate: 9600; Data bits: 8 bit; Stop bit: 1 bit; Parity bit: NONE
Optical Power Switching Value: -35dBm
SET Button: Allows manual configuration
RS-232 Pin Definition
PinNameDescription
1NCNot Connected
2RXDReceiving Terminal
3TXDSending End
4NCNot Connected
5GNDGround
6-9NCNot Connected
Optical Line Protection Module application diagram Optical Line Protection Module installation example

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Company Gezhi Photonics (Shenzhen) Technology Co., Ltd.
Location 504,A Bld.,YiQuan Industry Park,FuQian Road No.434, FuCheng Street, Shenzhen, China 518110
Contact Person Ena Lin

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