8 BIDI Contact Closure To Fiber Optic support 8 Channels BIDI contact closure over one multi-mode or single-mode optical fiber. These fiber optic transmitterand fiber optic receiver are typically used in applications with Access Control System, Alarm Event Triggering, Building Automation and Environmental Control Systems, Fire & Alarm Systems, PIR signal Transmission, Traffic Signal Control Equipment, etc, and are available for stand-alone or rack-mount installations. FC, ST or SC optical connectors is optional. Plug and Play design ensures adjustment-free installation and operation, and optical adjustments are never required. LED indicators are provided to instantly monitor the system operating status. Features • Support Point-to-Point or Daisy-Chain connection • Dry Contact Closure or TTL data over one fiber • Multimode Fiber Support for Distances up to 2 km • Single-Mode Fiber Support for Distances up to 100 km • LED Status Provide Rapid Indication of Operating Parameters • No EMI or RFI and no ground loops • Stand alone or rack-mount • Produce according to customer's specifications,providing OEM Opitcal: Wavelength | 1310nm&1470nm~1610nm | Output Power | -14~ -8dBm / -5~0dBm | Optic fiber | 50/125u multimode,62.5/125u multimode,9/125u single mode | Rx sensitivity | -30dBm | Optical connector | FC,ST,SC (optional) | Distance | 0~2KM (MM) / 0~100KM (SM) | Contact Closure: Connector | Standard terminal lead | Signal input | alarm, Binary input, support TTL,RS-232/422/485 or passive dry Contact Closure | Signal output | Arbitrary alarm, Binary output, support TTL,RS-232/422/485 or relay output | Electrical & Mechanical | Input Power Requirements: | DC 5V@2A | Power Adapter: | AC 90V~240V | Power Consumption: | < 5W | Stand-Alone Dimensions: | 175mm×154mm×30mm | Shipping Weight: | (include Transmitter & Receiver ) 1.5kg | Environmental | Operating Temperature: | -20°C ~ +75°C | Storage Temperature: | -40°C ~ +85°C | Relative Humidity: | 0% ~ 95% (non-condensing) | MTBF: | >100,000 hours | System connection diagram  |