Application

• Broadband optical downstream receiver with single/dual optical upstream transmitter for usage in HFC networks

Features

• Various transmitter types:
  - 1310nm or CWDM DFB laser type
  - +3 or +6dBm optical output power
• Extremely low noise optical receiver
  with software configurable RF output level
• Optical input level controlled
• Optical input and optical output level supervision
• Line coding
• Controlled transmitter output power and pilot controlled optical modulation index (to compensate ageing effects)
• Ingress control switches ICS for both optical transmitters
• Various network management capabilities:
  - RS485 network management interface 
    (BOX90x)
  - Transbus NMS (BOX90xT): Integrated
    transponder for transmission of alarm
    messaging from fiber nodes
  - LON network management interface
    (BOX90xL)
  - Dual Management LON and Transbus
    (BOX90xLT)
• 1310nm/CWDM multiplexer optionally integrated (one optical input)