Solutions

• Family of 13 premium transmitters
• 14 units per Laser Link III shelf
  • Single slot Laser Link module
  • Exceptional performance, 51-55 CNR, 70 CTB, 65 CSO
• Operating temperature: -20 to + 65 ºC
• 10dBmV/ch nominal test point for 110 Ch NTSC input
• 15 dBmV broadcast RF input
  

• Dual slot Laser Link module (7 transmitters in 5RU)
• Dual optical output for architecture flexibility
• 10 dBm high power output for long distance
• Two performance offerings
  • Premium Grade,18dBm SBS Suppression
    (53/67/67 over 65km)
  • Standard Grade,16dBm SBS Suppression
    (52/65/65 over 65km)
• Front panel selection of fiber distance for optimization

• Dual slot Laser Link module (7 transmitters in 5RU)
• 10 dBm output power
• Front panel Gain and Slope adjustment
• LED Status : Power, RF Status, Optical Pwr, Laser Temp, Laser Bias, Fan
• 50-870 MHz bandwidth (LLNT)
• 5-210 MHz bandwidth (LLNTR)
• 20 ITU Wavelengths available:
  • Standard 200 GHz spacing
  • 1530.33 nm to 1560.61 nm

• 14, 17, 20, 22 dBm output power’s
• Input isolated with low noise figure
• Versatile design with three operating modes (Saturation, Gain locked, Power locked) in one unit, can be used for either broadcast or DWDM applications
• Gain Flattened LLOA20GF EDFA from 1530 ~ 1560 nm (±0.5dB @ Gain 17dB)
• Maintains per wavelength gain over 10 dB input range
• LCD with scroll and select buttons for easy setup and monitoring
  

LLFR Forward Rx

• Dual slot Laser Link module (7 receivers in 5RU)
• 50-870 MHz pass band
• 1310 nm/1550 nm operation
• TTL outputs for redundant switching
• Front panel with LED optical power meter and -30 RF Test point

ELLRR Return Rx

• Single slot Laser Link module (14 receivers in 5RU)
• Superior CNR performance (>50 dBmV output level)
• AGC (micro controlled)
  • RF stable with varying optical input +/- 1.5 dB optical / +/- 3 dB RF output
  • 25 dB attenuation (AGC off)
• Additional external plug in pad to reduce gain for optimal performance over optical input range
• TTL outputs for redundant switch control
• 5-210 MHz bandwidth

Digital Return Path Transmitter

• Laser Link shelf mount
• 2.5 Gbps, dual RF input
• Integrated A/D Processor and Optics in Single Module
• 14 modules per shelf, 28 Returns per 5 RU
• Fixed gain, no level adjustments, plug and play operation
• 1550 ITU Laser
  • +7 dBm launch
  • 27 dB loss budget (LB), next generation 37 dB LB
• Temp range -20 to +65 ºC
• 20 1550 ITU grid wavelengths
• 2 -20 dB RF TP relative to RF input

Digital Return Path Receiver

• Laser Link rack mount
• 2.5Gbps, dual RF output
• Integrated D/A Processor and Optics in Single Module
• 14 per shelf
• 2.5GB, dual RF output
• Fixed gain
• Initial version -20 dBm threshold (Future product threshold -30 dB
• Consistent 10-9 performance and RF output level over varying optical path budget