Optical Monitoring Modules

Optical Channel Monitors – CTM Series

The CTM Series of optical channel monitors is ideal for original equipment manufacturers looking to achieve the necessary cost targets for embedded DWDM monitoring for ROADM, multi-haul and third-party wavelengths applications. These low-cost and ultra-compact optical channel monitors are ideal for use in closed-loop control of power-equalized channels. They offer the capability to monitor DWDM signals with arbitrary modulation formats on a flexible channel grid.


  • 10G/40G/100G/400G/1T signals
  • Flex-BW for flexible grid applications
  • Full C- or L-band scanning range
  • Fast response time
  • Small size


  • ROADM/OADM equalization
  • Smart amplifier gain equalization
  • Self-managed Mux control
  • Power threshold crossing alarms
  • Remote power monitoring & control
  • Automated provisioning & maintenance

CTM 1450 Firmware Release 4-10-11

CTM 1450 Firmware Release 4-15

CTM 1250 Firmware Release 2-34

Communications, Datacenter Interconnects, ROADM Systems, Optical Monitoring Modules, OPTICAL COMMUNICATIONS

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