Multiplexers
Cisco 8-Channel EWDM Multiplexer/Demultiplexer - Multiplexor - 8 ports - plug-in module
Cisco CWDM OADM - Multiplexor - 4 ports - plug-in module
Cisco CWDM OADM - Multiplexor - 4 ports - plug-in module - for P/N: CWDM-CHASSIS-2, CWDM-CHASSIS-2=, CWDM-CHASSIS-2-RF
Juniper Networks - Multiplexor