Cisco 15454-40-DMX-C=V00 Cross-Connect 40-Channel Inverse Multiplexer Module

Cisco 15454-40-MUX-C=V00 40CHs Multiplexer C-Band Module 800-27456-01

Cisco 15454-40-WXC-C 40-Channel Single-Module ROADM, 800-27444-01

MRV ADVA DWDM Fiber Optic Multiplexer and De-Multiplexer

MRV RD-DMDXA40M ADVA DWDM Fiber Optic Multiplexer and De-Multiplexer w/RMK

Arris OP15M40U-0-99-AS 40-Channel DWDM Optical Demux/Multiplexer NS-Y2C

Ciena NTK529BAE5 Data Multiplexer Optical Fiber Module OME 6500

Optelian 1002-3000 CWDM-OMX-8 WOMAL00DRA OPTICAL MULTIPLEXER USED.