What is the Huawei 03030EYW?
The Huawei 03030EYW is a circuit board, listed by the manufacturer as "WDM TN21MR401 4-CHANNEL OPTICAL ADD/DROP MULTIPLEXING BOARD 192.1/192.2/192.3/192.4THZ 107.76 MM HEI". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
