What is the Huawei 03030LMM?
The Huawei 03030LMM is an optical amplifier, listed by the manufacturer as "WDM TN12OAU100 C-BAND OPTICAL AMPLIFIER UNIT MAX 2DBM IN 18DBM OUT GAIN 16DB TO 25.5DB 03030LMM FTWT". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
