3555 Top - Cdp Bt Serial Number
In BT's broadband and leased-line deployments, the 3555 series NTU terminates E1/T1 or fiber circuits. The "Top" unit indicates the primary path in a resilient failover configuration.
In BT's broadband and leased-line deployments, the 3555 series NTU terminates E1/T1 or fiber circuits. The "Top" unit indicates the primary path in a resilient failover configuration.