Cisco ASR-920-12SZ-IM ASR920 Series 12GE 4-10GE 1 IM slot ASR920-S-A Dual DC PSU
1GE( L-ASR920-1G-6 ). Cisco ASR920 Series-12 ports GE 4 ports. The model (ASR-920-12SZ-IM/ASR-920-12SZ-IM-CC) has a built-in GNSS receiver, which can act as a grandmaster clock for aggregating and backhauling small cell traffic.