C9300-48UMX-A Specification

32 MB buffer for 24 and 48-port Multigigabit

128,000 flows on 24-port Multigigabit

Measured per ISO 7779 and declared per ISO 9296

Bystander positions operating to an ambient temperature of 25°C

• LpA: 45dB typical, 48 dB max

• LwA: 5.6B typical, 5.9B max

With AC power supply (with half the number of PoE+ ports loaded for C9300L SKUs)

• LpA: 44dB typical, 47 dB max

• LwA: 5.5B typical, 5.8B max

Typical: Noise emission for a typical configuration

Maximum: Statistical maximum to account for variation in p

• Multigigabit-T ports: RJ-45 connectors, 4-pair Cat 5E, Cat 6, Cat 6A UTP cabling

• 1000BASE-T SFP-based ports: RJ-45 connectors, 4-pair Cat 5E UTP cabling

• SFP transceivers: LC fiber connectors (single-mode or multimode fiber)

• SFP+ transceivers: LC fiber connectors (single-mode or multimode fiber)

• QSFP+ transceivers: MPO and LC fiber connectors (single-mode or multimode fiber)

• QSFP+ connector

• SFP+ connector

• Cisco StackWise stacking ports: copper-based Cisco StackWise cabling

• Cisco StackPower: Cisco proprietary power stacking cables

• Ethernet management port: RJ-45 connectors, 4-pair Cat 5 UTP cabling

• Management console port: RJ-45-to-DB9 cable for PC connections

• Internal power supply connector: The internal power supply is an auto-ranging unit. It supports input

voltages between 100 (115 for 1100WAC) and 240 VAC. Use the supplied AC power cord to

connect the AC power connector to an AC power outlet

• CAN/CSA-C222.2 No. 60950-1

• EN 60950-1

• IEC 60950-1

• AS/NZS 60950.1

• IEEE 802.3

• CISPR22 Class A

• EN 300 386 V1.6.1

• EN 55022 Class A

• EN 55032 Class A

• CISPR 32 Class A

• EN61000-3-2

• EN61000-3-3

• ICES-003 Class A

• TCVN 7189 Class A

• V-3 Class A

• CISPR24

• EN 300 386

• EN55024

• TCVN 7317

• V-2/2015.04

• V-3/2015.04

• CNS13438

• KN32

• KN35

• IEC 61000-6-1

• EN 61000-6-1

Additional Certifications for C9300L SKUs:

• QCVN 118:2018/BTTTT

• CISPR24/25

• CISPR 32 Class A

• VCCI-CISPR 32 Class A

• EN55035