C9300-48UB-E= Specification
Product DescriptionCatalyst 9300 48-port modular uplinks 5G UPOE, Network AdvantageFRU Power SupplyYesFRU FansYesModular UplinksYesStacking Bandwidth Support480 GbpsCisco StackPowerYesCatalyst 9800 Embedded WLCYes (200 APs)SD-Access SupportYes (256 Virtual Networks)Total 10/100/1000,Multigigabit copper or SFP Fiber48 Cisco UPOEUplink ConfigurationModular UplinksDefault AC power supply1100W ACAvailable PoE power822WTotal number of MAC addresses32,000Total number of IPv4 routes (ARP plus learned routes)32,000 (24,000 direct routes and 8000 indirect routes)IPv6 routing entries16,000Multicast routing scale8,000QoS scale entries5,120ACL scale entries5,120Packet buffer per SKU16 MB buffer for 24- or 48-port Gigabit Ethernet models
32 MB buffer for 24 and 48-port Multigigabit
FNF entries64,000 flow on 24- and 48-port Gigabit Ethernet models
128,000 flows on 24-port Multigigabit
DRAM8 GBFlash16 GBVLAN IDs4094Total Switched Virtual Interfaces (SVIs)1000Jumbo frames9198 bytesTotal routed ports per Catalyst 9300 Series stack448Switching capacity256 GbpsSwitching capacity with stacking736 GbpsForwarding rate190.48 MppsForwarding rate with stacking547.62 MppsDimensions (H x W x D) inchesChassis only1.73 x 17.5 x 16.1W/ Default Power Supply1.73 x 17.5 x 19.2W/ 1100W Power Supply1.73 x 17.5 x 19.2Mean Time Between Failures–MTBF (hours)337,170Acoustic noise
Measured per ISO 7779 and declared per ISO 9296
Bystander positions operating to an ambient temperature of 25°C
With AC power supply (with 24 PoE+ ports loaded for C9300 SKUs)
• 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
Connectors and cabling• 1000BASE-T ports: RJ-45 connectors, 4-pair Cat 5E UTP cabling
• 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
Power connectors• Customers can provide power to a switch by using the internal power at the back of the switch
• 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
Safety certifications• UL 60950-1
• CAN/CSA-C222.2 No. 60950-1
• EN 60950-1
• IEC 60950-1
• AS/NZS 60950.1
• IEEE 802.3
Electromagnetic emissions certifications
• 47 CFR Part 15
• 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
EnvironmentalReduction of Hazardous Substances (ROHS) 5
