Zyxel CX4800-56F · Business Ethernet switch

Model code

CX4800-56F

Identifier scope

Full manufacturer model designation, not a verified regional ordering SKU. Confirm revision and bundle before ordering.

Manufacturer model

CX4800-56F

Description / Product name

48-port 10G/25G L3 Aggregation Fiber Switch with 8 100G Uplinks

Description / Switch class

Layer 3 Aggregation

Port Density / Total port count

56

Port Density / 10G/25G SFP28 ports

48

Port Density / 100G QSFP28 ports

8

Port Density / Management port

100/1000BASE-T RJ-45 port for out-of-band IP management

Port Density / Console

RJ-45

Port Density / USB

2 *

Performance / Switching capacity (Tbps)

4.0

Performance / Forwarding rate (Bpps)

2.0

Performance / Packet buffer (byte)

32MB

Performance / MAC address table

32K

Performance / Jumbo frame (byte)

9K

Performance / L3 forwarding table

Max. 8K IPv4 entries; Max. 4K IPv6 entries

Performance / Routing table

Max. 12K IPv4 entries; Max. 1K IPv6 entries

Performance / VLAN routing

Yes

Performance / IP interface

256

Performance / Flash/RAM

64MB/8GB

Power / Input

Dual hot-swappable AC/DC power supply modules

Power / Min. power consumption (watts); Without any port connection

89.6

Power / Max. power consumption (watts); All ports full load without PoE

323.0

Fan / Modular fan

Up to 4 field-replaceable, hot-swappable fans

Physical Specifications / Dimensions (WxDxH)(mm/in.)

440 x 489 x 45/17.32 x 19.25 x 1.77

Physical Specifications / Weight (kg/lb.)

8.62/7.5

ESD/Surge Protections / Power supply surge protection

Line-GND: 2KV; LIne-Line: 1KV

ESD/Surge Protections / ESD protection (air/contact)

8KV/4KV

Environmental Specifications / Operating

Temperature; 0°C to 40°C/32°F to 104°F ; Humidity; 10% to 95% (non-condensing)

Environmental Specifications / Storage

Temperature; -20°C to 70°C/-4°F to 158°F ; Humidity; 10% to 95% (non-condensing)

Environmental Specifications / MTBF (hr @ 25°C)

590,181.1

Environmental Specifications / Heat dissipation (BTU/hr)

1,122

Environmental Specifications / Acoustic noise @ 25°C (min/max, dBA)

52.5/74.5

Documented selection limits

PoE input and PoE output are distinct. PoE budgets and maximum power draw are copied with manufacturer qualifiers. SFP/DAC compatibility, firmware, supplies and management/subscription entitlements must be checked for the exact model; no optics or licenses included claim.

Manufacturer footnotes — original conditions

* FCS+N for firmware upgrade with USB Flash or external storage for Log information.

Specification source: Zyxel ↗
Checked against documentation: 17.10.2026