EX4400-48T 提供 48 个 10/100/1000BASE-T 接入端口，不带 PoE++ 端口。通过扩展模块最多可支持四个 10GbE 端口和四个 25GbE 端口，并通过模块支持两个 100GbE/40GbE 端口。配备 400 Gbps Virtual Chassis 互连、AFO 前进后出散热、550 W 交流电源、4 GB DRAM 和 20 GB 存储。不含电源和风扇模块时，交换机本体重 13.01 lb（5.9 kg）。
本产品与“大型企业”中其他产品的对比。
| Installation method | Rack 19" | DIN rail | Rack 19", Desktop, Wall |
| Link technology | Ethernet | Ethernet | Ethernet |
| Port speed | 1G | 10G | 10G |
| Rack Units Height | 1 U | — | 1 U |
| Product line | Juniper EX | — | — |
| Lifecycle status | Active | — | — |
| Operating temperature | 0 to 45 °C | — | -5 to 50 °C |
| Specification group | active | — | active |
| Downlink Media Type | Ethernet | Ethernet | Ethernet |
| Downlink Ports | 48 ports | 8 ports | 24 ports |
| Downlink Speed | 1 Gbps | 1 Gbps | 1 Gbps |
| Uplink Media Type | Fiber | Fiber | Fiber |
| Uplink Speed | 100 Gbps | 10 Gbps | 10 Gbps |
| AC Input Voltage | 100 to 240 V | — | 90 to 290 V |
| DC Input Voltage | — | 48 to 57 V | — |
| HVDC Input Voltage | — | — | 190 to 290 V |
| Input Frequency | — | — | 45 to 65 Hz |
| PoE | No | Yes | Yes |
| PoE Budget | — | 220 W | 400 W |
| PoE Output Type | — | PoE 802.3af, PoE+ 802.3at | PoE+ 802.3at |
| Input Type | AC mains | DC | AC mains, DC |
| Network Ports | Copper and Ethernet · 1G · Ethernet · 48 ports, QSFP · 100G · Fiber · 2 ports | Copper and Ethernet · 1G · Ethernet · 8 ports, Fiber Optic Transceiver · 1G · Fiber · 2 ports, Fiber Optic Transceiver · 10G · Fiber · 2 ports | Copper and Ethernet · 1G · Ethernet · 24 ports, Fiber Optic Transceiver · 10G · Fiber · 4 ports |
| Device Role | Switch | Switch | Switch |
| Width | 441.7 mm | — | — |
| Height | 43.7 mm | — | — |
| Depth | 430 mm | — | — |
| Weight | 5.9 kg | — | — |
| Switching capacity | 348 Gbps | — | — |
| Forwarding capacity | 517 Mpps | — | — |
| MAC address table size | 112000 count | — | — |
| Power draw | idle · 95 W, maximum · 99 W | — | — |
| Number of fans | 2 count | — | — |
| Operating humidity | 5 to 90 % | — | — |
| Storage temperature | -40 to 70 °C | — | — |
| Storage humidity | 0 to 90 % | — | — |
| Maximum altitude | 1828.8 m | — | — |
| Processor model | Quad-Core Intel x86 | — | — |
| CPU maximum clock | 2.2 GHz | — | — |
| Memory capacity | 4 GB | — | — |
| Onboard storage capacity | 20 GB | — | — |
| Cooling method | Active (fan) | — | — |
| Acoustic noise | 42.32 dB | — | — |
| Maximum frame size | 9216 bytes | — | — |
| Input current, maximum | 30 A | — | — |
| Two-post mountable | Yes | — | — |
| Device management | Cloud portal, CLI, SNMP | — | — |
| Lifetime warranty | Yes | — | — |
| Compliance standard | FCC Part 15 Class A, ICES-003 Class A, EN 55032, CISPR 32 Class A, EN 55024, CISPR 24, EN 55035, CISPR 35, AS/NZS CISPR 32 Class A, VCCI Class A, CNS 13438 Class A, KN 32 Class A, KN 35, CAN/CSA C22.2 No. 62368-1, CAN/CSA C22.2 No. 60950-1, UL 62368, UL 60950-1, IEC 62368-1, IEC 60950-1, IEC 60825-1 | — | — |
| Security features | TLS, DoS protection | — | — |
| IP protocols | DHCP, IPv4, IPv6, DNS, NTP, TLS | — | — |
| Power supply type | Internal | — | — |
| Switching features | Spanning Tree (STP, 802.1D), Rapid Spanning Tree (RSTP, 802.1w), Multiple Spanning Tree (MSTP, 802.1s), Link aggregation (LACP, 802.3ad), VLANs (802.1Q), Traffic prioritisation (802.1p), DSCP QoS, Flow control (802.3x), IGMP snooping, MLD snooping, LLDP (802.1AB), LLDP-MED, Port mirroring, Auto MDI/MDI-X, Cable diagnostics, Port security, Access control lists (MAC/IP) | — | — |
| Management protocols | SNMPv1, SNMPv2c, SNMPv3, HTTP, HTTPS, SSH, SCP, Syslog, RADIUS, TACACS+ | — | — |
| Link aggregation groups | 128 count | — | — |
| Ports per aggregation group | 16 ports | — | — |
| QoS queues | 12 count | — | — |
| Switching layer | Layer 3 | — | — |
| Management level | Managed | — | — |
| Airflow direction | Front-to-back | — | — |
| Maximum airflow | 61 CFM | — | — |
| Maximum VLANs | 4093 count | — | — |
| Maximum ARP entries | 24000 count | — | — |
| Maximum ACLs | 2048 count | — | — |
| Directives | RoHS | — | — |
| Stack members | 10 count | — | — |
| Stacking bandwidth | 400 Gbps | — | — |
| IPv4 unicast routes | 130048 count | — | — |
| IPv6 unicast routes | 87000 count | — | — |
| VRF instances | 1000 count | — | — |
| MSTP instances | 64 count | — | — |
| Mirroring sessions | 4 count | — | — |
| Module slots | 1 count | — | — |
| Routing protocols | Static routing, RIP, RIPng, OSPF, OSPFv3, IS-IS, BGP, PIM, VRRP, BFD | — | — |
将该产品的全部信息汇集于一份 PDF，可直接打印或与团队分享。