EX4400-48XP 提供 48 个 PoE++ 端口,220 V 下单电源 PoE++ 预算为 1650 W、双电源为 3600 W,110 V 下单电源为 724 W、双电源为 1748 W。配备两个 100GbE/40GbE 端口(可扩展至三个),并通过模块最多支持四个 10GbE 和四个 25GbE 端口。具备 400 Gbps Virtual Chassis 互连、348 Gbps 单向交换容量和 517 Mpps 二层/三层吞吐量。采用前进后出气流,安装电源和风扇后尺寸为 17.39 x 1.72 x 16.93 英寸(44.17 x 4.37 x 43 cm),不含电源和风扇模块时重 13.01 lb(5.9 kg)。配备冗余热插拔电源和现场可更换的热插拔风扇,默认随附 250 V 电源线。
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| 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 | — | — | 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 | Yes | Yes | Yes |
| PoE Budget | 1650 W | 220 W | 400 W |
| PoE Output Type | PoE 802.3af, PoE+ 802.3at, PoE++ 802.3bt | 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 | 696 Gbps | — | — |
| Forwarding capacity | 517 Mpps | — | — |
| MAC address table size | 112000 count | — | — |
| Power draw | idle · 3794 W, maximum · 3812 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 | — | — |
| Device management | SNMP, CLI | — | — |
| 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 | — | — |
| PoE ports | 48 ports | — | — |
| 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 | — | — |