EX4000-12MP 配备四个 100M/1G/2.5GBaseT 接入端口和八个 10/100/1000BaseT 接入端口。全部 12 个端口支持 60 W PoE++，PoE 功率预算为 240 W。提供两个 10GbE 上行端口和两个 10GbE 堆叠/上行端口，单向交换容量为 58 Gbps，二层/三层吞吐量为 86 Mpps。交换机采用交流供电、无风扇设计，含电源散热片尺寸为 10.39 x 1.71 x 9.99 英寸（26.4 x 4.34 x 25.37 cm），重 3.15 kg。
本产品与“大型企业”中其他产品的对比。
| Installation method | — | DIN rail | Rack 19", Desktop, Wall |
| Link technology | Ethernet | Ethernet | Ethernet |
| Port speed | 2.5G | 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 | 12 ports | 8 ports | 24 ports |
| Downlink Speed | 2.5 Gbps | 1 Gbps | 1 Gbps |
| Uplink Media Type | Fiber | Fiber | Fiber |
| Uplink Speed | 10 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 | 240 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 · 2.5G · Ethernet · 4 ports, Copper and Ethernet · 1G · Ethernet · 8 ports, Fiber Optic Transceiver · 10G · Fiber · 4 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 | 264 mm | — | — |
| Height | 43.4 mm | — | — |
| Depth | 253.7 mm | — | — |
| Weight | 3.15 kg | — | — |
| Switching capacity | 116 Gbps | — | — |
| Forwarding capacity | 86 Mpps | — | — |
| MAC address table size | 32000 count | — | — |
| Power draw | maximum · 40 W | — | — |
| Number of fans | 0 count | — | — |
| Operating humidity | 5 to 90 % | — | — |
| Storage temperature | -40 to 70 °C | — | — |
| Storage humidity | 5 to 95 % | — | — |
| Maximum altitude | 3048 m | — | — |
| Memory capacity | 4 GB | — | — |
| Onboard storage capacity | 8 GB | — | — |
| Cooling method | Passive (fanless) | — | — |
| Maximum frame size | 9216 bytes | — | — |
| Device management | Cloud portal, CLI | — | — |
| Lifetime warranty | Yes | — | — |
| Compliance standard | FCC Part 15 Class A, ICES-003 Class A, EN 55032, EN 55035, CISPR 32 Class A, CISPR 35, EN 61000-3-2, EN 61000-3-3, AS/NZS CISPR 32 Class A, VCCI Class A, CNS 15936 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 60825-1 | — | — |
| Security features | TLS, DoS protection | — | — |
| IP protocols | DHCP, IPv4, IPv6, DNS, NTP, TLS | — | — |
| PoE ports | 12 ports | — | — |
| 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, Access control lists (MAC/IP) | — | — |
| Management protocols | SNMPv1, SNMPv2c, SNMPv3, HTTP, HTTPS, SSH, Telnet, SCP, Syslog, RADIUS, TACACS+ | — | — |
| Link aggregation groups | 128 count | — | — |
| Ports per aggregation group | 8 ports | — | — |
| QoS queues | 12 count | — | — |
| Switching layer | Layer 3 | — | — |
| Management level | Managed | — | — |
| Maximum VLANs | 1020 count | — | — |
| Maximum ARP entries | 4000 count | — | — |
| Maximum ACLs | 510 count | — | — |
| Directives | RoHS | — | — |
| Stack members | 6 count | — | — |
| IPv4 unicast routes | 1000 count | — | — |
| IPv6 unicast routes | 1000 count | — | — |
| MSTP instances | 64 count | — | — |
| Mirroring sessions | 4 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。