| Hardware Overview |
| Form Factor | 1 RU |
| System Type | Fixed-configuration access switch |
| Ports | 48 x 10/100/1000BASE-T RJ-45 (PoE not supported) |
| Uplink Ports | 4 x 1GbE/10GbE SFP/SFP+ |
| Airflow | Front-to-back (AFI variant) |
| Architecture | Junos Trio chipset |
| Performance |
| Switching Capacity | 336 Gbps |
| Forwarding Rate | 250 Mpps |
| Latency (L2 64-byte frames) | 0.51 µsec |
| Latency (L3 64-byte frames) | 0.67 µsec |
| Packet Buffer | 6 MB (shared) |
| Jumbo Frame Size | 9,216 bytes |
| Firewall Filters (L2/L3) | 40 Gbps (ingress/egress) |
| System Capacity |
| MAC Addresses | 32,000 |
| VLAN IDs | 4,094 |
| ARP Entries | 16,000 |
| IPv4 Host Routes (FIB) | 16,000 (direct/connected) |
| IPv4 Routes (FIB) | 18,000 |
| IPv6 Routes (FIB) | 8,000 |
| Multicast Routes (IPv4) | 4,000 (shared with unicast) |
| Multicast Routes (IPv6) | 2,000 (shared with unicast) |
| Physical Specifications |
| Dimensions (W x H x D) | 17.45 x 1.75 x 16.43 in (44.3 x 4.4 x 41.8 cm) |
| Weight | 18.08 lb (8.2 kg) |
| Rack Mount | 19-inch (48.3 cm), with rack-mount kit |
| Power Supplies | 1 fixed 300W AC (hot-swap optional) |
| Fans | 5 redundant fans (hot-swap) |
| Power |
| Max Power Consumption | 260 W |
| Typical Power Consumption | 85 W |
| AC Input Voltage | 100-240 VAC, 50/60 Hz |
| AC Input Current | 4 A |
| Power Supply Efficiency | 80 PLUS Silver certified |
| Environmental |
| Operating Temperature | 0° to 45° C (32° to 113° F) |
| Storage Temperature | -40° to 70° C (-40° to 158° F) |
| Operating Altitude | Up to 10,000 ft (3,000 m) |
| Relative Humidity Operating | 10% to 85% (non-condensing) |
| Relative Humidity Non-Operating | 0% to 90% (non-condensing) |
| Acoustic Noise | 39.5 dBA @ 25° C |
| MTBF | 349,350 hours @ 25° C |
| Standards Compliance |
| 802.1D Bridging | Yes |
| 802.1p CoS | Yes |
| 802.1Q VLAN | Yes |
| 802.1Qbb DCBX | Yes |
| 802.1Qbg EPV | Yes |
| 802.1ab LLD | Yes |
| 802.1ad Provider Bridging | Yes |
| 802.1ag Connectivity Fault Management | Yes |
| 802.1ah Provider Backbone Bridging | Yes |
| 802.1ak Multiple VLAN Registration Protocol | Yes |
| 802.1s Multiple Spanning Trees | Yes |
| 802.1w Rapid Spanning Tree | Yes |
| 802.1X Port Access Control | Yes |
| 802.3 10BASE-T | Yes |
| 802.3ab 1000BASE-T | Yes |
| 802.3ad Link Aggregation Control Protocol | Yes |
| 802.3ae 10GbE | Yes |
| 802.3af PoE | N/A (non-PoE model) |
| 802.3at PoE+ | N/A |
| 802.3u 100BASE-TX | Yes |
| 802.3z 1000BASE-X | Yes |
| 802.3ah Ethernet OAM | Yes |
| RFC 4218 IPv6 | Yes |
| Safety Certifications |
| EMC Certifications |
| FCC 47CFR Part 15 Class A | Yes |
| EN 55022 Class A | Yes |
| CISPR 22 Class A | Yes |
| VCCI Class A | Yes |
| AS/NZS CISPR 22 Class A | Yes |
| EN 55024 | Yes |
| EN 300 386 | Yes |
| ICES-003 Class A | Yes |
| Software Features - Layer 2 |
| LAG | Yes (256 groups, 8 members/group) |
| MSTP | Yes (64 instances) |
| RSTP | Yes |
| VSTP | Yes |
| BPDU, Root, and Topology Guard | Yes |
| IGMP Snooping (v1/v2/v3) | Yes |
| MLD Snooping (v1/v2) | Yes |
| Storm Control | Yes (broadcast, unknown unicast, multicast) |
| Software Features - Layer 3 |
| IPv4 Routing | Yes (static, OSPF, IS-IS, BGP, VRF) |
| IPv6 Routing | Yes (static, OSPF3, IS-IS, BGP) |
| VRRP/VRRP-E | Yes |
| PIM (SM, SSM, DM) | Yes |
| EVPN-VXLAN | Yes |
| IRB Interfaces | Yes (up to 32) |
| Transceiver Support |
| SFP (1GbE) | SR, LR, LX, SX, ZX, 1000BASE-T |
| SFP+ (10GbE) | SR, LR, LRM, ER, DAC (passive/active), AOC |
| Multi-Rate | 1G/10G auto-sense on uplink ports |
