About the EX4100-24T
The EX4100-24T provides Gigabit copper access with a separate choice of 10GbE and 25GbE upstream connections. Its 24 RJ-45 access ports suit campus and branch closets; four SFP+ ports provide 10GbE uplinks and four SFP28 ports provide 25GbE stacking/uplink connections.
This front-to-back airflow configuration includes one AC power supply and redundant fans. Virtual Chassis supports up to 10 members, and optics are ordered separately.
What’s included
- EX4100-24T Gigabit copper access switch with front-to-back airflow
- Standard software features, available without an Advanced or Premium license
- 1 AC power supply
- Redundant fans
Sold separately
- Optics for the pluggable ports
- Advanced and Premium licenses and Juniper Care, listed in Support & Licensing above
Choosing a version
- EX4100-24T (this page): AC power, front-to-back airflow
- EX4100-24T-CHAS: spare chassis only
- EX4100-24T-DC: DC power, front-to-back airflow
Related models: EX4100-24MP, EX4100-24P.
Not sure which version you need? Call (984) 225-1600 or request a quote and we’ll check it against your rack and network.
EX4100-24T specifications
| Network ports | 24x RJ-45, 4x SFP+ uplink |
|---|---|
| Switching capacity (bidirectional) | 328 Gbps |
| Forwarding rate | 244 Mpps |
| Form factor | 1U, fixed chassis |
| Dimensions (H x W x D) | 1.72 x 17.36 x 13.78 in (4.4 x 44.1 x 35 cm) |
| Weight (fully loaded) | 12.95 lb / 5.875 kg |
| Airflow | Front-to-back |
| Power supplies | 2x JPSU-150-AC-AFO (1+1 redundant, hot-swappable) |
| Fans | 2x EX4100-FAN-AFO (1+1 redundant, hot-swappable) |
| CPU | 1.7 GHz ARM |
| Memory | 4 GB |
| Storage | 8 GB |
| Virtual Chassis | Up to 10 members, 4x SFP28 ports |
| MAC addresses (thousands) | 64 |
| IPv4 routes (thousands) | 32.65 |
| Operating temperature | 32° through 113° F / 0° through 45° C |
| Operating system | Junos OS |
Full specifications (72)
Network ports
| RJ-45 Ports | 24 |
|---|
Management and other ports
| Console Ports | 2 |
|---|---|
| Console Port Type | RJ-45, Type C |
| Management Ports | 1 |
| Management Port Type | RJ-45 |
| USB Ports | 1 |
| USB Port Type | Type A |
| Uplink Ports | 4 |
| Uplink Port Type | SFP+ |
Chassis
| Chassis type | Fixed |
|---|---|
| Form Factor | 1U |
| Chassis Height | 1.72 in / 4.3688 cm |
| Chassis Width | 17.36 in / 44.0944 cm |
| Chassis Depth | 13.78 in / 35 cm |
| Chassis depth (with power supplies and fans) | 15.05 in / 38.227 cm |
| Weight (chassis only) | 9.72 lb / 4.41 kg |
| Weight (fully loaded) | 12.95 lb / 5.875 kg |
Power
| Power supplies | 2 |
|---|---|
| Power supply redundancy | 1+1 |
| Power supply airflow | Front-to-back |
| Hot-swappable power supplies | Yes |
| AC power supply model | JPSU-150-AC-AFO |
Cooling
| Airflow Direction | Front-to-back |
|---|---|
| Fan module model | EX4100-FAN-AFO |
| Fan modules | 2 |
| Fan redundancy | 1+1 |
| Hot-swappable fans | Yes |
Processor
| CPU | 1.7 GHz ARM |
|---|---|
| Memory (DRAM) | 4 GB |
Storage
| Internal Storage Size | 8 GB |
|---|
High availability
| HA / Virtual Chassis ports | 4 |
|---|---|
| HA / Virtual Chassis port type | SFP28 |
| Virtual Chassis members (max) | 10 |
Switching and routing scale
| Packet Switching Unidirectional (64B) | 164 Gbps |
|---|---|
| Packet Switching Bidirectional (64B) | 328 Gbps |
| L2/L3 Throughput (64B) | 244 Mpps |
| IPv4 Unicast Host Routes (thousands) | 32.15 |
| IPv4 Unicast Routes Prefixes (RIB) (thousands) | 32.65 |
| IPv4 Multicast Routes (thousands) | 16.1 |
| IPv6 Unicast Host Routes (thousands) | 16.05 |
| IPv6 Unicast Routes Prefixes (RIB) (thousands) | 16.2 |
| IPv6 Multicast Routes (thousands) | 8 |
| IPv6 Neighbor Discovery Entries (thousands) | 16 |
| Egress VLAN ACL | 511 |
| Egress Port ACL | 1022 |
| Egress Routed ACL | 1022 |
| Ingress VLAN ACL | 4092 |
| Ingress Port ACL | 4092 |
| Ingress Routed ACL | 4092 |
| ARP Entries (thousands) | 32 |
| MSTP Instances | 64 |
| VSTP Instances | 253 |
| Link aggregation groups (LAGs) | 128 |
| Ports Per LAG | 8 |
| MAC Addresses Per System (thousands) | 64 |
| Maximum Mirroring Sessions | 4 |
| Traffic Mirroring Destination VLANs | 1 |
| Traffic Mirroring Destination Ports | 4 |
| VLAN IDs | 4094 |
| Jumbo Frame | 9216 bytes |
| QoS Hardware Queues Per Port (Multicast) | 8 |
| QoS Hardware Queues Per Port (Unicast) | 4 |
Environmental
| Operating Temperature | 32° through 113° F / 0° through 45° C |
|---|---|
| Non-Operating Altitude | 16000 ft / 4876 m |
| Storage Temperature | -40° through 158° F / -40° through 70° C |
| Operating Altitude | 5000 ft / 1524 m |
| Humidity, operating (noncondensing) | 5% through 90% |
| Humidity, non-operating (noncondensing) | 0% through 90% |
| Seismic Tolerance | Zone 4 |
| Acoustic Noise Level (Max) | 38 dB |
| Maintenance Clearance | 30 in / 76.2 cm |
Software
| Operating system | Junos OS |
|---|
Common questions
Does the 24T bundle include a power supply?
Yes. One AC power supply is included, together with redundant fans and standard software.
What connects an EX4100 Virtual Chassis?
The switch has four SFP28 stacking/uplink ports and supports up to 10 members managed together.
Do the uplinks come with optics?
No. Transceivers for the SFP+ and SFP28 connections are sold separately from the switch.


