About the EX9204-RED3B-AC
The EX9204-RED3B-AC is the 4-slot redundant version of the EX9204 in Juniper’s EX9200 family of modular core switches for campus and data-center networks. The chassis is 5U with a passive midplane and side-to-side airflow.
It ships with 2 routing engines, 2 fabric-2 modules, four 2520 W AC power supplies and 1 fan tray. Line cards, optics and cables are chosen separately.
What’s included
- EX9204 chassis with passive midplane
- 1 fan tray
- 2 EX9200-RE2 routing engines
- 2 switch fabric-2 modules
- four 2520 W AC power supplies
- Blank panels
Sold separately
- Line cards, optics and connection cables
- Advanced licenses, listed in Support & Licensing above
Choosing a version
- EX9204-RED3B-AC (this page): fabric-2, redundant system, AC power, side-to-side airflow
- EX9204-BASE3B-AC: base system, fabric-2, AC power, side-to-side airflow
- EX9204-BASE3B-AC-T: base system, fabric-2, AC power, side-to-side airflow, TAA-compliant
- EX9204-BASE3C-AC: base system, SF3 fabric, AC power, side-to-side airflow
- EX9204-BASE3C-AC-T: base system, SF3 fabric, AC power, side-to-side airflow, TAA-compliant
- EX9204-CHAS3-S: spare chassis only
- EX9204-RED3B-AC-T: fabric-2, redundant system, AC power, side-to-side airflow, TAA-compliant
- EX9204-RED3B-DC: fabric-2, redundant system, DC power, side-to-side airflow
- EX9204-RED3C-AC: SF3 fabric, redundant system, AC power, side-to-side airflow
- EX9204-RED3C-AC-T: SF3 fabric, redundant system, AC power, side-to-side airflow, TAA-compliant
- EX9204-RED3C-DC: SF3 fabric, redundant system, DC power, side-to-side airflow
Related models: EX9208-BASE3B-AC, EX9214-BASE3B-AC.
Not sure which version you need? Call (984) 225-1600 or request a quote and we’ll check it against your rack and network.
EX9204-RED3B-AC specifications
| Module slots | 3 |
|---|---|
| Throughput | 1600 Gbps |
| Form factor | 5U, modular chassis |
| Dimensions (H x W x D) | 8.7 x 17.5 x 24.5 in (22.1 x 44.5 x 62.2 cm) |
| Weight (fully loaded) | 128 lb / 58.05 kg |
| Airflow | Side-to-side |
| Power supplies | 4 (hot-swappable) |
| MAC addresses (thousands) | 1000 |
| IPv4 routes (thousands) | 1000 |
| Operating temperature | 32° through 104° F / 0° through 40° C |
| Operating system | Junos OS |
Full specifications (35)
Chassis
| Chassis type | Modular |
|---|---|
| Form Factor | 5U |
| Chassis Height | 8.7 in / 22.098 cm |
| Chassis Width | 17.5 in / 44.45 cm |
| Chassis Depth | 24.5 in / 62.23 cm |
| Weight (chassis only) | 52 lb / 23.58 kg |
| Weight (fully loaded) | 128 lb / 58.05 kg |
Power
| Power supplies | 4 |
|---|---|
| Hot-swappable power supplies | Yes |
| AC PSU Max Heat Dissipation | 8252 BTU/h |
Cooling
| Airflow Direction | Side-to-side |
|---|---|
| Fan trays | 1 |
| Hot-swappable fan trays | Yes |
Routing engines and fabric
| Routing engine model | EX9200-RE2 |
|---|---|
| Routing engines | 2 |
| Switch fabric boards | 2 |
| Module Slots | 3 |
Switching and routing scale
| Throughput | 1600 Gbps |
|---|---|
| IPv4 Unicast Routes Prefixes (RIB) (thousands) | 1000 |
| IPv4 Multicast Routes (thousands) | 256 |
| IPv6 Unicast Routes Prefixes (RIB) (thousands) | 1000 |
| IPv6 Multicast Routes (thousands) | 256 |
| FIB Entries (thousands) | 512 |
| ARP Entries (thousands) | 512 |
| MAC Addresses Per System (thousands) | 1000 |
| VLAN IDs | 32000 |
| Jumbo Frame | 9192 bytes |
Environmental
| Operating Temperature | 32° through 104° F / 0° through 40° C |
|---|---|
| Storage Temperature | -40° through 158° F / -40° through 70° C |
| Operating Altitude | 10000 ft / 3048 m |
| Humidity, operating (noncondensing) | 5% through 90% |
| Humidity, non-operating (noncondensing) | 5% through 95% |
| Seismic Tolerance | Zone 4 |
| Maintenance Clearance | 30 in / 76.2 cm |
Software
| Operating system | Junos OS |
|---|
Common questions
Do I need to add anything to make it work?
Interface modules and connection cables. The 5U chassis, routing engine hardware, fabric-2 fabric and AC supplies are already part of this configuration.
Which switch fabric does it use?
Fabric-2 on this page. The 4-slot redundant system with SF3 fabric is the EX9204-RED3C-AC, listed in the versions above.
What power supplies does it use?
It ships with four 2520 W AC power supplies.
How many routing engines does it have?
This 4-slot system is the redundant configuration, with 2 routing engines. The base systems have one.


