About the ACX5448-M-AC-AFI
The M models add MACsec to the ACX5448: 44 SFP+ ports and 6 QSFP28 ports in a 1U chassis. The ACX5448-M-AC-AFI runs on two JPSU-850W-AC-AFI supplies (1+1) at up to 550 W, with air flowing from the power-supply side to the port side.
Software is basic L2 and IGP only, with no MPLS. A subscription is ordered separately from Support & Licensing above.
What’s included
- ACX5448-M router with 44 SFP+ and 6 QSFP28 ports, MACsec, AC power and back-to-front airflow
- Redundant fans
- Redundant AC power supplies
- Junos OS with basic L2 software and IGP, without MPLS
Sold separately
- Software subscription, listed in Support & Licensing above
- Advanced and Premium licenses and Juniper Care, listed in Support & Licensing above
Choosing a version
- ACX5448-M-AC-AFI (this page): AC power, back-to-front airflow
- ACX5448-M-AC-AFO: AC power, front-to-back airflow
- ACX5448-M-DC-AFI: DC power, back-to-front airflow
- ACX5448-M-DC-AFI-L: Limited JUNOS, DC power, back-to-front airflow
- ACX5448-M-DC-AFO: DC power, front-to-back airflow
- ACX5448-M-DC-AFO-L: Limited JUNOS, DC power, front-to-back airflow
Related models: ACX5448-A-AC-AFO, ACX5448-D-AC-AFI.
Not sure which version you need? Call (984) 225-1600 or request a quote and we’ll check it against your rack and network.
ACX5448-M-AC-AFI specifications
| Network ports | 44x SFP+, 6x QSFP28 |
|---|---|
| MACsec | Yes |
| Throughput | 800 Gbps |
| Form factor | 1U, fixed chassis |
| Dimensions (H x W x D) | 1.7 x 17.26 x 24 in (4.3 x 43.8 x 61 cm) |
| Weight (as shipped) | 19.73 lb / 8.95 kg |
| Airflow | Back-to-front |
| Power supplies | 2x JPSU-850W-AC-AFI (1+1 redundant, hot-swappable) |
| Max power draw (AC) | 550 W |
| Fans | 6x ACX5448-D-FAN-AFI (hot-swappable) |
| CPU | 1.9-Ghz six-core Intel |
| Memory | 32 GB |
| Storage | 200 (100+100) GB SSD |
| Operating temperature | 32° through 104° F / 0° through 40° C |
| Operating system | Junos OS |
Full specifications (44)
Network ports
| SFP+ Ports | 44 |
|---|---|
| SFP+ Port MACsec | Yes |
| QSFP28 Ports | 6 |
| QSFP28 Port Channelization | Yes |
Management and other ports
| Console Ports | 1 |
|---|---|
| Console Port Type | RJ-45 |
| Management Ports | 1 |
| Management Port Type | RJ-45 |
| USB Ports | 1 |
| USB Port Type | Type A |
| 10 MHz Port | Yes |
| PPS Port | Yes |
Chassis
| Chassis type | Fixed |
|---|---|
| Form Factor | 1U |
| Chassis Height | 1.7 in / 4.318 cm |
| Chassis Width | 17.26 in / 43.8404 cm |
| Chassis Depth | 24 in / 60.96 cm |
| Chassis depth (with power supplies and fans) | 25.5 in / 64.77 cm |
| Weight (as shipped) | 19.73 lb / 8.95 kg |
| Weight (fully loaded) | 26.12 lb / 11.85 kg |
| Chassis Model Number | ACX5448-M-CHASSIS |
Power
| Power supplies | 2 |
|---|---|
| Power supply redundancy | 1+1 |
| Power supply airflow | Back-to-front |
| Hot-swappable power supplies | Yes |
| AC power supply model | JPSU-850W-AC-AFI |
| AC Max Power Consumption | 550 W |
| AC Average Power Consumption | 300 W |
Cooling
| Airflow Direction | Back-to-front |
|---|---|
| Fan module model | ACX5448-D-FAN-AFI |
| Fan modules | 6 |
| Hot-swappable fans | Yes |
Processor
| CPU | 1.9-Ghz six-core Intel |
|---|---|
| Memory (DRAM) | 32 GB |
Storage
| Internal Storage Size | 200 (100+100) GB |
|---|---|
| Internal Storage Type | SSD |
Switching and routing scale
| Throughput | 800 Gbps |
|---|
Environmental
| Operating Temperature | 32° through 104° F / 0° through 40° C |
|---|---|
| Storage Temperature | -40° through 158° F / -40° through 70° C |
| Operating Altitude | 6000 ft / 1829 m |
| Humidity, operating (noncondensing) | 5% through 90% |
| Seismic Tolerance | Zone 4 |
| Maintenance Clearance | 24 in / 60.96 cm |
Software
| Operating system | Junos OS |
|---|
Common questions
Which ACX5448 gives me MACsec?
The M versions. MACsec is on the 44 SFP+ ports of this model and its siblings.
Do I get MPLS on the M model?
No. This SKU lists basic L2 and IGP software without MPLS, plus a separate software subscription.
How does it differ from the -L versions?
The -L models, such as ACX5448-M-DC-AFI-L, ship Limited JUNOS and need feature rights ordered separately.








