Description
The Edgecore AS7535-28XB-O-48V-F (CSR440) is an open disaggregated cell site gateway router designed for carrier-grade mobile fronthaul, backhaul, and O-RAN networks. Built with Broadcom’s Qumran-2A silicon and an Intel® Xeon® D-1539 8-core processor, this router delivers high-performance Layer 2 and Layer 3 switching for service provider access and aggregation networks.
With 24 x 10/25G SFP28, 2 x 100G QSFP28, and 2 x 400G QSFP-DD ports, it provides flexible connectivity for modern LTE and emerging 5G xHaul architectures. The AS7535-28XB is temperature hardened (-40°C to 65°C) and equipped with redundant, hot-swappable 48VDC power supplies and 5+1 modular fans to ensure high availability and easy maintenance in mission-critical environments.
Pre-installed with ONIE (Open Network Install Environment), the platform enables operators to deploy their preferred Network Operating System (NOS) and applications, offering the agility and freedom of open networking.
| Specification | Details |
|---|---|
| Model | AS7535-28XB-O-48V-F |
| Type | Open Disaggregated Cell Site Router |
| Processor | Intel® Xeon® D-1539, 1.6GHz, 8-Core |
| Switch Silicon | Broadcom BCM88843 (Qumran-2A) |
| Memory | 2 × 8GB DDR4 SO-DIMM with ECC |
| Storage | 128GB mSATA SSD |
| Switching Capacity | 800 Gbps bidirectional |
| Packet Processing Rate | 600 Mpps |
| Network Ports | 24 × SFP28 (1/10/25G), 2 × QSFP28 (50/100G), 2 × QSFP-DD (50/100/200/400G) |
| Management Ports | 1 × RJ-45 console, 1 × RJ-45 1G management, 1 × Micro-USB console, 1 × USB Type-C storage, 1 × RJ-45 alarm |
| Timing/Clocking Ports | 1 × 1PPS I/O, 1 × 10MHz I/O, 1 × ToD RJ-45, 1 × BITS RJ-45, 1 × GNSS antenna input |
| Fan System | 5+1 hot-swappable, redundant fans |
| Power Supply | Modular Dual -48VDC PSU, Front-to-Back airflow |
| Power Input Range | -44 to -60V DC, 15.5–9.6 A per PSU |
| Power Consumption | Max 383.6W / Min 78.68W |
| Operating Temperature | -40°C to 65°C (-40°F to 149°F) |
| Storage Temperature | -40°C to 70°C (-40°F to 158°F) |
| Operating Humidity | 5%–95% non-condensing |
| Dimensions (W x D x H) | 438.4 × 300 × 43.3 mm |
| Weight | 7.5 kg (16.53 lb) |
| Mounting | 19" Rack-mountable |
| Certifications | UL, CB, CE, FCC Class A, VCCI, BSMI, RoHS 2.0, WEEE |
| Software Environment | Pre-loaded with ONIE, supports Open Network Linux (ONL) |
| Applications | LTE/5G xHaul, O-RAN, Service Provider Access and Aggregation |
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