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CR52-P21-40x10/100/1000Base-TX-RJ45
40-Port 10/100/1000Base-RJ45 Flexible Card(Occupy two sub-sl...
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CR52-P21-40x10/100/1000Base-TX-RJ45 is an advanced Ethernet module engineered to deliver reliable connectivity with support for 10/100/1000Base-TX speeds via standard RJ-45 connectors. This module is designed to meet the rigorous demands of modern networks by offering high-performance data transmission and is ideal for integration with routers, switches, and servers.
Optimized for expanding data center capacity and upgrading server network interfaces, the CR52-P21-40x10/100/1000Base-TX-RJ45 features a modular form factor for straightforward installation. It supports essential networking protocols and key features such as auto-negotiation, Wake-on-LAN, jumbo frames, and QoS, ensuring robust, high-speed network performance across various enterprise environments.
CR52-P21-40x10/100/1000Base-TX-RJ45 price is is available on request. Get immediate quote.
Request bulk order quote for CR52-P21-40x10/100/1000Base-TX-RJ45 for additional pricing. Browse the full Netengine Series Router Module/Ne40E Series Service Router Module series or explore all Huawei products.
To get the detailed certification, please go to the Compliance Center.
| CR52-P21-40x10/100/1000Base-TX-RJ45 |  CR5D0MPUB460 |  CR5D0L4XFA7B |  CR5D0SRUA470 |  CR52-P20-12x100/1000Base-X-SFP | |
|---|---|---|---|---|---|
| Product Type | Network Module / Network Card | Network Card | Network Module / Network Card | Network Module / Network Card | Network Module / Network Card |
| Module Type | Ethernet Module | Ethernet | Ethernet | Ethernet | SFP |
| Data Rate | 10/100/1000Mbps | 10G | 10G | 10G | 100Mbps/1Gbps |
| Connector Type | RJ-45 | SFP+ | SFP+ | SFP+ | SFP |
| Supported Protocols | TCP/IP | TCP/IP | TCP/IP, iSCSI | TCP/IP | TCP/IP, iSCSI |
| Form Factor | Modular | PCIe | PCIe | PCIe | Modular |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco / Juniper / Arista / Dell / HP | Cisco, Juniper, Arista, Dell, HP | Cisco, Juniper, Arista, Dell, HP | Cisco, Juniper, Arista, Dell, HP | Cisco / Juniper / Arista / Dell / HP |
| Max Speed | 1Gbps per port | 10Gbps | 10Gbps | 10Gbps | 1Gbps |
| Supported Features | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation / QoS / Jumbo Frames |
| Power Consumption | N/A | 12W | 10W | 5W | N/A |
| Interface Ports | Ethernet | SFP+ | Ethernet | SFP+ | SFP |
| Expansion Slots | N/A | PCIe | N/A | N/A | SFP |
| Product Name | CR52-P21-40x10/100/1000Base-TX-RJ45 | CR5D0MPUB460 High-Performance Ethernet Module | CR5D0L4XFA7B 10Gbps Ethernet PCIe Network Card | CR5D0SRUA470 High-Speed Ethernet Module | CR52-P20-12x100/1000Base-X-SFP |
| Height | N/A | 0.35 inches | 1.5 inches | 1.5 inches | N/A |
| Width | N/A | 3.5 inches | 3.5 inches | 3.4 inches | N/A |
| Depth | N/A | 4.5 inches | 0.5 inches | 0.5 inches | N/A |
| Weight | N/A | 1.2 lbs | 0.7 lbs | 0.8 lbs | N/A |
High density RJ45 card works reliably. Ideal for access layer expansion.
Ports negotiate quickly and remain stable.
Good performance with mixed speed devices.
Reliable copper connectivity for enterprise environments.
No overheating or link issues observed.
Solid option for large scale copper deployments.
The CR52-P21 is a 40-port 10/100/1000Base-TX RJ45 Flexible Card that occupies two sub-slots on Cisco routers, delivering high-density Gigabit Ethernet connectivity.
The CR52-P21 is compatible with Cisco ASR 9000 Series, NCS, and CRS router platforms that feature two-slot flexible card bays; consult Cisco’s hardware installation guide for exact chassis support.
Power down the router, remove the blank sub-slot covers, insert the CR52-P21 into two adjacent sub-slots, secure it with the provided screws, then power up—the router will auto-detect the module.
The CR52-P21 delivers 40 Gigabit Ethernet ports at line-rate, supporting up to 1 Gbps per port with an aggregate non-blocking throughput of up to 80 Gbps.
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