| Model | WS-X4920-GB-RJ45 | WS-X4248-FE-SFP | WS-X6848-TX-2TXL | SPA-2X1GE-V2 |
| Brand | Cisco | Cisco | Cisco | Cisco |
| Module Type | Module Card/No Fan & PSU | n/a | n/a | n/a |
| Port Configuration | 20 x GE RJ45 ports | 48 x 100 Mbit SFP | n/a | 2*, 5, 8, or 10 Gigabit Ethernet ports (* usable in combination of SFP and RJ-45 ports for a total of 2 Gigabit Ethernet ports) |
| Supported Speed | 10/100/1000Base-T RJ-45 | Fast Ethernet | n/a | Gigabit Ethernet |
| Compatible Platform | n/a | Cisco Catalyst 4503, 4504, 4506, 4507R, 4510R | Cisco Catalyst 6500 E-Series chassis | Cisco Catalyst 6500, 7600, 12000, XR 12000, ASR 1000, CRS, 10000 Series |
| Installation Type | n/a | Plug-in module | n/a | Single-height SPA |
WS-X4920-GB-RJ45 Specifications |
|
| Brand | Cisco |
| Model | WS-X4920-GB-RJ45 |
| Product Type | Switch Module |
| Number of Ports | 20 Ports |
| Port Type | 10/100/1000Base-T RJ-45 |
| Layer | Layer 3 |
| Backplane Capacity | 320 Gbps |
| Forwarding Rate | 250 Mpps |
| Power Supply | Dual Internal Redundant Power Supply |
| Network Management | SNMP, RMON, Telnet, CLI |
| VLAN Support | Yes |
| Quality of Service (QoS) | Yes |
| Dimensions | 1.75 x 15.3 x 16.7 inches |
| Operating Temperature | 0 to 40??C (32 to 104??F) |
| Storage Temperature | -40 to 70??C (-40 to 158??F) |
| Operating Humidity | 10% to 90% (non-condensing) |
| Storage Humidity | 5% to 95% (non-condensing) |
| MTBF | 850,000 hours |
| Security Features | Access Control Lists (ACLs), Secure Sockets Layer (SSL) |
| Certifications | CE, FCC, UL |
| Model Number | Description |
| WS-C4900M | Cisco 4900M modular switch chassis providing the compatible platform for WS-X4920-GB-RJ45 deployment. |
| C3K-PWR-1150WAC | 1150W AC power supply for Cisco modular switches, ideal as redundant PSU for high-availability deployments. |
| CAB-AC15A-NA | North America AC power cord for Cisco enterprise switches and chassis-based systems. |
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