Product details
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CRS328-24P-4S+RM is a 28 independent port switch, it has 24 Gigabit Ethernet ports, which offer different power output options: Passive PoE, low voltage PoE, 802.3af/at (Type 1 “PoE” / Type 2 “PoE+”) with auto-sensing. PoE-Out is passed over mode B pins (4,5+)(7,8-). The four SFP+ ports provide up to 10 Gbps connectivity options via either optical fiber or Ethernet modules (not included).
CRS328-24P-4S+RM comes in a 1U rackmount case with 100-240 V AC 500 W power supply built-in. The device consumes up to 44 W leaving guaranteed 450 W (3x150 W per every 8 Ethernet ports) to power your PoE devices. Each port can provide up to 30 W of power with any power output option you choose.
The device has a “Dual boot” feature that allows you to choose between two operating systems - RouterOS or SwOS. If you prefer to have a simplified operating system with only switch specific features, use SwOS. If you would like the ability to use routing and other Layer 3 features in your CRS, use RouterOS. You can select the desired operating system from RouterOS, from SwOS or from the RouterBOOT loader settings. All the feature set comes with disruptive price, providing best price/performance on the market.
產品規格 (Specifications)
| Product code | CRS328-24P-4S+RM |
| Architecture | ARM 32bit |
| CPU | 98DX3236 |
| CPU core count | 1 |
| CPU nominal frequency | 800 MHz |
| Switch chip model | 98DX3236 |
| Dimensions | 443 x 300 x 44 mm |
| RouterOS license | 5 |
| Operating System | RouterOS / SwitchOS |
| Size of RAM | 512 MB |
| Storage size | 16 MB |
| Storage type | FLASH |
| MTBF | Approximately 200'000 hours at 25C |
| Tested ambient temperature | -20°C to 60°C |
電源規格(Powering)
| Number of AC inputs | 1 |
| AC input range | 100-240 |
| Number of PSU slots | 2 |
| Max power consumption | 494 W |
| Max power consumption without attachments | 44 W |
| Cooling type | 2 fans |
PoE供電(PoE-out)
| PoE-out ports | Ether1-Ether24 |
| PoE out | 802.3af/at |
| Max out per port output (input 18-30 V) | 1000 mA |
| Max out per port output (input 30-57 V) | 450 mA |
| Max total out (A) | 20 A |
網路介面(Ethernet)
| 10/100/1000 Ethernet ports | 24 |
光纖介面(Fiber)
| SFP+ ports | 4 |
周邊介面(Peripherals)
| Serial console port | RJ45 |
其他(Other)
| CPU temperature monitor | Yes |
| Current Monitor | Yes |
| PCB temperature monitor | Yes |
| Voltage Monitor | Yes |
| Mode button | Yes |
原廠測試報告 (Performance Test Report)
| CRS328-24P-4S+RM | |||||||
|---|---|---|---|---|---|---|---|
| Mode | Configuration | 1518 byte | 512 byte | 64 byte | |||
| kpps | Mbps | kpps | Mbps | kpps | Mbps | ||
| Switching | Non blocking Layer 2 throughput | 5,201.6 | 63,167.8 | 15,037.6 | 61,594.0 | 95,238.1 | 48,761.9 |
| Switching | Non blocking Layer 2 capacity | 5,201.6 | 126,335.5 | 15,037.6 | 123,188.0 | 95,238.1 | 97,523.8 |
| Switching | Non blocking Layer 1 throughput | 5,201.6 | 64,000.0 | 15,037.6 | 64,000.0 | 95,238.1 | 64,000.0 |
| Switching | Non blocking Layer 1 capacity | 5,201.6 | 128,000.0 | 15,037.6 | 128,000.0 | 95,238.1 | 128,000.0 |
| CRS328-24P-4S+RM | 98DX3236 all port test | ||||||
| Mode | Configuration | 1518 byte | 512 byte | 64 byte | |||
| kpps | Mbps | kpps | Mbps | kpps | Mbps | ||
| Bridging | none (fast path) | 104,3 | 1266.6 | 273,5 | 1120.3 | 449 | 229.9 |
| Bridging | 25 bridge filter rules | 104 | 1263.0 | 104,6 | 428.4 | 104,5 | 53.5 |
| Routing | none (fast path) | 104,3 | 1266.6 | 273,9 | 1121.9 | 343,5 | 175.9 |
| Routing | 25 simple queues | 104,3 | 1266.6 | 136,9 | 560.7 | 137,4 | 70.3 |
| Routing | 25 ip filter rules | 64,8 | 786.9 | 65,9 | 269.9 | 65,8 | 33.7 |
- 所有測試均使用Xena Networks專用測試設備（XenaBay）完成，並根據RFC2544（Xena2544）進行
- 最大吞吐量透過 30 秒以上的嘗試確定，封包大小為 64、512、1518 byte，封包遺失容限為 0.1%
- 測試結果顯示設備的最大性能，並使用上述硬體和軟體配置達到，不同的配置很可能會導致較低的結果
該設備已預先安裝並獲得許可的作業系統。無需單獨購買，產品即可使用。該設備在產品生命週期內或自購買之日起至少 5 年內提供免費軟體更新。
