Uyển chuyển | Sự đơn giản | Hiệu suất | Bảo vệ |
Nhận 8 đến 48 cổng kết nối Gigabit Ethernet, liên kết lên GE hoặc 10-GE và hỗ trợ PoE +. | Cắm và chạy với các thiết bị thoại, không dây, dữ liệu, video và kết nối mạng hiện có. | Cung cấp kết nối cáp quang bổ sung cho băng thông đường uplink cao hơn và các tùy chọn mở rộng với ngân sách cấp nguồn PoE nhiều hơn. | Bảo mật tích hợp giúp ngăn chặn truy cập trái phép và bảo vệ dữ liệu kinh doanh của bạn. |
Mã | Capacity in millions of packets per second (mpps) (64-byte packets) | Switching capacity in gigabits per second (Gbps) |
CBS250-8T-E-2G | 14.88 | 20 |
CBS250-8PP-E-2G | 14.88 | 20 |
CBS250-8P-E-2G | 14.88 | 20 |
CBS250-8FP-E-2G | 14.88 | 20 |
CBS250-16T-2G | 26.78 | 36 |
CBS250-16P-2G | 26.78 | 36 |
CBS250-24T-4G | 41.66 | 56 |
CBS250-24PP-4G | 41.66 | 56 |
CBS250-24P-4G | 41.66 | 56 |
CBS250-24FP-4G | 41.66 | 56 |
CBS250-48T-4G | 77.38 | 104 |
CBS250-48PP-4G | 77.38 | 104 |
CBS250-48P-4G | 77.38 | 104 |
CBS250-24T-4X | 95.23 | 128 |
CBS250-24P-4X | 95.23 | 128 |
CBS250-24FP-4X | 95.23 | 128 |
CBS250-48T-4X | 130.94 | 176 |
CBS250-48P-4X | 130.94 | 176 |
Mã | Power dedicated to PoE | Number of ports that support PoE |
CBS250-8PP-E-2G | 45W | 8 |
CBS250-8P-E-2G | 67W | 8 |
CBS250-8FP-E-2G | 120W | 8 |
CBS250-16P-2G | 120W | 16 |
CBS250-24PP-4G | 100W | 24 |
CBS250-24P-4G | 195W | 24 |
CBS250-24FP-4G | 370W | 24 |
CBS250-48PP-4G | 195W | 48 |
CBS250-48P-4G | 370W | 48 |
CBS250-24P-4X | 195W | 24 |
CBS250-24FP-4X | 370W | 24 |
CBS250-48P-4X | 370W | 48 |
Mã | Total system ports | RJ-45 ports | Combo ports (RJ-45 + SFP) |
CBS250-8T-E-2G | 10 Gigabit Ethernet | 8 Gigabit Ethernet | 2 Gigabit Ethernet combo |
CBS250-8PP-E-2G | 10 Gigabit Ethernet | 8 Gigabit Ethernet | 2 Gigabit Ethernet combo |
CBS250-8P-E-2G | 10 Gigabit Ethernet | 8 Gigabit Ethernet | 2 Gigabit Ethernet combo |
CBS250-8FP-E-2G | 10 Gigabit Ethernet | 8 Gigabit Ethernet | 2 Gigabit Ethernet combo |
CBS250-16T-2G | 18 Gigabit Ethernet | 16 Gigabit Ethernet | 2 Small Form-Factor Pluggable (SFP) |
CBS250-16P-2G | 18 Gigabit Ethernet | 16 Gigabit Ethernet | 2 SFP |
CBS250-24T-4G | 28 Gigabit Ethernet | 24 Gigabit Ethernet | 4 SFP |
CBS250-24PP-4G | 28 Gigabit Ethernet | 24 Gigabit Ethernet | 4 SFP |
CBS250-24P-4G | 28 Gigabit Ethernet | 24 Gigabit Ethernet | 4 SFP |
CBS250-24FP-4G | 28 Gigabit Ethernet | 24 Gigabit Ethernet | 4 SFP |
CBS250-48T-4G | 52 Gigabit Ethernet | 48 Gigabit Ethernet | 4 SFP |
CBS250-48PP-4G | 52 Gigabit Ethernet | 48 Gigabit Ethernet | 4 SFP |
CBS250-48P-4G | 52 Gigabit Ethernet | 48 Gigabit Ethernet | 4 SFP |
CBS250-24T-4X | 24 Gigabit Ethernet + | 24 Gigabit Ethernet | 4 SFP+ |
4 10 Gigabit Ethernet | |||
CBS250-24P-4X | 24 Gigabit Ethernet + | 24 Gigabit Ethernet | 4 SFP+ |
4 10 Gigabit Ethernet | |||
CBS250-24FP-4X | 24 Gigabit Ethernet + | 24 Gigabit Ethernet | 4 SFP+ |
4 10 Gigabit Ethernet | |||
CBS250-48T-4X | 48 Gigabit Ethernet + | 48 Gigabit Ethernet | 4 SFP+ |
4 10 Gigabit Ethernet | |||
CBS250-48P-4X | 48 Gigabit Ethernet + | 48 Gigabit Ethernet | 4 SFP+ |
4 10 Gigabit Ethernet |
Mã | Packet buffer |
CBS250-8T-E-2G | 1.5 MB |
CBS250-8PP-E-2G | 1.5 MB |
CBS250-8P-E-2G | 1.5 MB |
CBS250-8FP-E-2G | 1.5 MB |
CBS250-16T-2G | 1.5 MB |
CBS250-16P-2G | 1.5 MB |
CBS250-24T-4G | 1.5 MB |
CBS250-24PP-4G | 1.5 MB |
CBS250-24P-4G | 1.5 MB |
CBS250-24FP-4G | 1.5 MB |
CBS250-48T-4G | 3 MB |
CBS250-48PP-4G | 3 MB |
CBS250-48P-4G | 3 MB |
CBS250-24T-4X | 1.5 MB |
CBS250-24P-4X | 1.5 MB |
CBS250-24FP-4X | 1.5 MB |
CBS250-48T-4X | 3 MB |
CBS250-48P-4X | 3 MB |
Mã | Unit dimensions |
CBS250-8T-E-2G | 268 x 185 x 44 mm (10.56 x 7.28 x 1.73 in) |
CBS250-8PP-E-2G | 268 x 185 x 44 mm (10.56 x 7.28 x 1.73 in) |
CBS250-8P-E-2G | 268 x 185 x 44 mm (10.56 x 7.28 x 1.73 in) |
CBS250-8FP-E-2G | 268 x 185 x 44 mm (10.56 x 7.28 x 1.73 in) |
CBS250-16T-2G | 268 x 272 x 44 mm (10.56 x 10.69 x 1.73 in) |
CBS250-16P-2G | 268 x 297 x 44 mm (10.56 x 11.69 x 1.73 in) |
CBS250-24T-4G | 445 x 240 x 44 mm (17.5 x 9.45 x 1.73 in) |
CBS250-24PP-4G | 445 x 299 x 44 mm (17.5 x 11.76 x 1.73 in) |
CBS250-24P-4G | 445 x 299 x 44 mm (17.5 x 11.76 x 1.73 in) |
CBS250-24FP-4G | 445 x 345 x 44 mm (17.5 x 13.59 x 1.73 in) |
CBS250-48T-4G | 445 x 273 x 44 mm (17.5 x 10.73 x 1.73 in) |
CBS250-48PP-4G | 445 x 350 x 44 mm (17.5 x 13.78 x 1.73 in) |
CBS250-48P-4G | 445 x 350 x 44 mm (17.5 x 13.78 x 1.73 in) |
CBS250-24T-4X | 445 x 240 x 44 mm (17.5 x 9.45 x 1.73 in) |
CBS250-24P-4X | 445 x 299 x 44 mm (17.5 x 11.76 x 1.73 in) |
CBS250-24FP-4X | 445 x 345 x 44 mm (17.5 x 13.59 x 1.73 in) |
CBS250-48T-4X | 445 x 273 x 44 mm (17.5 x 10.73 x 1.73 in) |
CBS250-48P-4X | 445 x 350 x 44 mm (17.5 x 13.78 x 1.73 in) |
Mã | Unit weight |
CBS250-8T-E-2G | 1.7 kg (3.75 lb) |
CBS250-8PP-E-2G | 3.5 kg (7.72 lb) |
CBS250-8P-E-2G | 3.5 kg (7.72 lb) |
CBS250-8FP-E-2G | 3.5 kg (7.72 lb) |
CBS250-16T-2G | 1.78 kg (3.92 lb) |
CBS250-16P-2G | 2.38 kg (5.25 lb) |
CBS250-24T-4G | 2.63 kg (5.80 lb) |
CBS250-24PP-4G | 3.53 kg (7.78 lb) |
CBS250-24P-4G | 3.53 kg (7.78 lb) |
CBS250-24FP-4G | 4.6 kg (10.14 lb) |
CBS250-48T-4G | 3.95 kg (8.71 lb) |
CBS250-48PP-4G | 5.43 kg (11.97 lb) |
CBS250-48P-4G | 5.43 kg (11.97 lb) |
CBS250-24T-4X | 2.78 kg (6.13 lb) |
CBS250-24P-4X | 3.68 kg (8.11 lb) |
CBS250-24FP-4X | 4.6 kg (10.14 lb) |
CBS250-48T-4X | 3.95 kg (8.71 lb) |
CBS250-48P-4X | 5.43 kg (11.97 lb) |
Jumbo frames | Frame sizes up to 9K bytes. The default MTU is 2K bytes |
MAC table | 8K addresses |
Link Layer Discovery Protocol (LLDP) (802.1ab) with LLDP-MED extensions | Link Layer Discovery Protocol (LLDP) allows the switch to advertise its identification, configuration, and capabilities to neighboring devices that store the data in a MIB. LLDP-MED is an enhancement to LLDP that adds the extensions needed for IP phones |
Cisco Discovery Protocol | The switch advertises itself using the Cisco Discovery Protocol. It also learns the connected device and its characteristics using Cisco Discovery Protocol |
Power over Ethernet (PoE) | 802.3at PoE+ and 802.3af PoE delivered over any of the RJ-45 ports within the listed power budgets |
The following switches support 802.3at PoE+, 802.3af, and Cisco prestandard (legacy) PoE. Maximum power of 30.0W to any 10/100 or Gigabit Ethernet port, until the PoE budget for the switch is reached. The total power available for PoE per switch | |
Console port | Cisco Standard mini USB Type-B / RJ45 console port |
USB slot | USB Type-A slot on the front panel of the switch for easy file and image management |
Buttons | Reset button |
Cabling type | Unshielded Twisted Pair (UTP) Category 5e or better for 1000BASE-T |
LEDs | System, Link/Act, PoE, Speed |
Flash | 256 MB |
CPU | 800 MHz ARM |
CPU memory | 512 MB |
Packet buffer | All numbers are aggregate across all ports because the buffers are dynamically shared |
Power | 100 to 240V 50 to 60 Hz, internal, universal: CBS250-16T-2G, CBS250-16P-2G, CBS250-24T-4G, CBS250-24PP-4G, CBS250-24P-4G, CBS250-24FP-4G, CBS250-48T-4G, CBS250-48PP-4G, CBS250-48P-4G, CBS250-24T-4X, CBS250-24P-4X, CBS250-24FP-4X, CBS250-48T-4X, CBS250-48P-4X |
100 to 240V 50 to 60 Hz, external: CBS250-8T-E-2G, CBS250-8PP-E-2G, CBS250-8P-E-2G, CBS250-8FP-E-2G | |
Certification | UL (UL 60950), CSA (CSA 22.2), CE mark, FCC Part 15 (CFR 47) Class A |
Operating temperature | 23° to 122°F (-5° to 50°C) |
Storage temperature | -13° to 158°F (-25° to 70°C) |
Operating humidity | 10% to 90%, relative, noncondensing |
Storage humidity | 10% to 90%, relative, noncondensing |
Gigabit Ethernet with module quang 1Gb Uplinks | ||
CBS250-8T-E-2G | CBS250-8T-E-2G-EU |
● 8 10/100/1000 ports
|
● 2 Gigabit copper/SFP combo ports
|
||
CBS250-8PP-E-2G | CBS250-8PP-E-2G-EU |
● 8 10/100/1000 PoE+ ports with 45W power budget
|
● 2 Gigabit copper/SFP combo ports
|
||
CBS250-8P-E-2G | CBS250-8P-E-2G-EU |
● 8 10/100/1000 PoE+ ports with 67W power budget
|
● 2 Gigabit copper/SFP combo ports
|
||
CBS250-8FP-E-2G | CBS250-8FP-E-2G-EU |
● 8 10/100/1000 PoE+ ports with 120W power budget
|
● 2 Gigabit copper/SFP combo ports
|
||
CBS250-16T-2G | CBS250-16T-2G-EU |
● 16 10/100/1000 ports
|
● 2 Gigabit SFP
|
||
CBS250-16P-2G | CBS250-16P-2G-EU |
● 16 10/100/1000 PoE+ ports with 120W power budget
|
● 2 Gigabit SFP
|
||
CBS250-24T-4G | CBS250-24T-4G-EU |
● 24 10/100/1000 ports
|
● 4 Gigabit SFP
|
||
CBS250-24PP-4G | CBS250-24PP-4G-EU |
● 24 10/100/1000 PoE+ ports with 100W power budget
|
● 4 Gigabit SFP
|
||
CBS250-24P-4G | CBS250-24P-4G-EU |
● 24 10/100/1000 PoE+ ports with 195W power budget
|
● 4 Gigabit SFP
|
||
CBS250-24FP-4G | CBS250-24FP-4G-EU |
● 24 10/100/1000 PoE+ ports with 370W power budget
|
● 4 Gigabit SFP
|
||
CBS250-48T-4G | CBS250-48T-4G-EU |
● 48 10/100/1000 ports
|
● 4 Gigabit SFP
|
||
CBS250-48PP-4G | CBS250-48PP-4G-EU |
● 48 10/100/1000 PoE+ ports with 195W power budget
|
● 4 Gigabit SFP
|
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CBS250-48P-4G | CBS250-48P-4G-EU |
● 48 10/100/1000 PoE+ ports with 370W power budget
|
● 4 Gigabit SFP
|
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Gigabit Ethernet with module quang 10Gb Uplinks | ||
CBS250-24T-4X | CBS250-24T-4X-EU |
● 24 10/100/1000 ports
|
● 4 10 Gigabit SFP+
|
||
CBS250-24P-4X | CBS250-24P-4X-EU |
● 24 10/100/1000 PoE+ ports with 195W power budget
|
● 4 10 Gigabit SFP+
|
||
CBS250-24FP-4X | CBS250-24FP-4X-EU |
● 24 10/100/1000 PoE+ ports with 370W power budget
|
● 4 10 Gigabit SFP+
|
||
CBS250-48T-4X | CBS250-48T-4X-EU |
● 48 10/100/1000 ports
|
● 4 10 Gigabit SFP+
|
||
CBS250-48P-4X | CBS250-48P-4X-EU |
● 48 10/100/1000 PoE+ ports with 370W power budget
|
● 4 10 Gigabit SFP+
|