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Общая информация (J9981A)
HPE OfficeConnect 1820 Series switches are basic Gigabit web managed "smart" Layer 2 switches supporting Virtual LANs (VLANs) and Link Aggregation, designed for small businesses looking for key features in an easy to administer solution. This J9981A has 48 x 10/100/1000 ports and four non combo 1000/100 SFP ports for fiber connectivity. Part of the OfficeConnect portfolio of small business networking products from Hewlett Packard Enterprise.
Быстрые спецификации
На рисунке 1 показан внешний вид HPE J9981A.
Таблица 1 показывает быстрые спецификации.
|
Product Code |
J9981A |
|
Type |
HPE 1820-48G Switch |
|
Ports |
· 48 RJ-45 autosensing 10/100/1000 ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T); Duplex: 10BASE-T/100BASE-TX: halffull; 1000BASE-T: full only · 4 SFP 100/1000 Mbps ports (IEEE 802.3z Type 1000BASE-X, IEEE 802.3u Type 100BASE-FX) Supports a maximum of 48 autosensing 10/100/1000 ports plus 4 SFP ports |
|
Throughput: |
Up to 77.3 Mp/s (64-byte packets) |
|
Switching capacity |
104 Gb/s |
|
Minimum dimensions (W x D x H) |
44.25 x 24.61 x 4.39 cm (17.42 x 9.69 x 1.73 in) (1U height) |
|
Weight |
3.31 kg (7.3 lb) |
Детали продукта
На рисунке 2 показана передняя панель HPE J9981A.
Note:
|
? |
Power and Fault/Locator LEDs |
|
? |
Reset button |
|
? |
48 × 10/100/1000BASE-T RJ-45 ports |
|
? |
4 × SFP slots |
Сравнить похожие товары
В таблице 2 показано сравнение.
|
Product Code |
J9981A |
J9983A |
J9984A |
|
Type |
HPE 1820-48G Switch |
HPE 1820-24G-PoE+ (185W) Switch |
HPE 1820-48G-PoE+ (370W) Switch |
|
Throughput |
Up to 77.3 Mp/s (64-byte packets) |
Up to 38.6 Mp/s (64-byte packets) |
Up to 77.3 Mp/s (64-byte packets) |
|
Switching capacity |
104 Gb/s |
52 Gb/s |
104 Gb/s
|
|
PoE capability |
N/A |
185 W |
370 W |
Что бы получить больше информации
У вас есть какие-либо вопросы о J9981A?
Свяжитесь с нами через ЧАТ или e-mail: info@itg-spb.ru.
| Specification | |
| Denial of service protection | CPU DoS Protection |
| General protocols | IEEE 802.1D Spanning Tree Protocol IEEE 802.1p Priority IEEE 802.1Q VLANs IEEE 802.1W Rapid Spanning Tree Protocol IEEE 802.3ad Link Aggregation Control Protocol (LACP) IEEE 802.3x Flow Control RFC 1534 DHCP/BOOTP Interoperation RFC 2030 Simple Network Time Protocol (SNTP) v4 |
| Voltage | 100 - 127 / 200 - 240 V ac, rated (depending on power supply chosen) |
| Current | 0.8/0.5 A |
| Idle power | 28.8 W |
| Maximum power rating | 39 W |
| PoE power | - |
| Nonoperating/Storage temperature | -40° to 70°C (-40° to 158°F) |
| Nonoperating/Storage relative humidity | 15% to 95% @ 60°C (140°F) |
| Acoustic | Power: 0 dB no fan |
| I/O ports and slots | · 48 RJ-45 autosensing 10/100/1000 ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T); Duplex: 10BASE-T/100BASE-TX: half or full; 1000BASE-T: full only · 4 SFP 100/1000 Mbps ports (IEEE 802.3z Type 1000BASE-X, IEEE 802.3u Type 100BASE-FX) Supports a maximum of 48 autosensing 10/100/1000 ports plus 4 SFP ports |
| Memory and processor | ARM Cortex-A9 @ 400 MHz, 128MB SDRAM; Packet buffer size: 1.5MB, 16MB flash |
| Emissions | FCC Class A; EN 55022/CISPR-22 Class A; VCCI Class A F |
| Dimensions (W x D x H) | 44.25 x 24.61 x 4.39 cm (17.42 x 9.69 x 1.73 in) (1U height) |
| Network management | IEEE 802.1AB Link Layer Discovery Protocol (LLDP) |
| Operating temperature | 0° to 40°C (32° to 104°F) |
| Immunity | Generic: EN 55024, CISPR 24 EN: EN 55024, CISPR 24 ESD: IEC 61000-4-2 Radiated: IEC 61000-4-3 EFT/Burst: IEC 61000-4-4 Surge: IEC 61000-4-5 Conducted: IEC 61000-4-6 Power frequency magnetic field: IEC 61000-4-8 Voltage dips and interruptions: IEC 61000-4-11 Harmonics: EN 61000-3-2, IEC 61000-3-2 Flicker: EN 61000-3-3, IEC 61000-3-3 |
| Altitude | Up to 3 km (9,842 ft) |
| Frequency | 50/60 Hz |
| Management | Web browser |
| Safety | UL 60950-1; EN 60825; IEC 60950-1; EN 60950-1; CAN/CSA-C22.2 No. 60950-1 |
| Type | HPE 1820-48G Switch |
| Performance | 100 Mb Latency: <7 µs (LIFO 64-byte packets) 1000 Mb Latency: <2 µs (LIFO 64-byte packets) Throughput: Up to 77.3 Mp/s (64-byte packets) Switching capacity: 104 Gb/s MAC address table size: 16000 entries |
| Operating relative humidity | 15% to 95% @ 40°C (104°F) |
| Weight | 3.31 kg (7.3 lb) |
| Reliability | MTBF (years): 61.73 |
Теги: J9981A HPE