| General |
| Label | 2920-48G Switch |
| Status | R4 |
| Device Type | Switch - 48 ports - L3 - Managed - stackable |
| Enclosure Type | Rack-mountable 1U |
| Subtype | Gigabit Ethernet |
| Ports | 44 x 10/100/1000 + 4 x combo Gigabit SFP |
| Performance | Throughput: 130.9 Mpps
Switching capacity: 176 Gbps |
| Capacity | IPv4 routing table entries: 2048
IPv6 routing table entries: 256 |
| MAC Address Table Size | 16000 entries |
| Routing Protocol | RIP, IGMP, static IP routing, MLD |
| Remote Management Protocol | SNMP 1, RMON 1, RMON 2, RMON 3, RMON 9, Telnet, SNMP 3, SNMP 2c, HTTP, HTTPS, TFTP, SMON, SSH, SSH-2, CLI |
| Encryption Algorithm | SSL, TLS |
| Authentication Method | RADIUS, PAP, CHAP, TACACS, TACACS+, Extensible Authentication Protocol (EAP) |
| Features | Flow control, BOOTP support, ARP support, DoS attack prevention, IPv6 support, half duplex mode, full duplex mode, sFlow, RADIUS support, Uni-Directional Link Detection (UDLD), Link Aggregation Control Protocol (LACP), Energy Efficient Ethernet, Class of Service (CoS) |
| Compliant Standards | IEEE 802.3, IEEE 802.3u, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3af, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1s, IEEE 802.1v, IEEE 802.3az, IEEE 802.1AX |
| Processor | 1 x ARM ARM1176: 625 MHz |
| Flash Memory | 1 GB |
| Expansion / Connectivity |
| Interfaces | 48 x 10Base-T/100Base-TX/1000Base-T - RJ-45
4 x SFP (mini-GBIC)
1 x management (RS-232) RJ-45
1 x management (mini-USB) Type B
Management: 1 x 4 pin USB Type A |
| Expansion Slots | 2 (total) / 2 (free) x Expansion Slot
1 (total) / 1 (free) x Stacking Module |
| Power |
| Power Device | Internal power supply |
| Voltage Required | AC 120/230 V (50/60 Hz) |
| 80 PLUS Certification | 80 PLUS Silver |
| Miscellaneous |
| Compliant Standards | C-Tick, GOST, CISPR 24, IEC 61000-3-2, IEC 61000-3-3, IEC 61000-4-11, IEC 61000-4-2, IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-6, IEC 61000-4-8, EN55024, FCC Part 15 B, ICES-003 Class A, RoHS, EN 60950-1, IEC 60825-1, EN 60825-1, IEC 60950-1 Second Edition, VCCI Class A, EN 55022 Class A |
| Dimensions & Weight |
| Width | 44.25 cm |
| Depth | 33.6 cm |
| Height | 4.45 cm |
| Weight | 5.42 kg |
| Environmental Parameters |
| Min Operating Temperature | 0 °C |
| Max Operating Temperature | 55 °C |
| Humidity Range Operating | 15 - 95% (non-condensing) |
| Min Storage Temperature | -40 °C |
| Max Storage Temperature | 70 °C |
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