| Form factor | 1U rack mount |
| Ports | - 24x Gigabit Ethernet (GbE) RJ-45 fixed ports
- 4x SFP/SFP+ ports
|
| SFP/SFP+ media types | 10 Gb Ethernet SFP+:- 10 GbE short-range (SR) SFP+ transceivers
- 10 GbE long-range (LR) SFP+ transceivers
- 10 GbE RJ-45 SFP+ transceivers
- 10 GbE SFP+ direct attach copper (DAC) cables
1/10 Gb Ethernet SFP+:- 1/10 GbE SX/SR SFP+ transceivers
1 Gb Ethernet SFP:- 1 GbE short-wavelength (SX) SFP transceivers
- 1 GbE long-wavelength (LX) SFP transceivers
- 1 GbE RJ-45 SFP transceivers
|
| Port speeds | - 1 GbE RJ-45 fixed ports: 10/100/1000 Mbps autosensing
- 10 GbE SFP+ transceivers: 10 Gbps
- 1/10 GbE SFP+ transceivers: 1 Gbps or 10 Gbps
- 1 GbE SFP transceivers: 1 Gbps
|
| Switching method | Cut-through. |
| Data traffic types | Unicast, multicast, broadcast. |
| Software features | Lenovo Networking OS: Layer 2 switching, virtual local area networks (VLANs), VLAN tagging, spanning tree protocol (STP), link aggregation (trunk) groups (LAGs), virtual LAGs (vLAGs), Hot Links, Layer 2 failover, quality of service (QoS), IP v4 management, IP v6 management. |
| Performance | Non-blocking architecture with wire-speed forwarding of traffic:- Up to 128 Gbps aggregated throughput
- As low as 3.3 microseconds switching latency
- Up to 96 Million packets per second (Mpps)
- Up to 12,288-byte jumbo frames
|
| Scalability | - MAC address forwarding database entries: 8,000
- VLANs: 4,095 (512 active VLANs)
- Per VLAN Rapid Spanning Tree (PVRST) instances: 128
- Multiple STP (MSTP) instances: 32
- Link aggregation groups: 16
- Ports in a link aggregation group: 8
|
| Cooling | Three 2+1 redundant fixed fans. Rear (non-port side) to front (port side) airflow. |
| Power supply | One fixed 90 W AC (100 - 240 V) power supply (IEC 320-C14 connector). Optional external power supply unit (PSU) is available for redundancy (one PSU with 4x 90 W DC output for up to four G7028 or G7052 switches). |
| Hot-swap parts | SFP/SFP+ transceivers, SFP+ DAC cables. |
| Management ports | 1x 10/100/1000 Mb Ethernet port (RJ-45); 1x RS-232 port (RJ-45); 1x USB port (for additional firmware, log, and configuration files storage). |
| Management interfaces | Industry standard command line interface (isCLI); SNMP v1 and v3. Optional Lenovo XClarity for discovery, inventory, monitoring and events. |
| Security features | Secure Shell (SSH); Secure Copy (SCP); Secure FTP (sFTP); user level security, Role-based Access Control (RBAC); LDAP/LDAPS, RADIUS, and TACACS+ authentication; access control lists (ACLs); port-based network access control (IEEE 802.1x). |
| Hardware warranty | Three-year customer-replaceable unit and onsite limited warranty with 9x5 next business day terms. Optional warranty service upgrades are available through Lenovo: 24x7 coverage, 2-hour or 4-hour response time, 1-year or 2-year warranty extensions, 1-year or 3-year Remote Technical Support (RTS). |
| Software maintenance | Three-year software support and subscription is included in the base warranty. Optional 1-year and 2-year warranty extensions include software support and subscription. |
| Mean Time Between Failures | 128,407 hours with ambient operating temperature of 40° C |
| Dimensions | Height: 44 mm (1.7 in.); width: 439 mm (17.3 in.); depth: 382 mm (15.0 in.) |
| Weight | 5.3 kg (11.7 lb). |
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