Cisco WS-C1912-A | Catalyst 1900 Series 1912 12 x RJ-45 Ports 10Base-T Managed Rack-mountable Gigabit Ethernet Network Switch

1. Switching capacity: 1.2 Gbps
2. MAC address table size: 8K entries
3. VLAN support: Yes (up to 64 VLANs)
4. QoS support: Yes (4 priority levels)
5. Management interface: Console port (RJ-45)
6. Management protocols: SNMP, Telnet, RMON, HTTP
7. Power supply: Internal, AC 110/220V
8. Dimensions (HxWxD): 1.7 x 17.5 x 8.5 inches
9. Weight: 6.6 lbs
10. Operating temperature: 32°F to 113°F
11. Operating humidity: 10% to 85% non-condensing
12. Rack-mount kit included: Yes

Helpful notes:
1. The WS-C1912-A is a legacy switch and may not support modern networking standards.
2. The switch can be configured using the Cisco Network Assistant software.
3. The switch supports Spanning Tree Protocol (STP) to prevent network loops.