AL2012B44-E5 - Nortel Ethernet Switch 425-48T 48-Ports EN Fast EN 10Base-T 100Base-TX + 2x10/100/1000Base-T/SFP mini-GBIC uplink 1U Stackable

1. Ports: 48 x 10/100Base-TX + 2 x combo Gigabit SFP
2. Switching capacity: 17.6 Gbps
3. Forwarding rate: 13.1 Mpps
4. VLAN support: Yes
5. Quality of Service (QoS): Yes
6. Jumbo frame support: Yes
7. MAC address table size: 16,000 entries
8. Spanning Tree Protocol (STP) support: Yes
9. Link Aggregation Control Protocol (LACP) support: Yes
10. Power over Ethernet (PoE) support: No
11. Dimensions (WxDxH): 17.2 in x 14.5 in x 1.7 in
12. Weight: 11.02 lbs

Notes:
1. The switch is stackable, allowing for easy expansion of your network.
2. The combo Gigabit SFP ports provide flexibility for connecting to other network devices.
3. The switch supports advanced features such as VLANs and QoS, making it a versatile choice for enterprise networks.