$175 or best offer!
Adtran NetVanta 1531P 1700571F1
12-Port Layer 3 Gigabit PoE Switch
Includes Brackets for rack-mounting

Technical Specifications for 1700571F1
General Information
Manufacturer Part Number 1700571F1
Brand Name Adtran
Product Type Layer 3 Switch
Total Number of Network Ports 10
Uplink Port No
Stack Port No
Port/Expansion Slot Details 10 x Gigabit Ethernet Network
2 x Gigabit Ethernet Expansion Slot
Media & Performance
Media Type Supported Twisted Pair
Optical Fiber
Ethernet Technology Gigabit Ethernet
Network Technology 10/100/1000Base-TX
I/O Expansions
Number of Total Expansion Slots 2
Expansion Slot Type SFP
Shared SFP Slot No
Number of SFP Slots 2
Network & Communication
Layer Supported 3
Management & Protocols
Manageable Yes
Power Description
Power Source Power Supply
Physical Characteristics
Compatible Rack Unit 1U
Form Factor Rack-mountable
Wall Mountable
Height 1.7″
Width 11.1″
Depth 8.4″
Weight (Approximate) 4 lb

General Information
1700571F1 Adtran NetVanta 1531P 12-Port PoE Layer 3 Lite Gigabit Ethernet Switch with 2x SFP Ports (used and tested)

$549 new and I see them for $160 to $229 used without brackets.

Used AdTran NetVista 1531P for sale