Switches and Hubs
Switches and Hubs represent networking devices used to connect multiple devices in a local area network (LAN). Hubs operate at the physical layer of the OSI model, allowing devices to communicate with each other by forwarding data packets to all connected devices. On the other hand, Switches operate at the data link layer, ensuring efficient data transmission by forwarding packets only to the intended recipient. Switches and Hubs play a crucial role in creating a reliable and secure network infrastructure, improving overall network performance and speed. These devices are essential in managing network traffic, enhancing connectivity, and facilitating seamless communication between devices.
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Adtran ISU 128 Multiplextor 1202029LK2
Adtran
$236.00Was: $500.00Adtran ISU 128 Multiplextor 1202029LK2 Condition: UsedPlease view our photo set and contact us if you have any questions about the condition of this item.14850- SKU:
- 14850
- Weight:
- 22.00 LBS
$236.00Was: $500.00 -
Adtran DSU II AR Adtran DSU II AR - J131C - RS-232 Port and 1 Telco Port - AS IS
Adtran
$22.90Was: $55.00Adtran DSU II AR Adtran DSU II AR - J131C - RS-232 Port and 1 Telco Port - AS IS Features: Primary V.35 Secure Channel RS-232 Port 1 Telco Port Power On test only. Condition: For Parts or Not WorkingThis DSU is being sold in As-Is condition and...15019- SKU:
- 15019
- Weight:
- 5.00 LBS
$22.90Was: $55.00 -
Adtran 1200.019L1 Local Bus NT1 ACE ISDN Network Termination - Untested - As Is
Adtran
$21.20Was: $55.00Adtran 1200.019L1 Local Bus NT1 ACE ISDN Network Termination - Untested - As Is Condition: For Parts or Not WorkingThis used PBX accessory is being sold in As-Is condition as we are unable to test at our facility. Please review description and...16511- SKU:
- 16511
- Weight:
- 2.00 LBS
$21.20Was: $55.00