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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Bay Networks DSDE 5430 Dual Sync Dual Ethernet Module Card P102279
Bay Networks
$60.00Was: $125.00Bay Networks DSDE 5430 Dual Sync Dual Ethernet Module Card P102279The Bay Networks DSDE 5430 is a Dual Synchronous, Dual Ethernet interface module card designed for use in Bay Networks modular chassis-based networking systems. The card provides two...19779- SKU:
- 19779
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 4.00 LBS
- Brand:
- Bay Networks
- Model:
- DSDE 5430
- MPN:
- P102279
- Type:
- Dual Synchronous Dual Ethernet Module Card
- SKU:
- 19779
- Condition:
- Used – Inspected and in Good Condition
- Form Factor:
- Card/Module
- Number of Ports:
- 4 (2 Synchronous, 2 Ethernet — DB15 connectors)
- Connector Type:
- DB15 (D-Sub 15-pin)
- Interface Type:
- Dual Synchronous Serial, Dual Ethernet
- Seller Notes:
- Module card only; no cables included.
- Country/Region of Manufacture:
- United States
- Compatible With:
- Bay Networks modular chassis / router systems
- Condition Notes:
- Bay Networks DSDE 5430 Dual Sync Dual Ethernet module (P102279) inspected and in good used condition. PCB clean, DB15 ports intact, normal wear. Please contact us with any questions.
$60.00Was: $125.00 -
Bay Networks SYS I/O 5010 Controller Interface Card P102937R05 Console Modem
Bay Networks
$60.00Was: $125.00Bay Networks SYS I/O 5010 Controller Interface Card P102937R05 Console Modem The Bay Networks SYS I/O 5010 is a controller interface card designed for use in Bay Networks chassis-based systems. Identified by part number P102937R05, this card provides...19778- SKU:
- 19778
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 3.00 LBS
- Brand:
- Bay Networks
- Model:
- SYS I/O 5010
- MPN:
- P102937R05
- Type:
- Controller Interface Card
- SKU:
- 19778
- Form Factor:
- Card / Module
- Interface Type:
- Console, Modem (x2), Printer
- Connector Type:
- DB-25 (Console, Printer), DB-9 (Modem1, Modem2)
- Number of Ports:
- 4 (1x Console, 2x Modem, 1x Printer)
- Condition:
- Used – Inspected and in Good Condition
- Seller Notes:
- Card only; no cables or accessories included.
- Country/Region of Manufacture:
- United States
- Condition Notes:
- Bay Networks SYS I/O 5010 Controller Interface Card (P102937R05) inspected and in good used condition. PCB clean, bracket intact, all ports undamaged. Card only, no cables. Contact us with questions.
$60.00Was: $125.00 -
Bay Networks 5431 ESAF-4 Dual Sync Ethernet Module BCN BLN P106741
Bay Networks
$100.00Was: $200.00Bay Networks 5431 ESAF-4 Dual Sync Ethernet Module BCN BLN P106741Dual synchronous Ethernet network module designed for Bay Networks BCN and BLN routers. Provides four ports for expanded connectivity in enterprise routing environments.Specifications...19777- SKU:
- 19777
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 4.00 LBS
- Brand:
- Bay Networks
- Model:
- 5431
- Secondary Model:
- ESAF-4
- MPN:
- P106741
- SKU:
- 19777
- Type:
- Dual Synchronous Ethernet Network Module
- Form Factor:
- Card / Module
- Compatible With:
- Bay Networks BCN Router
- Compatible With 2:
- Bay Networks BLN Router
- Number of Ports:
- 4 (2x XCVR, 2x COM)
- Connector Type 1:
- DB-15 (XCVR1, XCVR2)
- Connector Type 2:
- DB-25 (COM1, COM2)
- Interface Type:
- Synchronous Ethernet
- Condition:
- Used – Pulled from Working Environment
- Country/Region of Manufacture:
- United States
- Seller Notes:
- Module only; pulled from a working BCN/BLN router environment.
- Condition Notes:
- Bay Networks 5431 ESAF-4 Dual Sync Ethernet Module. Inspected, in good used condition. Pulled from a working BCN/BLN router environment. XCVR and COM ports intact. Normal wear. P/N P106741.
$100.00Was: $200.00 -
Wellfleet Bay Networks 21003 Access Node Communications Server 107913-01
Wellfleet
$75.00Was: $150.00Wellfleet Bay Networks 21003 Access Node Communications Server 107913-01The Wellfleet 21003 is a desktop-form-factor Access Node Communications Server designed for WAN connectivity and serial communications management. It was produced by Wellfleet...19747- SKU:
- 19747
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 14.00 LBS
- Brand:
- Wellfleet / Bay Networks
- Model:
- 21003
- MPN:
- 107913-01
- Secondary Model:
- 107913-01
- Type:
- Access Node Communications Server
- SKU:
- 19747
- Form Factor:
- Desktop
- Interface Type:
- Console, MAU, COM1, COM2, RLSD1, RLSD2
- Connector Types:
- DB9, DB25, MAU (AUI)
- Number of Ports:
- 6 (Console, MAU, COM1, COM2, RLSD1, RLSD2)
- Management Type:
- Console Managed
- Network Type:
- WAN Access Node
- Condition:
- Used – Inspected
- Seller Notes:
- Unit only; no accessories included.
- Country/Region of Manufacture:
- United States
- Condition Notes:
- Wellfleet Bay Networks 21003 Access Node Server, P/N 107913-01. Inspected and in good condition. Enclosure shows light typical wear. All rear ports appear intact. Unit only.
$75.00Was: $150.00 -
Bay Networks AE1101001 BayStack Access Node PN 111374 Rev H 19in Rackmount
Bay Networks
$75.00Was: $150.00Bay Networks AE1101001 BayStack Access Node PN 111374 Rev H 19in RackmountThe Bay Networks AE1101001 is a BayStack Access Node in a standard 19-inch, 2U rackmount chassis. Access nodes of this type served as concentration and aggregation points in campus...19744- SKU:
- 19744
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 14.00 LBS
- Brand:
- Bay Networks
- Model:
- AE1101001
- MPN:
- 111374
- Secondary Model:
- 111374 Rev H
- Type:
- Access Node
- SKU:
- 19744
- Hardware Revision:
- Rev H
- Form Factor:
- 19in Rackmount, 2U
- Power Requirements:
- 100-240V AC, 50-60Hz, 1.0-0.5A
- Country/Region of Manufacture:
- United States
- Interface Type:
- Console, MAU, COM1, COM2, RLSD1, RLSD2
- Connector Types:
- DB9 Console, DB25 COM1/COM2, DB25 RLSD1/RLSD2
- Management Type:
- Managed
- Certifications:
- UL, CE, GS, ITE Listed
- Condition:
- Used – Pulled from Working Environment
- Seller Notes:
- Unit only; no accessories included. Pulled from a working environment.
- Condition Notes:
- Bay Networks AE1101001 BayStack Access Node. Inspected, in good used condition. Pulled from a working environment where it was previously in service. Chassis intact; ports appear clean. Photos available.
$75.00Was: $150.00 -
Nortel Bay Networks CL1333001 Centillion 5000 2-Port OC-3 ATM MMF Module
Nortel / Bay Networks
$60.00Was: $125.00Nortel Bay Networks CL1333001 Centillion 5000 2-Port OC-3 ATM MMF ModuleA managed network interface module for the Centillion 5000 switch chassis. Provides two OC-3 (155 Mbps) ATM ports over multimode fiber for connecting high-speed backbone and WAN...19650- SKU:
- 19650
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 0.95 LBS
- Brand:
- Nortel
- Model:
- CL1333001
- MPN:
- CL1333001
- Secondary Model:
- 14 920-00714-A02
- Type:
- 2-Port OC-3 ATM Network Module
- SKU:
- 19650
- Compatible With:
- Nortel Bay Networks Centillion 5000
- Number of Ports:
- 2
- Port Type:
- OC-3 (MMF) — SC duplex fiber
- Interface Type:
- OC-3 / STM-1
- Data Rate:
- 155 Mbps
- Fiber Type:
- Multimode Fiber (MMF)
- Protocol:
- ATM (Asynchronous Transfer Mode)
- Chipset:
- PMC (2x PMC ATM controller ICs)
- Form Factor:
- Card / Module
- Management Type:
- Managed
- Seller Notes:
- Open-box module; no accessories included. Board only.
- Country/Region of Manufacture:
- Canada
- Condition Notes:
- Nortel CL1333001 Centillion 5000 OC-3 ATM module. Open-box — new from manufacturer, but may have been stored long-term or removed from original packaging. Board only, no accessories. Please contact us with any questions.
$60.00Was: $125.00 -
ADC Kentrox D-Serv DSU/CSU 78260 12-Slot Chassis w/ 8 Single Port T1 Cards
ADC Kentrox
$120.00Was: $250.00ADC Kentrox D-Serv DSU/CSU 78260 12-Slot Chassis w/ 8 Single Port T1 CardsT1 Data Service Unit/Channel Service Unit rackmount chassis for telecommunications and data networking. This 12-slot A/B power chassis contains 8 installed single-port T1 DSU/CSU...19369- SKU:
- 19369
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 23.00 LBS
- Brand:
- ADC Kentrox
- Model:
- 78260
- MPN:
- 01-78260002
- Secondary Model:
- D-Serv DSU/CSU
- Type:
- T1 DSU/CSU Rackmount Chassis with T1 Cards
- SKU:
- 19369
- Number of Slots:
- 12
- Number of Installed Cards:
- 8
- Card Model / Part Number:
- 1630 5812 A
- Card Type:
- Single Port T1 DSU/CSU Card
- Interface Type:
- T1
- Data Rate:
- 1.544 Mbps
- Connector Type:
- TxD, RxD, CTS, RTS (RS-232 serial interface)
- Power Requirements:
- 20-56V DC, 72W Max
- Form Factor:
- Rackmount, 19-inch
- Chassis Description:
- D-Serv 12-Slot A/B Power Chassis
- Regulatory Compliance:
- FCC Part 15, Industry Canada (ICES)
- Manufacture Date:
- 12/09/98 (per chassis label)
- Seller Notes:
- Includes 78260 12-slot chassis and 8 D-Serv single-port T1 DSU/CSU cards installed.
- Country/Region of Manufacture:
- Canada
- Condition:
- Used – Pulled from Working Environment
- Condition Notes:
- ADC Kentrox D-Serv DSU/CSU 78260 chassis with 8 single-port T1 cards. Inspected, in good used condition. Pulled from a working environment. Normal wear. All 8 cards installed.
$120.00Was: $250.00 -
David Systems 6103-01 ExpressNet 12-Slot Concentrator 6203-00 6312-00 10Base-T
David Systems
$200.00Was: $400.00David Systems 6103-01 ExpressNet 12-Slot Concentrator 6203-00 6312-00 10Base-TA 12-slot modular Ethernet concentrator hub designed for 10Base-T networks. This managed concentrator uses a supervisor module to control network traffic across installed port...18837- SKU:
- 18837
- Availability:
- Usually ships within 1–2 business days.
- Weight:
- 46.00 LBS
- Brand:
- David Systems
- Model:
- 6103-01
- MPN:
- 6103-01
- Secondary Model:
- 6103
- Type:
- Modular Ethernet Concentrator / Hub
- SKU:
- 18837
- Number of Slots:
- 12
- Installed Modules:
- 1x 6203-00 Supervisor, 5x 6312-00 10Base-T
- Supervisor Module:
- David Systems 6203-00 (Rev. F, P/N 0500042129)
- 10Base-T Module:
- David Systems 6312-00 (Rev. D, P/N 0500002773)
- Number of 10Base-T Modules:
- 5
- Network Standard:
- 10Base-T (IEEE 802.3)
- Data Rate:
- 10 Mbps
- Connector Type:
- RJ-45 (10Base-T), AUI
- Hardware Revision:
- Rev. D (chassis)
- Form Factor:
- Rackmount / Tabletop
- Management Type:
- Managed (via Supervisor Module)
- Condition:
- Used – Pulled from Working Environment
- Seller Notes:
- Includes 1x 6203-00 Supervisor Module and 5x 6312-00 10Base-T Modules installed
- Country/Region of Manufacture:
- United States
- Condition Notes:
- David Systems 6103-01 ExpressNet 12-Slot Concentrator inspected and in good used condition. Pulled from a working environment. Includes 6203-00 Supervisor and five 6312-00 10Base-T modules.
$200.00Was: $400.00