Bay Networks

Bay Networks SYNC 5280 Quad Port Synchronous Serial Network Plug-In Card

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SKU:
19780
MPN:
5280
Condition:
Used
Availability:
Usually ships within 1-2 business days.
Weight:
3.00 LBS
Shipping:
Calculated at Checkout
  • Bay Networks SYNC 5280 Quad Port Sync Serial Card – top-down front view showing PCB with four DB-25 serial connectors on front bracket
  • Bay Networks SYNC 5280 – reverse side of PCB showing ICs, memory chips, and edge connector; 'Bay Networks Communications' silkscreen visible at bottom
  • Bay Networks SYNC 5280 – close-up of front bracket showing 'SYNC 5280' label stamped on metal faceplate with captive thumbscrew
$75.00
Was: $150.00
Current Stock: 5

Sold Out

Description

Bay Networks SYNC 5280 Quad Port Synchronous Serial Network Plug-In Card

A four-port synchronous serial network interface card designed for Bay Networks routers and access platforms. Provides four independent DB-25 serial connections for synchronous data transmission.

Specifications & What's Included

  • Model: SYNC 5280
  • Ports: 4 synchronous serial
  • Connectors: DB-25 (front-panel)
  • Form Factor: Plug-in card module
  • Manufacturer: Bay Networks, USA
  • Board only; no cables or accessories included

Applications

This card was used in Bay Networks routing and access platforms to add synchronous serial connectivity for WAN links, frame relay connections, and point-to-point data circuits. The SYNC 5280 supported standard synchronous serial protocols and was commonly deployed in enterprise networks during the 1990s and 2000s for connecting remote sites and managing dedicated data connections.

Condition: Used
This Bay Networks SYNC 5280 Quad Port Synchronous Serial plug-in card has been inspected and is in good used condition. It was pulled from a working environment where it was actively in use. The PCB appears clean with no obvious physical damage; the front bracket and four serial connectors show light wear consistent with normal service use. Please view our photo set and contact us if you have any questions. Please note: We have multiple units in stock — yours may not be the one shown in the photos, however, it will be similar in condition and function.
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Warranty Information

We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
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Additional Information

Brand:
Bay Networks
Model:
SYNC 5280
MPN:
SYNC 5280
Type:
Quad Port Synchronous Serial Network Plug-In Card
SKU:
19780
Number of Ports:
4
Interface Type:
Synchronous Serial
Form Factor:
Plug-In Card / Module
Connector Type:
DB-25 (4x front-panel serial connectors)
Compatible With:
Bay Networks routers and access platforms
Condition:
Used – Pulled from Working Environment
Seller Notes:
Board only; no cables or accessories included.
Country/Region of Manufacture:
United States
Condition Notes:
Bay Networks SYNC 5280 Quad Port Sync Serial card inspected and in good used condition. Pulled from a working environment where it was in active use. No visible damage. Board only.
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