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American Technology Labs 5620 Two Channel CSU/DSU Pacific Bell DTE American Technology Labs 5620 Two Channel CSU/DSU Pacific Bell DTE Two-channel Channel Service Unit/Data Service Unit for Pacific Bell DTE applications. This desktop unit provides line conditioning and signal conversion for dual T1 or fractional T1 circuits, with DB-25 connectors on each channel. Specifications & What's Included - Model: 5620 (American Technology Labs)
- Two channels with DB-25 (25-pin D-sub) DTE connectors
- RJ-11 modular rear line port
- Power: 120V AC, 60Hz via included Condor Class 2 transformer
- Includes Condor power supply and gray DB-25 interface cable
- Desktop form units were standard equipment in telecom installations for interfacing with carrier T1 lines. The 5620 supported Pacific Bell and other carriers' DTE configurations, used in corporate networks, branch office connectivity, and legacy data communications setups. Compatible with systems requiring dual-channel T1 termination and line conditioning.Condition: Used
This American Technology Labs 5620 Two Channel CSU/DSU has been inspected and appears to be in good condition. The unit shows light cosmetic wear typical of previously used telecom equipment — minor scuffing on the metal chassis is visible, but the front panel, LED indicators, and controls look intact and undamaged. The rear DB-25 DTE connectors and Line port appear clean. Comes with a Condor plug-in Class 2 transformer (power supply) and a gray DB-25 interface cable as shown in the photos. Please view our photo set and contact us if you have any questions. Visit Our Store Shop industrial, solar, scientific, vintage computing, electronic test, audio-visual, office equipment, and manuals in our store. Start shopping » Follow Our store Want first pick on new arrivals? Tap Save Seller at the top of any page — alerts you the moment we list something new. Fast Shipping We ship via most standard carriers. Local pick-up available at our Ventura, CA warehouse. About Us Questions? Contact us anytime. Learn more about us » Best Offers Want to make an OFFER but don't see a MAKE OFFER button? Use the Contact Seller button at the top of this listing. 30-Day Guarantee 100% satisfaction guaranteed. Any issue, just reach out — we'll make it right. Thank you for shopping with us.
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