Data Comm

Data Comm for Business DL-56 56Kbps DDS Modem RS-232 V.35 w/ AC Adapter

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SKU:
15786
MPN:
DL-56
Condition:
Used
Availability:
Usually ships within 1-2 business days.
Weight:
5.00 LBS
Shipping:
Calculated at Checkout
  • Data Comm for Business DL-56 56Kbps external DDS modem – front panel view showing LED indicators for Power, Transmit Data, Receive Data, Request to Send, Clear to Send, Carrier Detect, Test, and Loopback
  • Data Comm for Business DL-56 modem – rear panel showing DB-25 RS-232 connector, DB-25 V.35 connector, and RJ-11 network jack
  • Data Comm for Business DL-56 model label – showing model DL-56, serial number, and Made in USA marking
  • Included AC adapter – Class 2 transformer model T41-090800-A020B, P/N 52-00057, input 120V AC 60Hz 150mA, output 9V DC 800mA, UL listed, made in China
$55.00
Was: $100.00
Current Stock: 1

Sold Out

Description

Data Comm for Business DL-56 56Kbps DDS Modem RS-232 V.35 w/ AC Adapter

External synchronous DDS modem designed for digital leased line connectivity. Operates at 56 Kbps and supports point-to-point or multipoint network topologies using Bell system encoding and protocols.

Specifications & What's Included

  • Data rate: 56 Kbps
  • Interfaces: RS-232-D and V.35 (DB-25 connectors)
  • Network compatibility: DDS, digital leased lines, line driver mode
  • Front panel loopback switch and current reversal loopback
  • Power: 9V DC 800mA via included AC adapter (120V AC, 60Hz)
  • Includes AC adapter P/N 52-00057

Applications

This modem type was used in telecommunications and data networking infrastructure for synchronous data transmission over DDS circuits and digital leased lines. Compatible with legacy business networks and enterprise systems requiring Bell system interface standards. Commonly deployed in point-to-point WAN configurations and multipoint network setups from the 1990s through early 2000s.

Condition: Used
This Data Comm for Business DL-56 56Kbps external DDS modem has been inspected and is in good used condition. It was pulled from a working environment where it was previously in use. The off-white desktop enclosure shows light surface wear consistent with normal office use. The front panel LED indicators and loopback switch are intact. The rear DB-25 and RJ-11 connectors appear clean and undamaged. The original AC adapter (P/N 52-00057, 9V DC 800mA) is included. Please view our photo set and contact us if you have any questions.
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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:
Data Comm for Business
Model:
DL-56
MPN:
DL-56
Type:
External Synchronous DDS Modem
SKU:
15786
Data Rate:
56 Kbps
Interface Type:
RS-232-D and V.35
Connector Type:
DB-25 (RS-232), DB-25 (V.35), RJ-11
Protocol:
Synchronous, Bell system encoding/decoding
Standards Compliance:
Bell system interface and diagnostic standards
Network Compatibility:
DDS, digital leased line, line driver mode
Topology:
Point-to-point or multipoint
Loopback:
Front panel loopback switch; current reversal loopback
Form Factor:
Desktop / External
Power Requirements:
9V DC 800mA (via included AC adapter)
AC Adapter Input:
120V AC, 60Hz, 150mA
AC Adapter Model:
T41-090800-A020B (P/N 52-00057)
Country/Region of Manufacture:
United States
Seller Notes:
Includes AC adapter (P/N 52-00057, 9V 800mA)
Condition Notes:
Data Comm for Business DL-56 56Kbps DDS modem inspected and in good used condition. Pulled from a working environment. Includes AC adapter (P/N 52-00057). Light surface wear only.
Condition:
Used – Pulled from Working Environment
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