TP

TP TP501 CSU/DSU T1 Data Service Unit 1.544 Mbps RJ-48C

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SKU:
14845
MPN:
TP501
Condition:
Used
Availability:
In stock and ready to ship within 1-2 business days.
Weight:
22.00 LBS
Shipping:
Calculated at Checkout
$50.00
Was: $100.00
Current Stock: 1

Sold Out

Description

TP TP501 CSU/DSU T1 Data Service Unit 1.544 Mbps RJ-48C

The TP TP501 is a Channel Service Unit/Data Service Unit (CSU/DSU) designed for T1 telecommunications lines. This managed device interfaces between customer premise equipment (CPE) and the carrier's T1 line, providing signal conditioning, line monitoring, and diagnostic functions on T1 circuits operating at 1.544 Mbps.

Specifications & What's Included

  • Model: TP TP501
  • Device Type: Managed CSU/DSU
  • Data Rate: 1.544 Mbps (T1 standard)
  • Line Interface: T1 via RJ-48C connector
  • Protocol Support: T1 ESF (Extended Superframe Format) and T1 D4 (Super Frame)
  • Management: Full managed CSU/DSU with diagnostics and status monitoring
  • Connector: RJ-48C (industry standard T1 connector)
  • Form Factor: Benchtop/standalone unit

Applications

CSU/DSU units like the TP TP501 are used to connect remote office locations, data centers, and telecommunications equipment to carrier-provided T1 lines. The CSU/DSU performs line conditioning, voltage translation, and signal regeneration while the DSU component handles protocol conversion and monitoring. These units were standard in corporate telecommunications and data networking from the 1980s through the early 2000s, and remain in use in legacy systems and specialized telecom environments. The managed variant provides extensive diagnostics and performance monitoring, making it valuable for troubleshooting and maintaining T1 circuit health.

Photo Notice: This item has not yet been photographed. Please contact us before purchasing for current photos, condition details, and availability confirmation.
Condition: Used
This TP TP501 CSU/DSU has been inspected and tested at our facility and is in good working order. It is ready for use on T1 data lines operating at 1.544 Mbps. Please review our photo set and contact us with any questions before purchasing.
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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:
TP
Model:
TP501
Type:
CSU/DSU (Channel Service Unit / Data Service Unit)
SKU:
14845
Interface Type:
T1 / RJ-48C
Data Rate:
1.544 Mbps
Protocol Support:
T1 ESF, T1 D4
Connector Type:
RJ-48C
Form Factor:
Standalone / Benchtop
Management Type:
Managed
Condition:
Used – Inspected and Tested
Country/Region of Manufacture:
United States
Condition Notes:
TP TP501 CSU/DSU has been inspected and tested in our facility and is in good working order. Ready for deployment on T1 lines.
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[INTERNAL] Serial Number:
19903493
[INTERNAL] Assembly Number:
6104506100010
[INTERNAL] Manufacture Date Code:
4396 (Q4 1996)
[INTERNAL] FCC Registration:
AK3USA-21062-DE-N
[INTERNAL] Power Supply Model:
Ault 7612-305-409E12
[INTERNAL] Power Supply Asset Code:
9436-A (visible on power supply top)
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Date Code:
4396
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