Nortel / Meridian

Nortel Meridian QPC422A Tone Detector Card PBX Telephone System Module

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SKU:
12246
MPN:
QPC422A
Condition:
Used
Availability:
Usually ships within 1–2 business days.
Weight:
2.00 LBS
Shipping:
Calculated at Checkout
  • Nortel Meridian QPC422A Tone Detector Card – top view showing full PCB with NT sub-board and relay
  • Nortel QPC422A Tone Detector Card – rear/solder-side view showing gold edge connector and PCB traces
  • Nortel QPC422A label showing Made in Canada and serial number 015790
  • Nortel QPC422A PCB edge marking – P0622658 Style A QPC422 silkscreen detail
  • Nortel Meridian QPC422A Tone Detector Card – angled front view showing faceplate and PCB assembly
  • Nortel QPC422A sub-board close-up showing NT branding, relay, capacitors, and ICs including QPC476 designation
  • Nortel QPC422A close-up of ICs – AM9128-20PC, SN74LS374N, SN74LS257AN, SN74LS299N and other logic chips
  • Nortel QPC422A Tone Detector Card – three-quarter view showing bracket, PCB, and component side
  • Nortel QPC422A – alternate angle showing NT DSR1A080 silkscreen, relay sub-board, and memory ICs
$75.00
Was: $150.00
Current Stock: 1

Sold Out

Description

Nortel Meridian QPC422A Tone Detector Card PBX Telephone System Module

Tone detector card module for Nortel Meridian PBX telephone systems. This card processes and detects tone signals within the PBX switching environment.

Specifications & What's Included

  • Model: QPC422A (MPN: QPC422A, Secondary: P0622658)
  • Type: Tone Detector Card / PBX Module
  • Compatible With: Nortel Meridian PBX Telephone System
  • Form Factor: Card / Module
  • Style: Style A
  • Manufactured: Canada
  • Includes: Card only; no accessories

Applications

Tone detector cards were used in Meridian PBX systems to identify and process dial tones, busy signals, and other telephony tones. This module functions as a signal processing component within larger Meridian installations, supporting call routing and switching operations. Commonly deployed in business telephone environments using Nortel Meridian systems.

Condition: Used
This Nortel Meridian QPC422A Tone Detector Card has been inspected and appears to be in good used condition. It was pulled from a working PBX environment and shows normal wear consistent with service use. The PCB is clean with no visible damage, cracked traces, or missing components. The card is identified as Style A with PCB part number P0622658 and was manufactured in Canada. 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:
Nortel
Model:
QPC422A
MPN:
QPC422A
Secondary Model:
P0622658
Type:
Tone Detector Card / PBX Module
SKU:
12246
Style:
Style A
Compatible With:
Nortel Meridian PBX Telephone System
Form Factor:
Card / Module
Country/Region of Manufacture:
Canada
Condition:
Used – Pulled from Working Environment
Seller Notes:
Card only; no additional accessories included.
Condition Notes:
Nortel Meridian QPC422A Tone Detector Card. Used, pulled from a working PBX environment. Inspected and in good condition — clean PCB, no visible damage. Style A, made in Canada. Card only.
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