NEC

NEC PN-4COTB Four Circuit CO Trunk Card Disconnect Supervision NEAX2000 150100

(No reviews yet) Write a Review
SKU:
24153
MPN:
4COTB
Condition:
Used
Availability:
Usually ships within 1-2 business days.
Weight:
3.00 LBS
Shipping:
Calculated at Checkout
  • NEC PN-4COTB Four Circuit CO Trunk Card – component side top view showing relays, transformers, and edge connector
  • NEC PN-4COTB CO Trunk Card – reverse angle showing full PCB layout with NEC ICs, relays, and white edge connector
  • NEC PN-4COTB board close-up showing PN-4COTB silkscreen, NEC 8H-631A IC, BL0–BL3 jumper headers, and C00 connector label
$18.00
Was: $40.00
Current Stock: 7

Sold Out

Description

NEC PN-4COTB Four Circuit CO Trunk Card Disconnect Supervision NEAX2000 150100

This is a Central Office trunk card module designed for the NEC NEAX2000 Integrated Voice Server. It provides four CO trunk circuits with disconnect supervision capability.

Specifications & What's Included

  • Brand: NEC
  • Model: PN-4COTB
  • Part Number: 150100
  • Type: Central Office Trunk Card
  • Circuits: 4
  • Compatible System: NEC NEAX2000 IVS
  • Feature: Disconnect Supervision
  • Manufactured in Japan

Applications

CO trunk cards like this were used in enterprise telephone systems to connect PBX installations to public switched telephone network (PSTN) lines. The PN-4COTB is designed for the NEAX2000 platform, which served mid-to-large organizations requiring integrated voice communications. The disconnect supervision feature monitors line status and call termination on trunk circuits. This card type was standard equipment in telecommunications installations through the 2000s and 2010s.

Condition: Used
This NEC PN-4COTB Four Circuit CO Trunk Card (P/N 150100) has been inspected and is in good condition. The PCB shows normal handling wear consistent with prior installation in a NEC NEAX2000 system. No visible damage, broken traces, or missing components. 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.
View AllClose

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.
View AllClose

Additional Information

Brand:
NEC
Model:
PN-4COTB
MPN:
150100
Type:
Central Office Trunk Card
SKU:
24153
Number of Circuits:
4
Compatible With:
NEC NEAX2000 Integrated Voice Server (IVS)
Features:
Disconnect Supervision
Form Factor:
Card / Module
Interface Type:
Central Office (CO) Trunk
Country/Region of Manufacture:
Japan
Condition:
Used – Inspected and in Good Condition
Seller Notes:
Pulled from NEC NEAX2000 IVS system; P/N 150100 printed on board
Condition Notes:
NEC PN-4COTB CO Trunk Card P/N 150100 inspected and in good condition. Normal handling wear from prior NEAX2000 installation. No damage or missing components observed.
View AllClose

Related Products

Related Products

NEC PN-4DLCA Digital Line Circuit Card – front component side showing four transformer sets and main ICs NEC PN-4DLCA Digital Line Circuit Card – reverse component side showing PN-4DLCA silk-screen label and edge connector
Add to Cart
Quick view

NEC PN-4DLCA Digital Line Circuit Card NEAX2000 IVS PBX 4-Port Module

NEC

$75.00
Was: $150.00
NEC PN-4DLCA Digital Line Circuit Card NEAX2000 IVS PBX 4-Port ModuleThe NEC PN-4DLCA is a 4-port digital line circuit card designed for use in the NEC NEAX2000 Integrated Voice Server (IVS) PBX...
24171
SKU:
24171
Availability:
Usually ships within 1-2 business days.
Weight:
4.00 LBS
Brand:
NEC
Model:
PN-4DLCA
MPN:
PN-4DLCA
Type:
Digital Line Circuit Card
SKU:
24171
Number of Ports:
4
Compatible With:
NEC NEAX2000 IVS
Compatible With 2:
NEC NEAX 2000 Integrated Voice Server
Form Factor:
Card / Module
Condition:
Used – Pulled from Working Environment
Country/Region of Manufacture:
Japan
Seller Notes:
Pulled from NEC NEAX2000 IVS PBX system; card only, no additional accessories
System Compatibility:
NEC NEAX2000 IVS PBX
Interface Type:
Digital Line
Condition Notes:
NEC PN-4DLCA Digital Line Circuit Card pulled from a NEAX2000 IVS PBX. Inspected and in good condition. Normal handling wear; no visible damage to components or edge connector.
NEC BS01-B BUS Interface Circuit Card – top-side component view showing main PCB, connectors, and ICs NEC BS01-B BUS Interface Circuit Card – reverse side showing PCB traces, edge connectors, and ribbon connector
Add to Cart
Quick view

NEC BS01-B BUS Interface Circuit Card NEAX2000 IVS PBX Phone System Module

NEC

$35.00
Was: $70.00
NEC BS01-B BUS Interface Circuit Card NEAX2000 IVS PBX Phone System ModuleThe NEC BS01-B (part number PN-BS01-B) is a BUS Interface Circuit Card designed for use in the NEC NEAX2000 Integrated Voice...
24175
SKU:
24175
Availability:
Usually ships within 1-2 business days.
Weight:
6.00 LBS
Brand:
NEC
Model:
BS01-B
MPN:
PN-BS01-B
Type:
BUS Interface Circuit Card
SKU:
24175
Compatible With:
NEC NEAX2000 IVS (Integrated Voice Server)
Form Factor:
Card / Module
Application:
PBX Telephone System
Condition:
Used – Inspected and in Good Condition
Seller Notes:
Card only; pulled from NEC NEAX2000 IVS phone system
Country/Region of Manufacture:
Japan
Condition Notes:
NEC BS01-B BUS Interface Circuit Card inspected and in good condition. Pulled from a NEC NEAX2000 IVS PBX system. Normal handling wear; no visible damage. Please contact us with any questions.
NEC 24DTA-A Digital Trunk Interface Card – top-side component view showing ICs, toroidal inductor, and edge connector NEC 24DTA-A PN-24DTA-A PBX board – angled top view showing Bt-marked IC, AMD memory chips, and PCB label
Add to Cart
Quick view

NEC 24DTA-A PN-24DTA-A Digital Trunk Interface Card NEAX 2000 IVS PBX Board

NEC

$20.00
Was: $40.00
NEC 24DTA-A PN-24DTA-A Digital Trunk Interface Card NEAX 2000 IVS PBX BoardDigital Trunk Interface Card designed for the NEC NEAX 2000 IVS PBX system. This card module provides digital trunk...
24264
SKU:
24264
Availability:
Usually ships within 1-2 business days.
Weight:
2.00 LBS
Brand:
NEC
Model:
24DTA-A
MPN:
PN-24DTA-A
Type:
Digital Trunk Interface Card
SKU:
24264
Compatible With:
NEC NEAX 2000 IVS (Integrated Voice Server)
Form Factor:
Card / Module
Condition:
Used – Pulled from Working Environment
System:
NEC NEAX 2000 IVS
Interface Type:
Digital Trunk
Country/Region of Manufacture:
Japan
Seller Notes:
Board only. Pulled from a working NEAX 2000 IVS system.
Condition Notes:
NEC 24DTA-A Digital Trunk Interface Card pulled from a working NEAX 2000 IVS system. Inspected and in good used condition. Board shows normal service wear; no visible damage to PCB or edge connector.
NEC NEC-14T PADAIC Port Interface Module Circuit Card M-677109 — top component side showing ICs and edge connector NEC NEC-14T PADAIC Port Interface Module Circuit Card — solder side (PCB reverse)
Add to Cart
Quick view

NEC NEC-14T PADAIC Port Interface Module Circuit Card M-677109 PBX

NEC

$30.00
Was: $60.00
NEC NEC-14T PADAIC Port Interface Module Circuit Card M-677109 PBXThe NEC NEC-14T is a PADAIC (Port Analog Digital Adapter Interface Circuit) port interface module circuit card designed for use in...
42813
SKU:
42813
Availability:
Usually ships within 1-2 business days.
Weight:
2.00 LBS
Brand:
NEC
Model:
NEC-14T
MPN:
M-677109
Type:
PADAIC Port Interface Module Circuit Card
SKU:
42813
Condition:
Used – Pulled from Working Environment
Country/Region of Manufacture:
Japan
Form Factor:
Card / Module
Compatible With:
NEC PBX Telephone Systems
Interface Type:
PADAIC Port Interface
DIP Switch:
SW1, SW2, SW3 — 8-position DIP switches present
Logic ICs:
Motorola MC74HC244AN, HC244AN (visible on PCB)
Seller Notes:
Card only; no cables or accessories included.
Condition Notes:
NEC NEC-14T PADAIC Port Interface Module Circuit Card M-677109. Used, inspected, PCB clean with no visible damage. Card clip intact. DIP switches SW1–SW3 present. Normal handling wear.