Description
IBM 73X4012 9172 8-Port Coax Mux Card for 3174 Establishment Controller SNA
This is an 8-port coaxial multiplexer card designed for the IBM 3174 Establishment Controller. It provides coax connectivity for SNA (Systems Network Architecture) terminal connections.
Specifications & What's Included
- Model: IBM 9172
- MPN: 73X4012
- 8 BNC coaxial ports (ports 0-7)
- Dual card-edge connector for backplane installation
- SNA protocol architecture
- Manufactured in the United States
- Card only -- no cables included
Applications
This mux card was used in IBM mainframe terminal environments to connect multiple coaxial terminals to a 3174 Controller. The 3174 served as a control unit for SNA networks, managing communications between terminals and mainframe systems. Coax-based connections were standard in enterprise IBM installations through the 1990s for reliable terminal data transmission.
Condition: Used
This IBM 73X4012 9172 8-Port Coaxial Mux Card for the 3174 Establishment Controller has been inspected and is in good used condition. The card body shows light surface wear consistent with prior rack or shelf use, and all eight BNC-style coaxial ports appear intact with no significant damage or broken connectors. The dual card-edge backplane connector on the rear looks clean and undamaged. Card only -- no cables are included. Please view our photo set and contact us if you have any questions.
This IBM 73X4012 9172 8-Port Coaxial Mux Card for the 3174 Establishment Controller has been inspected and is in good used condition. The card body shows light surface wear consistent with prior rack or shelf use, and all eight BNC-style coaxial ports appear intact with no significant damage or broken connectors. The dual card-edge backplane connector on the rear looks clean and undamaged. Card only -- no cables are included. Please view our photo set and contact us if you have any questions.
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: |
IBM |
Model: |
9172 |
MPN: |
73X4012 |
SKU: |
14300 |
Type: |
8-Port Coaxial Multiplexer Card |
Compatible With: |
IBM 3174 Establishment Controller |
Number of Ports: |
8 |
Interface Type: |
Coaxial (BNC-style) |
Form Factor: |
Card / Module |
Country/Region of Manufacture: |
United States |
Seller Notes: |
Card only — no cables included. |
Condition Notes: |
IBM 73X4012 9172 8-port coax mux card for the IBM 3174 Controller. Inspected; good used condition. Light surface wear; all 8 BNC ports intact. Card only — no cables. Please view photos and contact us with questions. |
California Prop 65 Warning: |
WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov |
Connector Type: |
BNC (ports 0–7); dual card-edge connector (backplane) |
Card Designation: |
9172 |
Protocol / Architecture: |
IBM SNA (Systems Network Architecture) |
Condition: |
Used – Inspected |
