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Model 4616 & 4816 e-Twinax Controller (e-Twin@x  / BX6058)
Support for 16 Twinax Addresses / Devices Over any TCP/IP Connection

e-Twinax Controller - Model 4616 & 4816

Connect Up To 16 Twinax Devices Over IP to a New Power9, Power8, Power7 or Any iSeries AS/400 - Local or Remote

(Click here to see other eTwinax Models) 

Please Note We offer the Model 4616 and 4816 as REFURBISHED products only.  If you would prefer a new controller with 3-year warranty we recommend the I-O Corporation Xip Twinax Controllers.  Click here and you will be re-directed to the Xip Twinax Controller page.


The e-Twinax Controller is a "Twinax-to-IP" controller that can be used to connect Twinax devices to an IBM Power9, Power8, Power7 or any iSeries or AS/400 over any IP connection, locally or remotely.

The simplest way to look at the e-Twinax Controller is as an "External Twinax Workstation Controller".  You can even use your current IBM 8-port Twinax "Brick" on it as shown above.   Click on each photo of the eTwinax Controller for large images.

Some models also support an 8-port RJ45 "Brick".  Each RJ45 port is just like a Twinax Host Port with an RJ45 Balun on it.

When used remotely, it is a replacement for SDLC Remote Controllers such as the IBM 5494 and 5394, the Perle 594e, 494e and 394, and other IBM compatible Twinax controllers from I-O Corp., Decision Data and Idea.

It will support Twinax Display Stations and Twinax Printers (SCS and IPDS).

Being it uses TN5250e as it's communication protocol, it does not require any SNA protocols. In addition, it does not require DLSw (Data Link Switching) as IBM 5494s and other Twinax Controllers do.

Technical Specifications - 4616 & 4816 eTwinax Controller

Devices Supported


4616 - 8 Twinax Host Ports

4816 - 8 Twinax Host Ports
or 8 RJ45  Host
Each RJ45 Host Port is equivalent to a Twinax Port with a Twinax to RJ45 Balun installed
Each Host Port will support up to a maximum of 7 devices using any standard Twinax address (0, 1, 2, 3, 4, 5, 6) up to a maximum total of 16 devices/addresses across all 8 ports.


Partial List - 5251, 5291, 3179-2, 3180, 3196, 3197C, 3197D, 3476, 3477, 3486, 3487, 3488 and compatibles by Decision Data, CLI, I-O, Memorex-Telex, etc. (not all features are supported such as shared addressing, mouse support, imaging, etc.


SCS Printers - IBM 3812-1, 4214, 5219, 5224, 5225, 5256, 5262, 6262, 6400, 6500, Printronix P5000, P6000, P7000, P8000 and compatibles

IPDS Printers - IBM 3812-2, 4224, 4230, 4234, 4247, 6400, 6500, Printronix P5000, P6000, P7000, P8000 and compatibles

Other Printers - Most printers and printing devices such as thermal printers, card printers, etc. with built in Twinax interfaces or external Twinax interface protocol converters


Supports all PCs with Twinax 5250 emulation (TDLC) and BOS, CompuMaster, NLynx, IBM or IBM-compatible Emulation Cards

Host System Requirements

AS/400 Operating System

OS/400 V3R2 or higher

AS/400 Internal Features

AS/400 Ethernet LAN Connection


Ordering Information

All "ADD TO CART" models are currently in stock as of .
These prices are limited to our current inventory.



Please call us at 800-597-2525 or 1-908-688-8100 to discuss your application or if you have any questions.

Information Request Form

Model 4616 eTwinax Controller - 16 Twinax Address/Device Support



Model 4616 / 4816 eTwinax Controller Information Request Form
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