Withdrawal Announcement Letter 900-233 contains the details of this announcement. This device also supports two polling groups from advanced workstation controllers. Ring Mode permits dropping twinax terminals in up to three locations on the same pair of fiber. The IBM 7299 Express Multiplexer, when compared to other fiber multiplexers like the IBM 6299, enables all 5250 Express Networks to operate at Express speeds. Measured throughput enhancement data is available by clicking here .
Legacy mode is the term used to describe the non-express mode of operation.
Specification Sheets For more details of solutions using the 7299 Express Family of products, click the links below. The PDF download is on each page. You can even learn how to Supercharge your Twinax with quality products from IBM with simple diagrams and charts. Orderable part numbers are included in these documents.