ISU 128 User Manual (Rev D)

The ADTRAN ISU™ 128 is a stand-alone device that connects data terminal equipment (DTE) to the ISDN network or to a leased digital network for data transmission. This manual provides operating instructions for the device.

Want to learn more about ISU 128 User Manual (Rev D)?

Just complete the adjacent form and we'll be in touch!  Or if you'd prefer to speak with one of our experts immediately, please feel free to give us a ring directly.

888-856-5970

Name*
Business Address*
This field is for validation purposes and should be left unchanged.