UJ0E3

The problem has been isolated to the local modem or the hardware that links to the remote end.

Local System
 .----------.                                               
 |          |                                                
 |          |                                                Remote System
 |          |    Local Modem                Remote Modem     or Controller
 |          |    .-----------.              .-----------.    .----------.
 |          +----+           +------//------+           +----+          |
 |          |    '-----------'              '-----------'    |          |
 |          |    ^                  ^             ^          '----------'
 |          |    |                  |             |                     ^
 |          |    |                  |             |                     |
 |          |    |                  |             |                     |
 '----------'     --------------- The problem is here ------------------