VC
 0-32   Reserved for Future Signalling Functions
 33-63  Reserved for Future Networking Functions

 64-71   XPS150 - ACOMA     -PVM APPLICATION VCs
 72-79   XPS150 - ZIA             -PVM APPLICATION VCs
 80-88   XPS35 - ACOMA      -PVM APPLICATION  VCs
 89-96   XPS35 - ZIA               -PVM APPLICATION   VCs

VPI VCI   Usage
=== ===   ===============================================

0   140   XPS150 loopback
0   141   XPS35  loopback
0   142   Rogue  loopback

0   143   XPS150 - XPS35 connectivity test
0   144   XPS150 - Rogue connectivity test
0   145   XPS35  - Rogue connectivity test

0   146   XPS150 - Rogue PVM application
0   147   XPS150 - Rogue PVM application

0   148   XPS35  - Rogue PVM application
0   149   XPS35  - Rogue PVM application

0   150   XPS150 - XPS35 PVM application
0   151   XPS150 - XPS35 PVM application
0   152   XPS150 - XPS35 PVM application
0   153   XPS150 - XPS35 PVM application
0   154   XPS150 - XPS35 PVM application
0   155   XPS150 - XPS35 PVM application
0   156   XPS150 - XPS35 PVM application
0   157   XPS150 - XPS35 PVM application
0   158   XPS150 - XPS35 PVM application
0   159   XPS150 - XPS35 PVM application


 200-203 XPS150 - ACOMA    - End Station Testing VCs
 204-207 XPS35 - ACOMA    -  End Station Testing VCs

 216-220  ORNL SideNetwork Loopback VCs
 221-224  SNL Side Network Loopback VCs
 221 - XPS150 to first switch at Sandia
 222 - XPS150 to last switch before Zia
 223 - XPS150 to last switch before Acoma
 224 - XPS35 to last switch before Acoma