Table of Contents
DBU Application 2 (PRI) ............................................................................................ 4-14
Port Map ............................................................................................................................... 6-2
Nx Port .................................................................................................................................. 6-2
Flow Control .......................................................................................................... 6-2
None ................................................................................................................. 6-2
Hardware ........................................................................................................ 6-2
FECN/BECN .................................................................................................. 6-2
CTS Option ............................................................................................................. 6-2
Forced On ........................................................................................................ 6-2
Follow RTS ...................................................................................................... 6-3
DSR Option ............................................................................................................ 6-3
Forced On ........................................................................................................ 6-3
Normal ............................................................................................................ 6-3
CD Option .............................................................................................................. 6-3
Forced On ........................................................................................................ 6-3
Normal ............................................................................................................ 6-3
Normal ............................................................................................................ 6-3
Inverted ........................................................................................................... 6-3
External ........................................................................................................... 6-3
T392 ......................................................................................................................... 6-4
N392 and N393 ...................................................................................................... 6-4
Always On ...................................................................................................... 6-5
Always Off ...................................................................................................... 6-5
DSX Port ................................................................................................................................ 6-6
Line Code (LNE CODE) ............................................................................................... 6-6
Yellow Alarm................................................................................................................. 6-6
Line Length (LBO)......................................................................................................... 6-6
xvi
TSU IQ+ User Manual
61200275L1-1