Interphase Tech iSPAN 5535 PRI - Manual (Page 41)

Chapter 3: Connecting to the Line
iSPAN PRI PCI ISDN Users Guide 21
W
ARNING
To avoid harming the WAN, you must first contact your
carrier for approval before connecting the CSU to the line.
C
AUTION
In accordance with FCC Rules, Part 68.218 (b), you must
notify the telephone company prior to disconnecting the
CSU from the line or turning the CSU’s power off. Without
this prior notification, the carrier might temporarily
discontinue your T1/PRI service.