User's Manual

NDA-24300 CHAPTER 6
Page 471
Issue 1
SYSTEM OPERATIONS
(2) If the system uses PH-CK16 or PH-CK17 as the PLO, make sure the active PLO and the
newly activated TSW systems are in the same Switching Block. Refer to Figure 6-53.
Because this card’s MUSIC ROM supplies hold tones only to the TSW cards that are in
the same Switching Block, be sure to check the active PLO and the newly activated TSW
systems are all in the same Switching Block. If not, perform the PLO changeover, referring
to Section 12.1.7, Manual System Changeover of PLO.
Note:
If the system has PH-CK16-A/PH-CK17-A card, this step is not required.
Figure 6-53 Check of Active PLO
STEP 4 Analyze the displayed system messages.
After STEPs 1 through 3 are performed, the system messages [7-E], [7-F], and [1-T] will au-
tomatically display. Confirm that no errors occurred during the Speech Path System
changeover process.
: Lamp is ON : Lamp is OFF
PH-CK16/17 (Front View)
Legend
PLO: ST-BY
MB
PLO (PH-CK16/17)
ACT
PLO: Active
MB
ACT
PLO (PH-CK16/17)
green