NEC 2400 ipx [Mounted in TSWM0 of IPX-U/IPX-UMG System]

NDA-24296 CHAPTER 3
Page 227
Revision 1.0
PH-CK17-A
Phase Lock Oscillator
[Mounted in TSWM0 of IPX-U/IPX-UMG System]
SWITCH
NAME SWITCH NO. SETTING STANDARD
SETTING MEANING
SW01
1ON ×Clock subordinate office. (Fixed)
OFF Clock source offi ce.
2
ON Digital Clock Supply route zero (DCS 0) is used.
(In case this circuit card is accommodated as #0 system.)
OFF Digital Clock Supply route zero (DCS 0) is not used.
(In case this circuit card is accommodated as #1 system.)
3
ON Digital Clock Supply route one (DCS 1) is used.
(In case this circuit card is accommodated as #1 system.)
OFF D igital Clock Supply route one (DCS 1) is not used.
(In case this circuit card is accommodated as #0 system.)
4
ON 8 KHz of Frame Head signals are extracted from the DCS
signals (which is composed of 64 KHz + 8 KHz).
OFF ×8 KHz of Frame Head signals are not extracted from the DCS
signals (which is composed of 64 KHz + 8 KHz).
5
ON When clock source f ailure has occurre d in all suppl y r oute s, th e
P L O output s the orig i nal clo c k of th e int er nal osci ll at or.
OFF × Whe n clock source f ailure has occurre d in all suppl y r oute s, th e
PLO continues outputting the current phase clock.
6
ON ×This circuit card is associated with SYNC (PA-CK16 WCS) card
and 5 m Frame Pulse (FP) is supplied by the SYNC card.
(Fixed to “ON” )
OFF This circuit card is no t associated with SYNC (PA-CK16 WCS)
card.
7ON A-law CODEC is used for Music-On-Hold.
OFF ×µ-law CODEC is used for Music-On-Hold.
8OFF ×Fixed OFF (Not used).