CHAPTER 3 NDA-24296
Page 226
Revision 1.0
PH-CK17-A
Phase Lock Oscillato r
The key setting of “SW01” differs depending on the mounting lo cation.

[Mounted in ISWM of IPX-U/IPX-UMG System or TSWM of 4-IMG System]

Note 1: When this card is used in the 4- IMG or ISWM of IPX-U/IPX-UMG system, specify the clock source (DCS

or DTI) according to the clock network configuration for the office.

Note 2: This standard setting is applicable when this card is mounted in ISWM of the IPX-U/IPX-UMG system.
SWITCH
NAME SWITCH
NO. SETTING STANDARD
SETTING MEANING
SW01
1ON ×
Note 2 Clock subordinate office.
OFF Clock source office.
2
ON Digital Clock Supply route zero (D CS 0) is used.
OFF ×
Note 2 Digital Clock Supply route zero (D CS 0) is not used.
3
ON Digital Clock Supply route one (DCS 1) is used.
OFF ×
Note 2 Digital Clock Supply route one (DCS 1) is not used.
4
ON 8 KHz of Fra me Head signals are extracted from the DCS
signals (which is composed of 64 KH z + 8 KHz).
OFF ×
Note 2 8 KHz of Frame Head signals are not extracted from the DCS
signals (which is composed of 64 KH z + 8 KHz).
5
ON When clock source fail ure ha s occurred in all suppl y r outes , the
PLO outputs the original clock of the internal oscillator.
OFF ×
Note 2 When clock source failure h as occ urred, the PLO keeps on
outputting the current phase clock.
6
ON This circuit card is used associated with SYNC (PA-CK16
W CS) card an d 5 m F rame P ulse (FP) is supplied by the SYNC
card.
OFF ×
Note 2 This circuit card is not used 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 to “OFF” (Not used).