CHAPTER 3 NDA-24296
Page 196
Revision 1.0
PH-CK16-A
Phase Lock Oscillato r
4. Lamp Indications
Lamp indications for this circuit card are shown in the table below:
Note: This lamp i s ef fe ctive when th is card i s mount ed in T SWM0 of the IPX-U/I PX-UMG system. Whe n this c ar d

is mounted in ISWM, this lamp is not used.

5. Switch Settings
Standard settings for switches on this circuit card are shown in the table below.
L AMP N AME COLOR STATE
OPE Green Rema ins lit while this circ uit card is in acti ve s tate .
MJ Red
Lights when the following MJ fault has occurred:
All of the clock supply routes have failed when the system operates as the clock
subordinate of fice
32.768 MHz output clock failure (including CLK card)
8 KHz output clock f ailure (including CLK card)
Input Fr ame Pulse (FP) f ailure ( FP is s upplied by the SYNC card) Interna l OSC ( ±5
ppm deviation) has failed when the system operates as the clock source office
MN Red
Lights when the following MN fault has occurred:
One or more (but not all) DTI/DCS clock supply route has failed
Dr ifting fail u re
In ternal OSC ( ±5 p pm deviat ion) f ailu r e
SYNC Green Rema ins lit wh ile the syst em is synchronized with the net w ork.
ICK Green Lights when the internal oscillator is operating normally.
CKPKG
Note Green Lights when the CLK card in TSWM1 is in normal operation.
ALM0
Note Red L ights when clock failure has occurred in the CLK card.
ALM1
Note Red Li ghts when FH fail ure ha s occurred in the CLK card.
PALM Red Remains lit when the On-Board Power Supply is abnormal.
SWITCH
NAME SETTING STANDARD
SETTING MEANING
MB UP C irc uit card Ma ke- busy.
DOWN ×Circ uit car d M ake -bus y c an cel.
SW03 1 - F 1 Fixed to 1.