CHAPTER 2 NDA-24296
Page 120
Revision 1.0
PH-SW10
Time Division Switch
5. Switch Settings
Standard settings for switches on this circuit card are shown in the table below.
SYNC
Green Remains lit while the system is synchronized with the network.
OFF
Remains off when any of the following have occurred.
• DCS clock failure when receiving the clock signals from the DCS.
• DTI clock failure when receiving the clock signals from the DTI.
• Drifting failure
ICK Green
Lights when the TSW (PA-SW10) internal oscillator is operating normally.
Note 1: The ICK LED will illuminate even when the internal PLO circuit is
operational.
ECK Green
Lights when the high-precision clock signals are received from OSC circuit card
(PA-CK14).
Note 2: The ICK LED will not illuminate when the PA-CK14 is operational.
SWITCH
NAME
SETTING
STANDARD
SETTING
MEANING
MB
UP Circuit card Make-busy.
DOWN × Circuit card Make-busy cancel.
TSWMBR
UP TSW Make-busy request.
DOWN × TSW Make-busy request cancel.
PLOMBR
UP PLO Make-busy request.
DOWN × PLO Make-busy request cancel.
SW12 1-F 1 Fixed to “1.”
LAMP NAME COLOR STATE