NDA-24296 CHAPTER 2
Page 103
Revision 1.0
PH-PC20
Data L ink Controller
3. Face Layout of Lamps, Switches, and Connectors
The face layout of lamps, switches and connectors of this circuit card is shown in Figure 2-45.
Fig ure 2-4 5 Face Layout of the PC-PH20 Card
4. Lamp Indications
Lamp indications for this circuit card are shown in the table below.
5. Switch Settings
Standard settings of various switches on this circuit card are shown in the table below.
6. E x te rn al Interface
LAMP NAME COLOR STATE
OPE/MB
Green Remains lit while this circuit card is in ACT state.
Red Remains lit while this circuit card is in Make-busy state or when the firmware is
abnormal.
PWR ALM Red Lights when the On-Board Power Supply located on this circuit c ard is abnormal.
SWITCH
NAME SWITCH NO. SETTING STANDARD
SETTING MEANING
MB UP Circuit card Make-busy.
DOWN Circuit card Make-busy cancel.
OPE/MB
PWR ALM
MB