CHAPTER 3 NDA-24296
Page 346
Revision 1.0
PA-16LCBY
Line Circuit
4. Lamp Indications
The contents of lamp indications of this circuit card are shown in the table below.
5. Switch Settings

Switches on the PA-16LCBY (LC) card have the following meanings.

LAMP NAME LAMP
COLOR L AMP STATUS MEANING OF INDICATION
OPE Green Steady Light ing The circu itry of t he circuit card is operating normally.
BL0
BL15
Green
Steady Lighting Line loop exists.
Flashing
1) Ring ing s i gn al is b ein g t ransmitte d. Busy Lamp keeps flashing
in synchronizing with on/off of the ringing signal.
2 ) Di al puls es are being re ce iv ed . W hil e dia l pu ls es from a line are
being received, Busy Lamp keeps flashing in synchronizing with
the dial pulses c oming from the line.
3) Line is in make-busy state.
Busy Lamp keeps flashing at 60 ipm.
SWITCH F UNCTION SWITCH SETTING MEANING
SW00
(MB) Circuit Card
Make-busy Key
OFF Circuit card make-busy cancel
ON Circuit card make-busy
SW10
(BNW0-7)
Balancing
Network
Designation
Each element on
t his swit ch
corresponds to
circuit #0-#7.
When this switch
has been set, see
SW14.
ON
North America, Other Country (µ Law)
BNW : Compromise Impedance
(EIA/TIA-464B) (Note )
for long distance
OFF North America, Other Country (µ Law)
BNW : 600
(Note )
for short distance
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ON
OFF