CHAPTER 3 NDA-24296
Page 344
Revision 1.0
PA-16LCBY
Line Circuit

PA-16LCBY

Line Circuit
1. General Function
The PA-16 L CBY circu it card provid es an i n te rface between a ma x im u m of 16 anal o g voi ce term i na ls an d
the system with a range of 1200 (Ohm) inclusive of terminal resistance. This card also can send Stutter
Dial Tone, which is not a continuous tone , to an associ ated termi nal which has no Message Waiting La mp
(MWL) instead of activating the MWL if required. In addition polarity reverse function is provided f o r 16
channels on this card. The card can be used for Caller ID service. This is a -48V card.
Note: The PA-16LCBY card re quires Series 7400 or later software.
Figure 3-82 Location of PA-16LCBY(LC) Circuit card within the S ystem
2. Mounting Location/Condition
The PA-16LCBY(LC) circuit card can be mounted in the following universal slots.
max. 1200 []
Analog Terminal
COT
RST
LC
TSW/INT
(PA-8RSTY)
CPU GT
Local I/O Bus
(PA-16LCBY)
C. O. LINE
Loop Resistance : Max 1200[]
(inclusive of terminal resistance)
Reverse Function : x 16 circuits
Stutter Dial Tone/Message Waiting Lamp (selectable)
Encoding Law : µ-law
PUBLIC
NETWORK
PIM
Mounting Module
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