Party line off-hook detection – GAI-Tronics LE300-IP Page/Party Line Extender User Manual

Page 15

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Pub. 42004-488C

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Party Line Off-Hook Detection

The Model LE300-IP Line Extenders provide off-hook detection on the local Page/Party

®

system cable for

party lines 1 through 5. An off-hook condition means a handset station is in use. If multiple line extenders
are connected to the same Page/Party

®

system cable segment, only one off-hook detector can be enabled.

If connecting an LE300-IP to the same system cable segment as an ADVANCE Page/Party

®

Interface

(PPI) card, disable the LE300-IP off-hook detection for party lines 1 and 2. The PPI card contains off-
hook detection for party lines 1 and 2.

Several shorting clips (P6–P15) are used to enable the off-hook detection feature on party line 1 through 5.
Two shorting clips are associated with each party line and must be set to the same position for proper
operation. The party lines 1 through 5 are configured independently. Refer to Figure 6 for the location of
P6–P15 on the Main PCBA and Table 11 below for setting options.

Table 11. Party Line Off-Hook Detection Setting on Main PCBA

Party Line

Headers

Shorting Clip

Off-Hook Detection

Party Line 1

P15, P14

Pins 1–2*

Disabled

Pins 2–3

Enabled

Removed Disabled

Party Line 2

P13, P12

Pins 1–2*

Disabled

Pins 2–3

Enabled

Removed Disabled

Party Line 3

P11, P10

Pins 1–2*

Disabled

Pins 2–3

Enabled

Removed Disabled

Party Line 4

P9, P8

Pins 1–2*

Disabled

Pins 2–3

Enabled

Removed Disabled

Party Line 5

P7, P6

Pins 1–2*

Disabled

Pins 2–3

Enabled

Removed Disabled

N

OTES

:

1. Changes to this parameter take effect without cycling power.
2. *Indicates default position.

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