Lencore Spectra i.Net Installation And Operation Manual page 33

section 5 section 5
5.12 | router settings
Lencore Router Jumper Description
Scenario 2:
Sound masking page and music
Audio volume and EQ adjusted by an external amplifier and / or EQ
J7
Jumper in pin-1, pin-2
Jumper in pin-3, only
Jumper in pin-5, only
Jumper in pin-7, only
Jumper in pin-9, only
J8
1- Page+
2 - Page -
3 - Music +
4 - Music -
5 - Ground
J9
1- Page+
2 - Page -
3 - Music +
4 - Music -
5 - Ground
If an amplifier(s), such a two TOA BG1015's are used, with high impedance balanced inputs, then...
J11
Jumper in pin-1, pin-2
J12 Jumper in pin-1, pin-2
If another amplifier(s), or EQ that has 600 ohm low impedance balanced inputs then...
J11
Jumper in pin-2, pin-3
J12
Jumper in pin-2, pin-3
You must open the router housing to adjust any jumper settings. To open the router, unscrew all three outside
green screw terminals and pull terminals off the router housing (power, jumper in and jumper out).
Then unscrew one side and slide off housing top.
Then slide PC board out of housing (make sure you are personally discharged of any and all static electricity
before handling a raw PC board).
Make necessary jumper changes or modifications.
Put unit back together.
Ground2, Ground1 connected, recommended
Music - in isolated from music - out
Music + in isolated from music+ out
Page - in isolated from page - out
Page + in isolated from page 1 out
Connect to balanced + input of amplifier/EQ (ie. left channel +)
Connect to balanced - input of amplifier/EQ (i.e. left channel -)
Connect to balanced - input of amplifier/EQ (i.e. right channel+)
Connect to balanced - input of amplifier/EQ (i.e. right channel -)
Connect to (-) power of last OP (i.e. OP30)
Connect to balanced + output of amplifier/EQ (i.e. left channel +)
Connect to balanced - output of amplifier/EQ (i.e. left channel -)
Connect to balanced + output of amplifier/EQ (i.e. right channel+)
Connect to balanced - output of amplifier/EQ (i.e. right channel -)
Connect to (-) power of first of additional OP's (i.e. OP31)
The Amplifier will provide the page termination
The Amplifier will provide the music termination
Leaves page line unterminated
Leaves page line unterminated
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