Lighting Controls Blue Box LT Series Installation, Operation & Maintenance Manual page 57

THE BLUE BOX LT PARTS REPLACEMENT & INSTALLATION GUIDE
5
6 4
7
2
3#18 AWG . Supplies power and neu-
1 .
tral from transformer to relay control
card .
14 conductor ribbon cable: carries
2 .
control signal between DTC and relay
control card (master panel only) .
2 conductor ribbon cable: carries con-
3 .
trol signal from smacker strip to relays
- one per relay .
P10 conductor ribbon cable: carries
4 .
digital signal from relay control card to
smacker strip
5 conductor ribbon cable: carries digital
5 .
signal from relay control card to (op-
tional) digital input card
4#22AWG carries rs-232 signal from
6 .
(optional) modem to relay control card
(master panel only) Dual-voltage (120V
or 277V)power supply .
Terminator / terminator pin-outs . (pro-
7 .
vided inside master panel) - terminates
bus line .
BLUE BOX LT 1416
3
1
2
6
5
10
4
Blue Box mounting holes (4) .
1 .
Back plate mounting screws . (Retaining
2 .
pin located at bottom, lift up and out to
remove)
RJ45 sockets for GR 2400 bus .
3 .
Photocell input (master only) . The Pho-
4 .
tocell may control any relay(s) in any
panel(s) .
Optional modem . Analog phone line con-
5 .
nects to RJ-12 socket .
Relays (line and load lugs) .
6 .
Dual-voltage (120V or 277V)power
7 .
supply .
(Optional) Digital Input Card . [DI] 14
8 .
(or 6 enable/disable) inputs .
Terminator pins . Terminate the bus only
9 .
after the "System Start-Up and Cabling
Guide" has been completed .
Clock backplate and back of DTC clock
10 .
(for the master panel only) .
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