Lighting Controls Blue Box LT Series Installation, Operation & Maintenance Manual page 56

56 THE BLUE BOX LT PARTS REPLACEMENT & INSTALLATION GUIDE
7
6
4
3#18 AWG . Supplies power and neu-
1 .
tral from transformer to relay control
card .
1-14 conductor ribbon cable: carries
2 .
control signal between DTC and relay
control card (master panel only) .
4(1404LT)/ 8 (1408) 2 conductor rib-
3 .
bon cable: carries control signal from
smacker strip to relays - one per relay .
Terminator / terminator pin-outs . (pro-
4 .
vided inside master panel) - terminates
bus line .
BLUE BOX LT 1404/1408
1
2
5
low voltage only
5
8
10
3
4
3
Blue Box mounting holes (4) .
1 .
Back plate mounting screws .
2 .
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) .
line voltage only
2
9
2
1
6
7