Federal Signal Corporation UNISTAT USI Series Instruction Sheet page 7

Table 1
ACTIVATION METHOD FOR THE USI-024TC, USIS-024TC, USI-120TC, USIS-120TC, USI-024QC, USIS-024QC, USI-
120QC AND USIS-120QC
SIMU Flash RED
LED
Select Select
PIN 2 PIN 3 PIN 5 PIN 6
(S) (F) (R)
O O O
O X O
X O O
X X O
O O X
O X X
X O X
X X X
O O O
O X O
X O O
X X O
O O O
O X O
X O O
X X O
O O X
O X X
X O X
X X X
O O O
O X O
X O O
X X O
O O O
O X O
X O O
X X O
O O X
O X X
X O X
X X X
AL select, pin (1) selects sounder for the USIS models only.
All Other Options All Colors OFF
X = Contact closure to Selection Common Signal (Pin 4 on terminal block).
O = Contact open.
* Pin 7 (B) is not used for the -TC models
GREEN BLUE AMBER
LED LED LED
Select Select
PIN 7* PIN 8
(G) (B) (A)
O O X
O O X
O O X
O O X
O O O
O O O
O O O
O O O
O X O
O X O
O X O
O X O
X O O
X O O
X O O
X O O
O O X
O O X
O O X
O O X
O X X
O X X
O X X
O X X
X O X
X O X
X O X
X O X
X X X
X X X
X X X
X X X
Description/Function
Terminal Block Pin number
Printed Circuit Board label
Steady Burn Amber LED
Slow Flash Amber LED
SimuStrobe Amber Color
Strobe/Flash Amber Color
Steady Burn Red LED
Slow Flash Red LED
SimuStrobe Red LED
Strobe/Flash Red LED
Steady Burn Blue LED
Slow Flash BlueLED
SimuStrobe Blue LED
Strobe/Flash Blue LED
Steady Burn Green LED
Slow Flash Green LED
SimuStrobe Green LED
Strobe/Flash Green LED
Alternating Amber/Red Colors
Slow Flash Alternating Amber/Red Colors
SimuStrobe Alternating Amber/Red Colors
Strobe/Flash Amber/Red Colors
Alternating Amber/Blue Colors
Slow Flash Alternating Amber/Blue Colors
SimuStrobe Alternating Amber/Blue Colors
Strobe/Flash Amber/Blue Colors
Alternating Amber/Green Colors
Slow Flash Alternating Amber/Green Colors
Simu Strobe Alternating Amber/Green Colors
Strobe/Flash Amber/Green Colors
Alternating Amber/Red/Blue/Green Colors
Slow Flash Alternating Amber/Red/Blue/Green Colors
SimuStrobe Alternating Amber/Red/Blue/Green Colors
Strobe/Flash Alternating Amber/Red/Blue/Green Colors
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