5
The XSIG card is a 4100 Comm slave according to the 4100 slave architecture. The card plugs
onto the Power Distribution Interface (PDI) that supplies card power and 4100 Comm
communications.
LEDs on the XSIG card are used to indicate card status. See Table 1.
Table 1. Status LEDs
*LED No.
Use
Interpretation
Color
2
On when the amplifier is not
communicating with the system CPU
ON Steadily during comm loss; flashing during
firmware failure.
Yellow
3
Status of audio NAC 1
ON Steadily when NAC is ON;
ON Steadily when NAC detects trouble.
Yellow
4
NAC1 routing relay status = routed
to Input 2 (audio use only)
ON Steadily when NAC1 is routed to Input 2.
Green
5
Status of audio NAC 3
ON Steadily when NAC is ON;
ON Steadily when NAC detects trouble.
Yellow
6
NAC2 routing relay status = routed
to Input 2 (audio use only)
ON Steadily when NAC2 is routed to Input 2.
Green
7
Status of audio NAC 2
ON Steadily when NAC is ON;
ON Steadily when NAC detects trouble.
Yellow
8
NAC3 routing relay status = routed
to Input 2 (audio use only)
ON Steadily when NAC3 is routed to Input 2.
Green
*
LED1 is not provided on the XSIG card.
Refer to Table 2 for electrical and environmental requirements.
Table 2. Electrical and Environmental Specifications
Electrical Specifications
Voltage
24 VDC from FACP (19-32 VDC)
Power Requirements
Supervision
Current
20 mA
Alarm Current
52 mA – Power Supply or 100 W Amplifier
80 mA – Flex-35 or Flex-50 Amplifier
NAC Specifications
DC Use
1.5 A maximum
Audio Use
1.5 A maximum, 50 W, OR 100 speakers (whichever comes first)
Environmental Specifications
Operating
Temperature
32
to 120
F (0
to 49
C)
Humidity
Up to 93% relative humidity at 90
F (32
C)
Introduction to the Expansion Signal Card,
Continued
XSIG Card Receives
Power and
Communications
from PDI
XSIG Card LEDs
Requirements
and Limitations
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