4
Note:
The following PIDs (example: 4100-1312/1361) are compatible with all options
(including the CSNAC option) and 4100U Master Firmware Revision 11.08 or
later.
•
4100-1312/1361 Analog Flex-50/Flex-35 Amp (25 VRMS)
•
4100-1313/1362 Analog Flex-50/Flex-35 Amp (70 VRMS)
•
4100-1326/1363 Digital Flex-50/Flex-35 Amp (25 VRMS)
•
4100-1327/1364 Digital Flex-50/Flex-35 Amp (70 VRMS)
Figure 2. Flex Amplifier with CSNAC Compatibility
For LED descriptions, see the “LED Indications” section at the end of this document.
Introduction to the Flex Amplifiers,
Continued
Flex Amplifiers
Compatible with
CSNAC Option
NAC STATUS
LEDs (LED 5-7): LED
ON when NAC is ON
or in trouble
NAC/POWER
STAGE LEDs
(LED 8-10): LED ON
when NAC is routed
to PS2
SPEAKER CIRCUIT TERMINAL BLOCK (TB1)
XNAC/CLASS A
ADAPTER
HEADER (P4)
INPUT TROUBLE
LED (LED 1)
COMM TROUBLE
LED (LED2)
OUTPUT 2
TROUBLE LED
(LED4)
OUTPUT 1
TROUBLE LED
(LED3)
ADDRESS/BAUD
RATE DIP SWITCH
(SW1)
POWER STAGE 2
FAIL SWITCH (SW3)
and
POWER STAGE 1
FAIL SWITCH
(SW2):
To test backup audio
switching, press and
hold switch until OUT
TBL LED illuminates
(20 seconds).
firealarmresources.com
