Handset/Speaker Connection - Fire-Lite 411UD Manual

Troubleshoot Mode
The secondary phone line may be tested by pressing the E key for touchtone dialing or the F key for rotary dialing
and then following the same procedure used for the primary phone line. A handset may be temporarily connected
across transformer T1 of the 411UD as indicated in Figure 3-2. The handset, when connected across T1, may be used
only as an amplifier/speaker or telephone with the keypad used for number dialing.

Handset/Speaker Connection

FIGURE 3-2:
J1
J2
TB2
U10
U8
PH1
U11
R41
Both Primary and Secondary Lines
PH2
TB1
J4
39
411UD Document #50759 Rev. E 12/09/2008 P/N 50759:E