ACM - Access Control Module(s)
12
LED and Beep Control
Switch 3 (S3) on the ACM controls the reader LED display and whether the reader
beeps on a card read.
TABLE 6.
S3 LED and Beep Control
The LED control is for read heads connected to the Wiegand (WG) ports. The LEDs on
read heads that are connected to the STARn ports are controlled by the RM-4 or RM-4E.
S3-1 and S3-2 provide the same LED control that is available on the RM-4 and RM-4E.
Table 7 shows the possible settings of S3-1 and S3-2.
TABLE 7.
S3 LED Control
External Bi-color LED
Control
If both switches are Off, the Function is External Bi-color, which refers to the two LEDs
(Red and Green) in the reader. The function is essentially Tri-color because in some
cases the LEDs will appear as Yellow.
S3-1
S3-2
S3-3
LED Control
LED control
Beep control
S3-1
S3-2
Function
OFF
OFF
External Bi-Color
OFF
ON
3-wire (R,G,Y)
ON
OFF
1 Wire (A,B,C)
ON
ON
1 Wire (A,B,C)
