N.O.
N.C.
Switch Position Description
1 OFF
Latch commands (10 & 19) enabled (factory
default)
1 ON Latch commands are disabled
2 OFF
Ring delay = 15 (no rotary switches set to C,
factory default)
2 OFF Ring delay = 2 (any rotary switch set to C)
2 ON Ring delay = 6 (no rotary switches set to C)
2 ON Ring delay = 1 (any rotary switch set to C)
3 OFF
Unlimited number of closures during access
time (factory default)
3 ON
One closure per correct access code during
access time (no rotary switches set to D)
4 OFF (Not used in Legacy Programming Mode)
4 ON (Not used in Legacy Programming Mode)
5 OFF Legacy Programming Mode (factory default)
5 ON Alternative Programming Mode
6 OFF Acknowledgement tones OFF
6 ON
Acknowledgement tones ON (factory de-
fault)
7 OFF Auto-answer OFF (factory default)
7 ON Auto-answer ON
4
DIP switches 1-7 may be used to change the operation of the RC-2A (see below).
B. DIP Switch Settings
Note: DIP switches are shown in factory
default settings.
If this DIP switch is in the ON position, the relay will not be able to be latched (maintained) and command
codes 10, 19 and 1# will be ignored.
Switch 1: Latch Commands
The ring delay is the number of incoming rings before the RC-2A automatically answers the line. The RC-2A
answers on the fifteenth ring by default. This can be changed to the first, second or sixth ring by following the
instructions above for DIP switch 2 and rotary switch positions.
Switch 2: Ring Delay
If this DIP switch is placed in the ON position, only one closure will be allowed during the access.
Switch 3: Closure Limitations
If this DIP switch is in the OFF position, the RC-2A is in the “Legacy Programming Mode”. In the ON position,
the RC-2A is in the “Alternative Programming Mode”.
Switch 5: Selecting Modes
With DIP switch 6 in the OFF position, acknowledgement tones (beeps for relay confirmation, etc.) are turned
off. With DIP switch 6 in the ON position, acknowledgement tones are on.
Switch 6: Relay Acknowledgement Tones
With DIP switch 7 in the OFF position, the automatic phone line answering feature is turned off. With DIP
switch 7 in the ON position, the automatic phone line answering feature is turned on. See DIP switch 2 and
rotary switch positions for ring delay (total number of incoming rings before the unit automatically answers the
line).
Switch 7: Automatic Answer
This DIP switch is only used in the “Alternative Programming Mode” and has no function in the “Legacy Mode”.
Switch 4: Relay Activation Times
(12 pages)
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