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Page 16
MAN79 © CES 2009
Interconnect PTT in polarity (16#)
This code enables and disables the interconnect PTT input when a telephone interconnect (Phone Patch) is
connected via J1. To enable this feature enter the command code followed by the 1 or 0 (don’t forget to enter a #
(pound) between commands and that the end of the entry sequence.
16#0# = disabled
16#1# = enabled
Interconnect mode input polarity (17#)
This command is only used if an interconnect is used in conjunction with the RM-20. If an interconnect is used,
connect pin 3 of J1 to the connect circuit on the interconnect and program for the proper polarity. To program this
feature enter the c
ommand code followed by a 1 or 0, (don’t forget to enter a # (pound) key between commands and
the end of the entry sequence).
17#0# = active low
17#1# = active high
Interconnect COR out polarity (18#)
This output controls the interconnect mobile detect polarity (COR). To program this feature enter the command code
followed by a 1 or 0, (don’t forget to enter a # (pound) after each command and at the end of sequence).
18#0# = active low
18#1# = active high
Interconnect active timer (19#)
This timer will control the time period in which the RM-20 will stay inaccessible after a phone call is terminated.
This code is programmable for up to 90 seconds at 1 second intervals. If cover tones are used (code 20#2# ) set this
parameter to zero. To program this fea
ture enter the command code followed by the number of seconds. (don’t
forget to enter a # (pound ) key between commands and the end of the entry sequence).
19#3# = 3 seconds
19#0 through 90# = 0 through 90 seconds
Interconnect repeat (20#)
This parameter determines what audio is transmitted while an interconnect call is in progress. This feature consists
of three programmable parameters, Enabled, Disabled or Cover Tone. When enabled, the RM-20 will transmit both
(Land Line and Mobile Operator) sides of telephone interconnect audio. When Disabled, only the Land Line (Telco)
audio will be transmitted .If programmed for cover tone, the RM-20 will generate a series of short beeps over the air
while the mobile operator is transmitting. This serves as to indicate that the channel is in use while keeping the
mobile operator side of the audio muted for privacy purposes.
Note: I
F COVER TONE IS ENABLED
,
VERIFY THAT CODE
19# (
INTERCONNECT ACTIVE PERIOD
)
IS SET TO ZERO
. I
F CODE
19#
IS SET TO ANYTHING OTHER THAN ZERO
,
THE COVER TONES WILL BE TRANSMITTED OVER THE AIR UNTIL THIS TIME
EXPIRES
.
Morse code ID send (21#)
This code controls how often the Morse code identification is sent. There are four programmable parameters in this
feature, Off, Timer, COR inactive for 3 seconds, and Timer / COR inactive. When programmed for Timer the RM-
20 will ID at the interval that code 22# is programmed for. If programmed for COR inactive for 3 seconds, the RM-
20 will ID 3 seconds after COR has been inactive. Programming it for Timer/COR inactive for 3 seconds the RM-
20 will ID when the timer (code 22#) has expired and every time COR goes inactive for 3 seconds.
21#0# = off
21#1# = timer
21#2# = COR inactive for 3 seconds
21#3# = timer and COR inactive for 3 sec
.
