DISA is enabled on a trunk by trunk basis in Mode 35-tk-04. The options are as follows:
IP
Day Time Night Time
0
Disable Disable
1
Disable DISA Enable
2
DISA Enable Disable
3
DISA Enable DISA Enable
4
Disable ECF Enable
5
ECF Enable Disable
6
ECF Enable ECF Enable
7
DISA Enable ECF Enable
8
ECF Enable DISA Enable
Programming Single Digit DISA
Single Digit DISA uses all the same programming modes plus the following
Set mode 05-11-08 to enable single digit DISA and select which time periods single Digit DISA will be activated
(Day/Night etc)
Mode 10 selects the destination of each single digit dialed by the caller. The digits 1 to 5 are available for use. To call
any extension in the system direct when single digit is enabled the caller should first dial 6 followed by the full
extension number.
Example
10-gp-IP S.D.I.
511 513 522 600 000
In the above example an incoming DISA caller who dials 1 will call station 511, dialing 2 will call station 513, 3 will call
Station 522. 600 has been assigned as a Hunt Group Pilot number so a DISA caller dialing 4 will call the Station
hunting group which has 600 as it's pilot Number. Dialing 5 will allow the caller to dial the full extension number of any
extension, which starts with 5, e.g. 555. Pilot numbers are set in Mode 67 and Hunt groups are programmed in Mode
68 and 69.
Installing ACP’s
The ACP is similar in appearance to a normal door phone with a numeric keypad, 2 extra keys (Call and PRG) and a 4
character LED display. The ACP has a built in relay, a sensor output and a case alarm for security.
The ACP phone can be connected to any Digital port up to the maximum number of ports available minus One. It is
recommended that one Digital phone be provide for programming so that changes can be made and registration of
cards done easily on site.
It is not weatherproof and must be mounted in a sheltered location. For better weather resistance without the security
features there is also available a digital door phone with a metallic case, a single button and no LED display.
About security
The ACP has a built in relay which can be used to unlock the associated door. However, where security is an issue
the system can be programmed to use the relay on the optional MSU card. Because the ACP can be vandalized by
unauthorized users to short out the relay contacts there is also a case alarm. It is an Opto coupler on the circuit board
with a plastic moulding on the case which keeps the Opto coupler permanently open. Even a small movement of the
case compared to the mounting bracket will send an alarm to the system.
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