Справочник Пользователя для ADT Security Services 9600

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T-tapping of the SLC loop wiring is allowed for 2-wire (Style 4) configurations.  The total 
resistance of any branch cannot exceed 40 ohms.  The total wire length of all branches 
cannot exceed 10,000 feet (3,000 m).

Connecting external system accessories to the Unimode 9600 main circuits must be 
carefully considered to ensure proper operation.  It is important to use the correct type of 
wire, wire gauge and wire run length for each Unimode 9600 circuit.  Reference the chart 
below to specify wire requirements and limitations for each Unimode 9600 circuit.

Note: If the SLC loop is to be run in conduit with Notification Appliance Circuits, the risk 
of encountering problems can be greatly reduced by exclusively employing electronic 
sounders (such as MA/SS-24D) instead of more electronically noisy notification 
appliances such as electromechanical bells or horns.

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SLC loop

(power-limited)

Connects to 

Addressable 

Devices

Twisted, shielded pair, 40 

ohms maximum per length 

of Style 6 and 7 loops.  40 

ohms per branch maximum 
for Style 4 loops

1

10,000 (3,000 m)

8,000 (2,400 m)

4,875 (1,450 m)

3,225 (980 m)

12 AWG (3.25 mm



): Genesis 4410, 

     Signal 98230, Belden 9583, WPW999
14 AWG (2.00 mm



):Genesis 4408 & 4608 

      Signal 98430, Belden 9581, WPW995
16 AWG (1.30 mm



): Genesis 4406 & 4606

      Signal 98630, Belden 9575, WPW991

     Direct Burial Cable Isotec NP713110VNQ-S
18 AWG (0.75 mm



): Genesis 4402 & 4602

      Signal 98300, Belden 9574, WPW975

      Direct Burial Cable Isotec NP714110VNQ-S

Untwisted, unshielded pair

3,000 (900 m)

12-18 AWG (3.25 - 0.75 mm



)

ACS/TERM 

(EIA-485)

(power-limited)

Connects to 

annunciator 

modules and 

ADT-UDACT

Twisted, shielded pair with a 

characteristic impedance of 

120 ohms

6,000 (1,800 m)

18 AWG (0.75 mm



)

EIA-232

(power-limited)

connects to 

remote printer 

and PC computer

Twisted, shielded pair

50 (15 m)

18 AWG (0.75 mm



) minimum

MMF-300 and 

MMF-301

(power-limited)

Initiating Device 

Circuit

Maximum loop wire 

resistance is 40 ohms for the 

MMF-300 and 20 ohms for 

the MMF-301

2,500 (760 m)

12-18 AWG (3.25 - 0.75 mm



)

MMF-302

(power-limited)

Initiating Device 

Circuit

No more than a 2.4 volt drop 

allowed at end of circuit.  

Maximum loop wire 

resistance is 25 ohms

2,500 (760 m)

12-18 AWG (3.25 - 0.75 mm



)

CMF-300

(power-limited)

Notification 

Appliance 

Circuit

In alarm, no more than a 1.2 

volt drop allowed at end of 

circuit

Distance limitation 

set by 1.2 volt 

maximum line 

drop

12-18 AWG (3.25 - 0.75 mm



)

24 VDC 

filtered 

resettable

(power-limited)

Connects to 

4-wire smoke 

detectors

No more than 1.2 volt drop 

allowed from supply source 

to end of any branch

Distance limitation 

set by 1.2 volt 

maximum line 

drop

12-18 AWG (3.25 - 0.75 mm



)

24 VDC 

nonresettable

(power-limited)

Connects to 

control modules, 

annunciators and 

accessories

No more than 1.2 volt drop 

allowed from supply source 

to end of any branch

Distance limitation 

set by 1.2 volt 

maximum line 

drop

12-18 AWG (3.25 - 0.75 mm



)

CHG-120F

Remote 

secondary power 

source

12 AWG (3.25 mm



) in 

conduit

20 (6 m)

12-18 AWG (3.25 - 0.75 mm



)

Table Footnote

1. When using untwisted, unshielded wire, full conduit is recommended for optimum EMI/RFI protection.