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826
Jumper settings and programming:
Program the 2 special service codes, carefully following the
instructions provided in the section headed “Programming - Indirect
Drive”, steps 1, 2 and 3.
Programming must be performed by making two calls (thus
transmitting the fi rst and second codes) to two different apartment
stations from any main entrance panel.
Connection for case 2):
Jumper settings and programming:
Program the 2 special service codes, carefully following the
instructions provided in the section headed “Programming - Indirect
Drive”, steps 1, 2 and 3.
During programming, the fi rst code must be simulated by pressing
key A on any doorphone, while the second code must be
simulated by pressing key A on another doorphone (
not the same
doorphone).
Connection for case 3):
NOTE:
Special services decoder unit 826/54 is not used in this case.
RELAY FOR SPECIAL VIDEO DOORPHONE
SYSTEMS Ref. 1032/9
Relay Ref. 1032/9 can be used in special Scaibus System installations
with 12 V DC power supply, or in second-generation Model 826 Digital
Call System installations with 24 V DC power supply.
The relay consists of the following:
•
Shock-proof plastic wall mounting cover (1).
•
Circuit with four-pole switching relay and connection terminal blocks
(2,3,4)
•
Base (5).
SPECIFICATIONS
Operating voltage:
12V DC +/- 10%
24 V DC +/- 10%
Stand-by current draw:
4 mA
Current draw with relay energized:
27 ma
Service temperature range:
-10°C to 45°C
Maximum switching voltage rating:
24 V DC
Maximum switching current rating:
2A DC
Dimensions in mm:
Width
79
Height
87
Thickness
43
OPERATION
Relay is energized when terminals Ra and Rb are closed to ground
(-12V or -24V) at the same time.
There are four independent relay poles.
Pole V features provision for switching a video system coaxial cable.
PT1
PT2
PT3
X
X
SPECIAL SERVICES
DECODER UNIT
Ref. 826/54
TO SUPPLEMENTARY
RINGER CIRCUIT
PT1
PT2
PT3
X
X
X
788/5
RELAY Ref. 788/5
GUARD DOOR
SWITCHBOARD
STATION Ref. 826/18
TO SUPPLEMEN
RINGER CIRCUIT
RELAY FOR SPECIAL VIDEO DOORPHONE SYSTEMS Ref. 1032/9
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MT124-019
Summary of Contents for 826 DIGITAL CALL SYSTEM
Page 1: ...Model 826 DIGITAL CALL SYSTEM http www urmetdomus com e mail info urmetdomus it MT 124 019 ...
Page 9: ...1 1 MT124 019 Section 1 PRODUCT ...
Page 79: ...Section 2 INSTALLATION DIAGRAM 2 1 MT124 019 ...
Page 80: ...CONTENTS Model 826 DIGITAL CALL SYSTEM 2 2 MT124 019 ...
Page 83: ...826 PARALLEL CONNECTIONS 2 5 MT124 019 ...
Page 89: ...826 DOORPHONE SYSTEMS 2 11 MT124 019 ...
Page 103: ...826 DOORPHONE SYSTEMS WITH GUARD DOOR SWITCHBOARD STATION 2 25 MT124 019 ...
Page 111: ...826 VIDEO DOORPHONE SYSTEMS 2 33 MT124 019 ...
Page 118: ......