Comelit 1404 Podręcznik techniczny - Strona 3
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Description
Product number 1404 is an audio/video switching device for use in Simplebus 2 systems. To be used in systems with more than
one entrance.
1. DL1 indicator LED
off: switching device on secondary external unit
steadily lit: switching device on main external unit
flashing: LP line missing or short-circuited/reset (only with R.I. 002)
2. Dip-Switches S1, S2 for setting the range of user or zone addresses
3. Dip-Switch S3
DIP 1, 2 for selecting the operating mode
Mode
Standard (default)
TOP1
TOP2
TOP3
DIP3 for zone address management
•
OFF for zone addresses from 1 to 250 (default)
•
ON for zone addresses from 251 to 500
DIP4 for managing connection on the LS line
•
OFF external unit on the LS section (default)
•
ON no external unit on the LS section (power supply unit Art. 1209 or Art. 1210/1210A required)
If there is no secondary external unit, set DIP4 to ON
4. Terminal block M1
LM LM riser Bus line output
LS LS secondary Bus line input normally switched to LM LM (with DIP4 of S3 to OFF) or power supply Art.
1209/1210/1210A input (with DIP4 of S3 to ON)
LPin LPin main Bus line input (normally open on LM LM)
LPout LPout main Bus line for cascade distribution
5. JP1 jumper for video closure
in position A for all Art. 1404 if star type system configuration is used
in position A for only the last Art. 1404 if cascade type system configuration is used
in position B in all other cases
Art. 1404 must be wired with Art. 1209/1210/1210A or exiting the mixer Art. 4888C.
The maximum number of switching devices Art. 1404 that can be connected to Art. 1210/1210A or
Art. 4888C is 40 units.
1.
2.
MIN
ON
ON
DL1
1
2
3
4
5
6
7
8
S1
S2
M1
LM
LM LS
LS
DIP1
DIP2
OFF
OFF
ON
OFF
NOT FOR USE
OFF
ON
MAX
1
2
3
4
5
6
7
8
S3
B
JP1
A
LPin
LPout
3.
4.
5.