Aiphone GH SERIES 0207 AIC - Manual (Page 25)

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Expanded System
1. Common trunk line: maximum of 2 trunk lines
2. Sub trunk line: maximum of 4 trunk lines
Maximum of 125 units (maximum of 48 units for standard
system)
• The wiring of the sub trunk line is the same as the standard
system. For details, see 4-1 to 4-3.
[1] Entrance Station
• Basic System #1 - #5
• Expanded System (#1 - #8) x 2
When installing multiple entrance stations, make sure to set
the GH-DA/A ID numbers (SW2).
[2] Security guard station GH-MK
• Standard System #1, #2
• Expanded System (#1, #2) x 2
When installing plural security guard stations, make sure to
set the ID numbers (SW1).
[3] Expanded video Bus control unit GH-VBX
Connector cable length: 40 cm (15-3/4")
[4] Expanded Bus control unit GH-BCX/A
For connecting the lift control adaptor GHW-LC, refer to the
GHW-LC Installation & Operation Manual.
[5] Bus control unit GH-BC
[6] Distribution terminal (junction): not included
[7] Power supply PS-2410LC, PS-2410LD, PS-2410DIN
NP: Non-polarized
NOTE: For communication between Entrance station and
Residential station, one each communication path is
available to "COMMON1 - SUB1" and "COMMON2 -
SUB2". In case of crossover communication such as
"COMMON1 - SUB2" or "COMMON2 - SUB1", it
occupies entire communication path in the system.
4-4 4-5
External Signaling Relay Connection
[1] Input wire (blue)
[2] Input wire (white)
[3] Output wire (orange)
[4] Output wire (orange)
[5] Timer (not included)
[6] Buzzer
[7] Entrance light
• GH-RY contact specifications: AC/DC 24 V, 0.5 A ([3], [4])
When connecting GH-RY to GH-1AD, GH-1KD, GH-1MD or
GH-MK, the separate option connector is required.
Please consult your AIPHONE Distributor.
[2] [1]
[4]
[3]
[5]
AC B
GH-RY
[6]
[7]