Aiphone GH series operation manual Standard System 2 Station-to-Station Wiring

4-2
	a		b		c
	e
				1P
				NP		GH-1AD
			IN	OUT
			R1R2 R1R2 C CE		K KE
		1P
		NP
			R1, R2
	SW1
c	A	B
						GH-1KD
	IN	OUT	IN	OUT
	B1B2 B1B2		R1R2 R1R2 C CE		K KE
	1P		1P		[2]
	NP		NP
					K	KE
	SW1	B
	A
						GH-1KD
	IN	OUT	IN	OUT
	B1B2 B1 B2		R1 R2 R1 R2 C CE		K KE
					[2]
[1]	SW1		1P	1P
GH-1KD		B
	A		NP	NP
						SW1 A B Do not	remove the		wires (For end users)
							IN	OUT		0.65 10 9
						R1	R2	R1	R2	C CE	K KE
	IN	OUT	IN	OUT
	B1B2 B1 B2		R1 R2 R1 R2 C CE		K KE
GH-VBC					[2]
b GH-BC	1P
	NP				[3]
						GH-RY
	1P
	NP
		[4]			B	AC

4-1

Standard System (1)

[1]Entrance Station

[2]Door release timer (set to "M" at time of shipment)

•Set the duration for the door release function when the door release button is pressed.

[0.5] - [20]: 0.5 secs - 20 secs

[20]- [M]: Activates while the button is pressed.

[3] Setting switch (GH-DA)

•SW2: 1: Setting switch for camera entrance station monitoring function (set to OFF at time of shipment)

ON (Up): Monitored.

OFF (Down): Skipped at time of entrance station monitoring.

•SW2: 2 - 4: Entrance station number setting switch (set to #1 at time of shipment)

[4]External relay GH-RY For details, see 4-5.

[5]Door release relay contact

Less than AC/DC 24 V, 4 A (resistance load)

[6]Security guard station GH-MK

[7]Setting switch (GH-MK)

•SW1: 1: Password reset switch

Set the password reset switch to ON for 2 seconds or more during standby will reset the password (set to "∗1111" at time of shipment).

•SW1: 2, 3: Unused switch

•SW1: 4: Security guard station number setting switch (set to #1 at time of shipment)

[8]Doorbell button

[9]Power supply adapter PS-2410LC, PS-2410LD, PS-2410DIN

[10]Video bus control unit GH-VBC (SW: STD)

[11]Video bus control unit GH-VBC (SW: EXP)

•To use GH-VBC as an extension adapter, set the setting switch to "EXP."

[12]Bus control unit GH-BC

[13]Distribution terminal (junction): sold separately

NP: Non-polarized

4-2

Standard System (2) Station-to-Station Wiring

[1] Residential station GH-1KD, GH-1AD

•There can be a maximum of 25 stations per system.

•For the terminating residential station, set the setting switch to "A". [2] Short lead

•To use the emergency alarm switch (see 11-7 for details), disconnect the short lead and connect the switch.

[3]External relay GH-RY For details, see 4-5.

[4]Doorbell button

1. Do not mix station-to-station wiring with homerun wiring. 2. Station-to-station wiring is not possible for GH-1MD.

NP: Non-polarized

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