Aiphone TC-20GA Instruction Manual
Special
Order
Products
TC-20GA
20 Call Add-on Selector Modified for an Additional Add-on Selector
- SUPPLEMENT TO TC-M INSTRUCTIONS -
The TC-20GA add-on selector is designed to function with the TC-M Internal Phone System to allow a
second add-on selector to be connected. A system with a maximum of 80 stations may be configured with
this unit. All standard TC-M system accessories can be used in conjunction with the add-on selectors.
SYSTEM LAYOUT:
80 station TC-M system
(TC-20M with TC-20GA and TC-40G)
Individual Components for System:
TC-nM Master station (10, 20)
TC-nG Add-on selector (20, 40)
TB-SE Handset sub station
PS-1820UL 18V DC, 2A Power Supply
TB-AD1 1 Audio Door Adaptor
TB-AD10 10 Audio Door Adaptor
TB-ADM10 10 Video Door Adaptor
TAR-3 External signaling relay
SKK-620 6V DC, 200 mA power supply for TAR-3
TC-M TERMINAL DEFINITIONS:
+ Power input (18V DC or 16V AC)
- Negative
1~40 Station number
E Common communication
M,C Master-to-Master communication
T Transmit to door station
R Receive from door station
S, S Output to call extension speaker or relay
SPECIFICATIONS:
Power Source: 18V DC, 350 mA or 16V AC, 750 mA. Use PS-1820UL or 16V AC Transformer (Not Supplied by Aiphone)
Consumption: 6W max. 3W (standby)
Calling: TB-SE sub's call-in is annunciated with intermittent tremolo tone and a red LED, both continuing
until the call is answered or the TB-SE handset is hung up. Door station call-in is
annunciated with intermittent tremolo tone and a red LED, continuing for approximately 40 seconds.
Communication: Master to TB-SE: Simultaneously by handset
Master to door station: Simultaneous. Master uses handset, door station is hands free.
Wiring: 2 conductors homerun from TB-SE to master
2 conductors homerun from door station to adaptor
5 conductors TC-nM to TB-AD1
14 Conductors TC-nM to TB-AD10
14 conductors TC-nM to TB-ADM10, Plus 6 conductor TB-ADM10 to MYH-CU
Pg. 1
WIRING DIAGRAM: TC-M SYSTEM CAPABLE OF 80 SUB STATIONS
PS-1820UL
+
-
TC-20M
1
E
2
E
~
20
E
R
12+
12-
AC/
DC
Input
TB-SE
1
2
TB-SE
1
2
TC-20GA
1
E
2
E
~
20
E
TB-SE
1
2
TB-SE
1
2
TC-40G
1
E
2
E
~
40
E
TB-SE
1
2
TB-SE
1
2
OPERATION (Answering a call):
* POWER SWITCH ON THE BACK OF THE MASTER MUST BE ON FOR SYSTEM TO BE OPERABLE.
1. When a sub station calls in, pick up the handset and press the selector button corresponding to the lit LED.
2. Speak to the person at the remote station through the handset. The person at the remote station speaks into their
handset or may speak handsfree through door stations.
3. When the conversation is completed, hang up the handset.
OPERATION (Transfering a call):
1. Answer the incoming call from the TB-SE. (Door station calls are not transferable).
2. Select the TB-SE that you want to transfer the call to.
3. After transferee answers the master's incomming call, press the "TRANSFER" button.
4. Reselect the original sub station. All three parties are on the line (Original TB-SE, transferee TB-SE and master)
5. The master may hang up, and the people on the TB-SE's can talk.
For additional information about this system,
please refer to the TC-M instructions.
CAUTION
* Do not connect any incomming AC wires to any terminal on any unit, as damage may occur.
Connect only specified power source to + and - terminals.
* Do not install more or different power sources than specified for the system.
* Do not attempt to install or connect wires on the TBM system while the system's power supply is plugged in.
* TBM masters and related equipment, unless specified as "weather resistant", are designed for indoor use only. Door stations (IF-DA, IE-JA,)
may be installed outdoors in a protected area. Do not expose any equipment directly to rain or extreme weather conditions.
IMPORTANT
* Any other manufacturer's products installed with the system (power supply, external device, etc.) are not covered under Aiphone's warranty.
* Do not mount TBM equipment in the following places, as it may cause the system to malfunction:
* TBM units are electronic devices, which must not be subjected to water or any other liquid.
* Severe weather conditions, such as lightning storms, may cause damage to TBM equipment. We recommend that power surge protection be
installed to minimize potential component level damage.
- High or extreme cold temperature areas: under direct sunlight, near equipment that varies in temperature, in front of air conditioner,
inside a refrigerated area, etc.
- Places subject to moisture or humidity extremes.
- Places subject to environmental conditions, such as dust, oil, chemicals, salt, etc.
- Install the SA-1 surge arrestor to protect the power supply from a surge.
- Additional SA-1 surge arrestors should be installed on all communication lines (one SA-1 for every two connected to master.).
Aiphone Communication Systems
1700 130th Ave. N.E.
Bellevue, WA 98005
(425) 455-0510
FAX (425) 455-0071
TOLL FREE TECHNICAL SUPPORT:
(800) 692-0200
TOLL FREE FAX LINE:
(800) 832-3765
E-MAIL: tech-serv@aiphone.com
TC-20GA Instr.
Pg. 2
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