Toa TD-600 Operating Instructions Manual
OPERATING INSTRUCTIONS
TOA INTERCOM SYSTEM
TELEPHONE LINE INTERFACE
TD-600
Please follow the instructions in this manual to obtain the optimum results from
this manual.
We also recommend you to keep this manual handy for future reference.
TOA Corporation
CONTENTS
General description
Part description
Connections
1. Power connection
2. Intercom line connection
3. Telephone line connection
4. Facsimile connection
Exchange DIP switch setting and programming
Signal mode adjustment and setting
1. Receiving sound volume adjustment
2. Adjustment of current supplied to telephone
3. Jumper wire connection
4. Polarity reverse signal control
Call operations
Installation
Specifications
Accessories
2
3
4
4
5
6
6
7
8
9
10
10
11
12
12
GENERAL DESCRIPTION
By using the TD-600 telephone interface in conjunction with TOA' s intercom exchange,
a pushphone (*DTMF) can be used as a handset intercom station. Two pushphones can
be connected per interface.
DTMF=Dual tone multi-frequency
– 2 –
PART DESCRIPTION
[Front view]
Power indicator
[Rear view]
CH1 telephone
hook-off indicator
Earth terminal
(Be sure to ground.)
CH2 intercom line terminal
CH2 telephone line terminal
CH2 telephone
hook-off indicator
Power supply terminal
CH1 intercom line terminal
CH1 telephone line terminal
– 3 –
CONNECTIONS
1. Power connection
24V DC power supply
[AD-242A (2.5A) etc]
TD-600
2. Intercom line connection
2. 1 When using EXES-6000 exchange
EXES-6000
series exchange
CH2 intercom line terminal
YR-810/801
TD-600
CH1 intercom line
terminal
Twisted pair cable etc.
BX-610/620
– 4 –
2.2
When using EX-200 exchange
TD-600
EX-200 exchange
Perform jumper wire settings as instructed in page 9.
Note:
Telephone line connection
3.
LM-20
CH2 intercom line terminal
intercom line
terminal
Twisted pair cable etc.
CH2 telephone line terminal
Usable telephones
1) DTMF type
2) Type with line impedance of 600
TD-600
CH1 telephone line
terminal
DTMF telephone
– 5 –
Facsimile connection
4.
TD-600
CH2 telephone line terminal
To facsimile line
CH1 telephone line terminal
terminal
Note:
Usable facsimiles are restricted that selecting signal is transmitted a pushphone.
EXCHANGE DIP SWITCH SETTING
AND PROGRAMMING
Facsimile
Al l the lines or exchanges to connect the TD-600 should be set to the continuous call tone.
1. When using EX-200 exchange
Perform the handset station registration with the station No. 24.
Handset station No. Handset station No.
2. When using EX-600 exchange
Set the DIP swtich (SW-B-1) of CP-60 to ON to select the continuous call tone.
3. When using EX-610/620/630 exchange
Set the DIP swtich (SW-E-8) of CP-66 to ON to select the continuous call tone.
– 6 –
SIGNAL MODE ADJUSTMENT AND SETTING
Perform the signal mode setting before the final installation or wiring work because the
setting requires the removal of the top cover.
Remove side plate screws (four places).
Detach the top cover.
1. RECEIVING SOUND VOLUME ADJUSTMENT
The receiving sound volume can be adjusted in 8dB steps by switching SW3 setting
as shown in the figure below.
Position of SW3 is factory-preset to "1".
Note:
Position of SW3
1
2
3
4
Position 1 of SW3 is set to 0dB.
Receiving sound volume step
0dB
+
8dB
+
16dB
+ 24dB
[Rear]
[Front]
– 7 –
2. ADJUSTMENT OF CURRENT SUPPLIED TO TELEPHONE
The distance between the TD-600 and telephone can be made greater by making switch
positions of both SW1 and SW2 identical to adjust the current to be supplied to the
telephone. See the table below.
The line loop resistance is factory-preset to 0~1500
Positions of SW1/SW2
1
2
3
Line loop resistance ( )
0~1500
1500~2000
2000 or more
[Rear]
[Front]
– 8 –
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