Emtech-electronics IA-204S Manuel d'utilisateur télécharger pdf (Page 10)

IA-204S

NOTE! When using the IA-204S with the RCM-42B Room Combining Matrix, you will need a single-pole, double-

throw center off switch to provide for control of the Room Combining feature. This switch connects to the same Room

Combining channel as the IA-204S.

Figure 5 shows the screw terminal connections for the IA-204S.

J1 10 PIN CONNECTOR

• Same as IA-204P

J2 7 PIN CONNECTOR

• PIN 1 Power supply ground

• PIN 2 Power Supply + input 24 vdc

• PIN 3 No connection

• PIN 4 Send-

• PIN 5 Send +

• PIN 6 Return –

• PIN 7 Return +

J3 For future expansion.

J4 3 PIN WHITE CONNECTOR: This connector is for the Emtech T-70V transformer connector. If you do

not order this transformer, a factory installed jumper is placed between pins 1 and 3.

J5 FOUR PIN CONNECTOR (See figure 6 for more information)

• PIN 1 Speaker A (+)

• PIN 2 Speaker B (-)

• PIN 3 Speaker B (-)

• PIN 4 Speaker A (+)

Figure 5. Rear View of IA-204 S Circuit Board

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Emtech-electronics IA-204S Manuel d'utilisateur Page 10