GAI-Tronics 10959-904 Manual - Página 11

Navegue en línea o descargue pdf Manual para Equipos de grabación GAI-Tronics 10959-904. GAI-Tronics 10959-904 20 páginas. Wall-mount audio messenger interface

Imprimir página

Models 10959-903 and 10959-904 Wall-Mount Audio Messenger Interface

Configuration

Opening the Unit

1. Loosen the four screws on the front cover.

2. Open the hinged front cover of the enclosure and turn it to the left.

Figure 4. AMI (open with connections, adjustments, and PCBAs labeled)

600-Ohm Line Termination Jumper Setting

Terminate the 600-ohm audio lines with 600 ohms for impedance matching. Use jumper P5, located on

the termination board to enable/disable impedance matching on the 600-ohm audio line connections (see

Figure 4 and Table 5).

Jumper

Output

TB3-1, 2

600 ohms

P:\Standard IOMs - Current Release\42004 Instr. Manuals\42004-442D.docx

10/18

Table 5. Termination PCBA—P5 Jumper Function

Position

Function

1-2

600-ohm resistor connected (ADVANCE position)

2-3

default: unterminated

Pub. 42004-442D

Page 9 of 17