Inter-M ARM-911 - Manual (Page 9)

AUTOMATED REMOTE MESSAGE
6 ARM-911
8. TEL IN
Connect to a telephone exchange system for paging purposes.
If a DTMF signal is inputted, then the unit decode the DTMF tone and play the corresponded file which is in
the SD card.
9. TEL VOLUME
Turn the volume clockwise to increase the volume.
Turn the volume counter-clockwise to decrease the volume.
10. AUX1 INPUT
Connect AUX signal source to this terminal. The input sensitivity can be set using GUI (Graphic User
Interface), -50dBu, -10dBu or +4dBu. When use a microphone, the phantom power can be set using GUI.
The phantom power is 12V.
This input is activated by sensing the signal level so that the input is on or off by the input Signal level. When
the input contact is closed, the input is activated so that the input can be controlled by the input contact.
NOTE: DO NOT turn on the phantom power when the input is not used for the phantom microphone.
11. AUX2 INPUT
Connect AUX signal source to this terminal. The input sensitivity can be set using GUI (Graphic User
Interface), -50dBu, -10dBu or +4dBu. When use a microphone, the phantom power can be set using GUI.
The phantom power is 12V.
This input is activated by sensing the signal level so that the input is on or off by the input signal level. When
the input contact is closed, the input is activated so that the input can be controlled by the input contact.
NOTE: DO NOT turn on the phantom power when the input is not used for the phantom microphone.
12. AUDIO OUTPUT
This is the audio output terminal. The output level can be controlled by GUI (Graphic User interface).
13. RS-232C TERMINAL
This terminal allows control by a remote controller such as AMX / CRESTRON etc. The control protocol can
be downloaded from the home page. (www.inter-m.com)
The maximum cable length should be below 15m.
14. SERVICE TERMINAL
This terminal is used for the software upgrade.
15. NETWORK TERMINAL
10/100 Base-Tx is supported.
16. RESET
Use this reset switch to make this unit to factory default setting.
Pin 1 2 3 4 5 6-9
Purpose X Receive Transmit X Ground X