5.7 Installing the External Paging Speaker/External MOH/BGM Sources
5.7.1 Connecting the Audio Equipment
• The trunk ports CO2 to CO4 can be used for audio port (External paging, External MOH, BGM)
• Audio port configuration is assigned using system programming.
• External paging can be set for the 408M-A1 PCB of each KSU except 3rd Expansion KSU.
• The External MOH and BGM can be set for the 408M-A1 PCB of the Main KSU only.
Wire position for each port Trunk port position
CO2 or Audio in/out
(External paging)
CO3 or Audio in
(External MOH)
CO4 or Audio in
(BGM)
CO1CO2CO3CO4
TR
T
CO2
(Non polarity)
Paging system Audio resource
CO3, CO4
RTR
Modular cable
(2-wire, Straight)
Figure 2-130 Connecting Audio Equipment
5.7.2 External Paging Output Specifications
Table 2-26 External Paging Output Specifications
Item
Specification
Output Impedance 600 Ω @ 1kHz
Output Level Nominal 250 mV (-10 dBm)
ISSUE 3.0 SL1000
Hardware Manual 2-87