Label Color State Function
Channels
Green On Telephone in off-hook position or ringing.
Red On Line malfunction.
- Off Normal.
3.1.2 MP-124 Rear Panel
The rear panel of the MP-124 provides the port interfaces. The MP-124 is available as
either an AC-powered or DC-powered device.
DC-powered model:
Figure 3-3: Rear Panel of MP-124 DC Powered Model
The table below describes the MP-124 rear panel components.
Table 3-2: MP-124 Rear-Panel Description
Item # Label Component Description
1
Protective earthing screw (mandatory for all
installations). Accepts a 6-32 UNC screw.
2
100-250 V~50 - 60Hz
2A
AC power supply socket.
Note: Applicable only to the AC-powered model.
48V 1.3A
DC inlet for a DC terminal block.
Note: Applicable only to the DC-powered model.
3
ANALOG FXS
LINES 1–24
50-pin Telco connector for 1-24 analog lines.
4
RS-232
9-pin RS-232 port.
5
ETHERNET
10/100Base-TX Ethernet RJ-45 port.
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