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Physical Description
1
Protective earthing screw (mandatory for all installations). Accepts a 6-32 UNC screw.
2
(AC)
100-240V
50 – 60Hz 1.0A
(DC)
48V = 1.3A
AC power plug entry or DC inlet for terminal block (depending on ordered model).
Ready
LED (located on front panel):
Green On
Power received by device and normal operation
Amber Blinking
Loading software or initialization
Red On
Malfunction
Off
No power
3
ANALOG FXS
LINES 1-24
50-pin Telco connector providing up to 24 Foreign eXchange Subscriber (FXS) lines.
Channels 1-24
LED (located on front panel):
Green On
Phone in off-hook position or ringing
Red On
Line malfunction.
SRTP is enabled and device resources (DSPs) are currently
unavailable for calls on these ports (their resources are
"borrowed" for SRTP functionality). This LED state applies to
channel LEDs 19 to 24.
Off
Phone in on-hook position or not connected
Control
LED (located on front panel):
Green Blinking
Sending and receiving signaling (SIP) messages
Off
No SIP traffic
Data
LED (located on front panel):
Green Blinking
Sending RTP packets
Red Blinking
Receiving RTP packets
Off
No RTP traffic
4
RS-232
RS-232 serial interface port (RJ-45).
5
ETHERNET
10/100Base-T Ethernet port (RJ-45) for connecting to the IP network.
LAN
LED (located on front panel):
Green On
Ethernet link established
Red On
Malfunction
Off
No Ethernet link
MP-124 with DC Power
MP-124 with AC Power
2
1
3
4
5
