MP-1xx SIP
MP-1xx SIP User’s Manual 24 Document #: LTRT-65404
Table 2-5: MP-124 Rear Panel Component Descriptions
Item # Label Component Description
1
Protective earthing screw (mandatory for all installations).
2
100-250 V~
50 - 60 Hz 2A
AC power supply socket.
3 ANALOG LINES 1 –24
50-pin Telco for 1 to 24 analog lines.
4 Data Cntrl Ready
LED indicators (described in Table 2-6).
5 RS-232
9 pin RS-232 status port (for Cable Wiring of the RS-232 refer to Figure
3-10 on page 32).
6 Eth 1 Eth 2
Dual 10/100 Base-TX Ethernet connections.
48 V
2A max
Connection to external DC 40-60 V power supply (refer to Figure
3-9).
Note: The Dual In-line Package (DIP) switch, located on the MP-124 rear panel
(supplied with some of the units), is not functional and should not be used.
The Ethernet LEDs are located within each of the RJ-45 sockets.
Note that on the MP-124 the rear panel also duplicates the Data, Control and Ready LEDs from
the front panel.
Table
2-6: Indicator LEDs on the MP-124 Rear Panel
Label Type Color State Function
Green ON
Transmitting RTP Packets
Red ON
Receiving RTP Packets
Data
Packet Status
Blank
No traffic
Green Blinking
Sending and receiving H.323 messages
Cntrl
Control Link
Blank
No traffic
Green ON
Device Powered and Self-test OK
Orange ON
Software Loading/Initialization
Ready
Device Status
Red ON
Malfunction
Green ON
Valid 10/100 Base-TX Ethernet connection
Eth 1
Ethernet Status
Red ON
Malfunction
Green ON
Valid 10/100 Base-TX Ethernet connection
Eth 2
Ethernet Status
Red ON
Malfunction
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