Analog Fast Track Guide   2. Installing the MediaPack 
Version 5.0  15  October 2006 
2.2.4 Cabling the MP-124 
Figure  2-11 illustrates the rear panel of the MP-124. For descriptions of the MP-124 rear panel 
components, refer to Table  2-5. 
Cable your MP-124 according to each section of Table  2-6. 
Figure  2-11: MP-124 (FXS) Rear Panel Connectors 
 
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 FXS LINES 1 –24 
50-pin Telco for 1 to 24 analog lines. 
5 
RS-232 
9-pin RS-232 status port. 
6 
ETHERNET 
10/100 Base-TX Ethernet connection. 
Table  2-6: MP-124 Cables and Cabling Procedure 
Cable  Cabling Procedure 
Protective 
earthing strap 
Connect an earthed strap to the chassis protective earthing screw and fasten it securely 
according to the safety standards. 
RJ-45 Ethernet 
cable 
Connect the MP-124 Ethernet connection directly to the network using a crossover 
RJ-45 Ethernet cable. For connector pinouts, refer to Figure  2-12 below. 
Note that when assigning an IP address to the MP-124 using HTTP (under Step  1 in 
Section  3.1.1), you may be required to disconnect this cable and re-cable it differently. 
50-pin Telco 
cable (MP-124 
devices only). 
 
 
An Octopus 
cable is not 
included with 
the MP-124 
package. 
Refer to the MP-124 Safety Notice below. 
1.  Wire the 50-pin Telco connectors according to the pinouts in Figure  2-13 on page 16, 
and Figure  2-14 on page 17. 
2.  Attach each pair of wires from a 25-pair Octopus cable to its corresponding socket on 
the MDF Adaptor Block’s rear. 
3.  Connect the wire-pairs at the other end of the cable to a male 50-pin Telco 
connector. 
4.  Insert and fasten this connector to the female 50-pin Telco connector on the  
MP-124 rear panel (labeled Analog Lines 1-24). 
5.  Connect the telephone lines from the Adaptor Block to a fax machine, modem, or 
telephones by inserting each RJ-11 connector on the 2-wire line cords of the POTS 
phones into the RJ-11 sockets on the front of an MDF Adaptor Block as shown in 
Figure  2-14 on page 17. 
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