3  MP-124 Ports 
MP-124 provides ports on its rear-panel, a s shown below a nd described in the s ubsequent ta ble. 
 
 
 
 
 
1  Grounding lug 
2  DC powe r inlet 
3  50-pin female Telco connector, s upporting up to 24 FXS i nterfaces  
4  DB-9 pi n female connector for RS-232 serial interface  
5  RJ-45 Etherne t port (10/100BaseTX) 
4  Cabling and Installing MP-124 
 
Warnings:  
•  Prior to installing MP-124, proper grounding (earthing) and power-surge protection  mus t 
be done; refer to the Hardware Installation Manual for detailed instructions.  AudioCodes' 
will not bear responsibility to damage that may be ca used to the device a s a result of not 
complying with the instructions detailed i n the Hardware Installation Manual. 
•  Prior to connecting MP-124 to power, refer to the Compliancy and Regulatory Information 
document at www.audiocodes.com/library
. 
•  Connect MP-124 to a  s afety extra-low voltage (SELV) source that is sufficiently isolated 
from the mains. 
•  For FXS cabling, you ca n use your own third-party MDF connector cable or you ca n use 
AudioCodes' MP-124 FXS Pa tch Pa nel (ordered s eparately from AudioCodes). When using a 
thi rd-party MDF for FXS ca bling, to re duce noise i nterference, use a  twisted-pair Octopus 
cable terminated on a metal-hooded 50-pin Te lco connector. 
  To cable and  install MP-124: 
1.  Connect the Ethernet port to your LAN switch, using the RJ-45 Ethernet cable connector. 
2.  Connect MP-124 to FXS-based analog equipment (for example, telephone, fax, a nd modem): 
•  Third-party MDF: Us ing a twisted 25-pair Octopus ca ble, connect e ach wire  pair to i ts corresponding 
MDF adaptor block socket, and then connect the wire-pairs a t the other end  to a 50-pin male Telco 
connector. Connect this to the MP-124 50-pi n female Telco connector. Con nect your analog 
equipment to the MDF using RJ-11 cables.