List of Figures 
Figure  3-1: Front Panel .......................................................................................................................... 13 
Figure  3-2: Rear Panel of AC-Powered MP-124 Rev. D Model ............................................................ 15 
Figure  3-3: Rear Panel of DC-Powered MP-124 Rev. D Model ............................................................ 15 
Figure  3-4: Rear Panel of MP-124 Rev. E Model .................................................................................. 16 
Figure  4-1: Desktop Mounting ............................................................................................................... 17 
Figure  4-2: Attached Brackets for Rack Installation .............................................................................. 17 
Figure  5-1: MP-124 Rev. D Surge Protection and Grounding using AudioCodes FXS Patch Panel .... 21 
Figure  5-2: MP-124 Rev. D Surge Protection and Grounding using Circa Directly to MDF .................. 22 
Figure  5-3: MP-124 Rev. E Surge Protection and Grounding using AudioCodes FXS Patch Panel .... 24 
Figure  5-4: MP-124 Rev. E Surge Protection and Grounding Connected Directly to MDF ................... 25 
Figure  5-5: RJ-45 Connector Pinouts for Ethernet Interface ................................................................. 26 
Figure  5-6: Connecting MP-124 to the Ethernet (e.g., Rev. E model) ................................................... 26 
Figure  5-7: 50-pin Telco Connector ....................................................................................................... 27 
Figure  5-8: Orderable FXS Patch Panel ................................................................................................ 28 
Figure  5-9: Connecting MP-124 Rev. D to FXS Patch Panel ................................................................ 29 
Figure  5-10: Connecting MP-124 Rev. E to FXS Patch Panel .............................................................. 30 
Figure  5-11: Connecting Analog Equipment to FXS Patch Panel ......................................................... 31 
Figure  5-12: Connecting MP-124 Rev. D Directly to MDF for FXS Cabling .......................................... 32 
Figure  5-13: Connecting MP-124 Rev. E Directly to MDF for FXS Cabling .......................................... 33 
Figure  5-14: 50-Pin Telco Cable Secured to Device's Connector using Orderable Velcro Strap ......... 34 
Figure  5-15: Removing Bail Locks from Telco Connector ..................................................................... 34 
Figure  5-16: Attaching Bracket over Telco Connector (e.g., Short Screws) .......................................... 35 
Figure  5-17: Feeding Velcro Strap through Bracket Slots ..................................................................... 35 
Figure  5-18: Sliding Cable through Velcro Strap ................................................................................... 35 
Figure  5-19: Attaching Cable Connector to Device's Telco Connector ................................................. 35 
Figure  5-20: Pulling Velcro Strap to Reduce Slack over Cable ............................................................. 36 
Figure  5-21: Feeding Velcro Strap through Strap Buckle ...................................................................... 36 
Figure  5-22: Attaching Velcro Strap to Itself .......................................................................................... 36 
Figure  5-20: Mini Patch Panel for FXS Interfaces ................................................................................. 37 
Figure  5-20: Connecting FXS Lines using Mini Patch Panel ................................................................. 38 
Figure  5-23: DB-9 Connector Pinouts for Serial Interface ..................................................................... 39 
Figure  5-24: Connecting MP-124 Rev. D for Serial Communication ..................................................... 39 
Figure  5-25: RJ-45 to DB-9 Serial Cable Adapter ................................................................................. 40 
Figure  5-26: Connecting MP-124 Rev. E for Serial Communication ..................................................... 40 
Figure  5-27: Connecting MP-124 to AC Power Supply (e.g., Rev. E model) ........................................ 42 
Figure  5-28: DC Terminal Block ............................................................................................................ 43 
Figure  5-29: Wired DC Power Terminal Block Connected to MP-124 Rev. D ...................................... 43 
 
 
 
 
List of Tables 
Table  1-1: MP-124 Models and Support .................................................................................................. 9 
Table  3-1: Physical Dimensions and Operating Environment ............................................................... 13 
Table  3-2: Front-Panel LED Description ................................................................................................ 14 
Table  3-3: MP-124 Rev. D Rear-Panel Description ............................................................................... 15 
Table  3-4:  MP-124 Rev. E Rear-Panel Description .............................................................................. 16 
Table  3-5: Rear-Panel Ethernet LEDs Description ................................................................................ 16 
Table  5-1: 50-pin Telco Connector Pinouts ........................................................................................... 27 
Table  5-2: RJ-45 to DB-9 Serial Cable Connector Pinouts ................................................................... 40 
Table  5-3: Power Specifications ............................................................................................................ 41