The grounding and lightning protection cabling setup for MP-124 Rev. D depends on
whether AudioCodes orderable FXS Patch Panel (see Section 5.1.1.1) or a third-party MDF
(see Section 5.1.1.2) is used.
5.1.1.1 Power Surge Protection and Grounding Connected to MDF through
AudioCodes FXS Patch Panel
Figure 5-1: MP-124 Rev. D Surge Protection and Grounding using AudioCodes FXS Patch Panel