AudioCodes MediaPack, Installation Manual

Page: 30 / 58

Installation Manual 30 Document #: LTRT-59811
MediaPack Series
2.2.4.3 Connecting MP-124 to FXS Interface
The MP-124 interfaces with the analog telephone interfaces by connecting to a main
distribution frame (MDF), using a 50-pin Telco cable.
MP-124 Safety Notice
To protect against electrical shock and fire, use a 26 AWG min wire to connect
analog FXS lines to the 50-pin Telco connector.
Warning: To reduce noise interference, use a twisted pair Octopus cable that is
terminated on a metal-hooded 50-pin Telco connector.
¾
To connect MP-124 to the FXS telephone interface:
1. Wire the 50-pin Telco connectors according to the pinouts in the table below:
Table 2-7: Pin Allocations of the 50-pin Telco Connector
Phone Channel Connector Pins Phone Channel Connector Pins
1 1/26 13 13/38
2 2/27 14 14/39
3 3/28 15 15/40
4 4/29 16 16/41
5 5/30 17 17/42
6 6/31 18 18/43
7 7/32 19 19/44
8 8/33 20 20/45
9 9/34 21 21/46
10 10/35 22 22/47
11 11/36 23 23/48
12 12/37 24 24/49
Figure 2-20: 50-pin Telco Connector (MP-124/FXS only)
2. Attach each pair of wires from a 25-pair Octopus cable (not supplied) to its
corresponding socket on the MDF adaptor block’s rear panel.
3. Connect the wire-pairs at the other end of the cable to a male 50-pin Telco connector
(not supplied).