Model M - Mediatrix S7 Series and Mediatrix S7 LP Series
21
Cables
FXS Connections (RJ-11)
Caution:
The RJ-11 cable should comply with UL 1863 and CSA C22.2 No 233 standards.
Caution:
Use standard telecommunication cables with a minimum of 26 AWG wire gauge.
Note:
The maximum standard FXS cable length is 450 m and the maximum LP FXS cable length
is 2 km.
Note:
The Mediatrix S7 LP supports longer FXS cables (up to 2 km) and offers an integrated
secondary lightning protection whereas the regular Mediatrix S7 does not support these features.
If you connect the unit to external lines, you must ensure to have primary protection.
The RJ-11 pair of wires is wired so that pins 3 and 4 are connected to the Ring and Tip, which meets
the EIA/TIA-IS 968 and CS-03 Issue 8, Part III requirements.
Pin #
Function
1
Not used
2
Not used
3
Ring
4
Tip
5
Not used
6
Not used
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