What RJ11 Cables Should I Use? Post: 302916735

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Special Forums IP Networking What RJ11 Cables Should I Use? Post 302916735 by hicksd8 on Thursday 11th of September 2014 03:16:02 PM

09-11-2014

Moderator

The answer to this question depends on which country you are in and the standards used by that country.

In the UK (where I am) the line from the telephone company is two core and this (normally) connects directly to the master (first) telephone socket on the premises. If there are second and more handsets on the line then four cores go on from this master socket to the second and subsequent sockets. One of these extra cores carries the 'ring' signal.

So, if you are only dealing with master sockets then two core RJ11 will be fine, but if you were plugging a modem into an extension socket it should still work but may NOT see an in-bound ring signal (assuming the Zoom modems are working to that country standard too).

Buying 4-core RJ11 is the safe option as extraneous cores would simply not be used on a master socket connection.

Hope that helps.

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papi_hw_info_t

PAPI_hw_info_t(3)						       PAPI							 PAPI_hw_info_t(3)

NAME

       PAPI_hw_info_t -

       Hardware info structure.

SYNOPSIS

   Data Fields
       int ncpu
       int threads
       int cores
       int sockets
       int nnodes
       int totalcpus
       int vendor
       char vendor_string [128]
       int model
       char model_string [128]
       float revision
       int cpuid_family
       int cpuid_model
       int cpuid_stepping
       int cpu_max_mhz
       int cpu_min_mhz
       PAPI_mh_info_t mem_hierarchy
       int virtualized
       char virtual_vendor_string [128]
       char virtual_vendor_version [128]
       float mhz
       int clock_mhz
       int reserved [8]

Field Documentation
   int PAPI_hw_info_t::clock_mhz
       Deprecated

   int PAPI_hw_info_t::cores
       Number of cores per socket

   int PAPI_hw_info_t::cpu_max_mhz
       Maximum supported CPU speed

   int PAPI_hw_info_t::cpu_min_mhz
       Minimum supported CPU speed

   int PAPI_hw_info_t::cpuid_family
       cpuid family

   int PAPI_hw_info_t::cpuid_model
       cpuid model

   int PAPI_hw_info_t::cpuid_stepping
       cpuid stepping

   PAPI_mh_info_t PAPI_hw_info_t::mem_hierarchy
       PAPI memory heirarchy description

   float PAPI_hw_info_t::mhz
       Deprecated

   int PAPI_hw_info_t::model
       Model number of CPU

   char PAPI_hw_info_t::model_string[128]
       Model string of CPU

   int PAPI_hw_info_t::ncpu
       Number of CPUs per NUMA Node

   int PAPI_hw_info_t::nnodes
       Total Number of NUMA Nodes

   float PAPI_hw_info_t::revision
       Revision of CPU

   int PAPI_hw_info_t::sockets
       Number of sockets

   int PAPI_hw_info_t::threads
       Number of hdw threads per core

   int PAPI_hw_info_t::totalcpus
       Total number of CPUs in the entire system

   int PAPI_hw_info_t::vendor
       Vendor number of CPU

   char PAPI_hw_info_t::vendor_string[128]
       Vendor string of CPU

   char PAPI_hw_info_t::virtual_vendor_string[128]
       Vendor for virtual machine

   char PAPI_hw_info_t::virtual_vendor_version[128]
       Version of virtual machine

   int PAPI_hw_info_t::virtualized
       Running in virtual machine

Author
       Generated automatically by Doxygen for PAPI from the source code.

Version 5.2.0.0 						  Tue Jun 17 2014						 PAPI_hw_info_t(3)