TELOS TWOX12 USER’S MANUAL
INSTALLATION
CHAPTER 2 26
The correspondence between the interface slot to the system “Line” number for an analog
TWOx12 is illustrated in the following table:
Slot Designation Channel ID #
(Telephone #)
System “Line” #
A1 1 1
A2 2 2
A3 3 3
B1 4 4
B2 5 5
B3 6 6
C1 7 7
C2 8 8
C3 9 9
D1 10 10
D2 11 11
D3 12 12
The correspondence between slot designation, channel ID (phone number) and system “line”
number is shown above. See section 3 for a form you can fill out to organize this information prior
to programming the system.
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IMPORTANT!
When we say POTS lines we mean just that – Plain Old (analog loop start) Telephone
Service lines. These ports
must not
be connected to proprietary phone ports off a PBX. If you
are uncertain if it is a POTS line
don’t
connect it to the TWOx12! If it is not POTS it won’t
work, and it could cause damage to your system. You can easily check the type of line by
connecting a standard analog telephone to it and check to see if it works.
A rule of thumb – if it works with an analog modem or fax machine it's safe to connect it!
Most private PBX telephone systems can accommodate “analog ports” for analog “legacy”
equipment such as modems and fax machines. You will need such ports to connect a POTS
TWOx12 to most PBX’s.