c. AN/TTC-30 CS numbering plan. We can program the AN/TTC-30 to support a five-digit
numbering plan.
DX
=
EXX, where-
DX
=
switch location
EXX
=
subscriber's number
The following numbers are allowed:
DX
=
5X except 54
=
6X, except 67
=
7X
=
8X
=
9X
EXX
=
1XX-4XX (except 100, 101)
The number 5XX-9XX 000 cannot be dialed by an AN/TTC-30 CS subscriber.
d. SB-3614 switchboard numbering plan.
The SB-3614 (AN/TTC-41 CS) uses a three-digit
numbering plan.
NXX or NSL, where-
N
=
1-6
XX
=
1-30, 31-60, 61-90 and
SL
=
depends on switch locations and terminal assignment
4. Joint numbering plan and the initial joint command. Control communications system will use the
following numbering plan:
PR
=
89
SL
=
50-59 (except 54), ARFOR
SL
=
60-69 (except 67), Joint
=
70-79, MARFOR
=
88-99, (except 88), AFFOR
All joint subscribers will have DSN access by dialing the proper code.
5. Joint tactical telephone subscriber numbering plan. Subscribers provided service from the joint
task force (JTF), joint signal officer task force (JSOTF) and components, and CS/switchboards will be
assigned numbers as outlined in Appendix B. Secure subscribers assigned numbers in the 8XX series
cannot call from an AN/TTC-30 CS without operator assistance. The dialing limitations of the switch
that provides the subscriber service must be followed when assigning numbers.
2-5
SS 0029
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