Figure 1-45. Typical command links of the TCS(A)
(2) A requirements analysis is conducted after the mission has been passed down.
The network planner develops a thorough understanding of the user, his mission, and his role in
relation to other users. The following should be considered when analyzing user needs:
(a) Traffic load - reflects the volume of telephone, message, data, and facsimile
traffic that will flow in and out of a headquarters or unit.
(b) Trunks - switch-to-switch circuits for common user access.
(c) Subscriber terminals - how many, what type, when and where are they
needed; are they available; users' COMSEC needs.
(d) Special subscriber features - AUTOVON access, precedence use, conference
capability, security levels, etc.
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