Amps-Tacs Namps-Ntacs Encoder; Control And Voice Channel Identifiers; Amps-Tacs/Namps-Ntacs Mode Forward Control Channel (Focc) - HP 8920A User Manual

AMPS-TACS NAMPS-NTACS Encoder

Control and Voice Channel Identifiers

Figure 85

AMPS-TACS/NAMPS-NTACS Mode Forward Control Channel (FOCC)

• AMPS = Advanced Mobile Phone Service.
• NAMPS = Narrowband Advanced Mobile Phone Service.
• TACS = Total Access Communications Systems.
• JTACS = Total Access Communications System for Japan.
• NTACS = Narrowband Total Access Communications Systems (NTACS is an exten-
sion of JTACS).
The AMPS/TACS and NAMPS/NTACS Encoder modes use the same Forward
Control Channel (FOCC) settings and output format. However, the Forward
Voice Channel (FVC) information is different.
The Control and Voice channel fields are available in separate menus. The
field is used to select the
Channel
Fields available only in the Forward Control Channel menu have (FOCC) printed
in the field title.
Fields available only in the Forward Voice Channel menu have (FVC) printed in
the field title.
Chapter 10, Signaling Encoder (AF Generator 2)
AMPS-TACS NAMPS-NTACS Encoder
(FOCC) or
Cntl Voice
1 f
(FVC) menu.
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