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MIL-STD-188-185 Interoperability Standard For Uhf Misaltcom Dama Control SystemThis standard establishes mandatory requirements applicable to the channel controller \(CC\) to provide the capability for terminals to access pre-assigned \(PA\) or demand-assigned \(DA\) user-to-user communications \(UCOM\) services that operate on either 5-kHz or 25-kHz ultra high frequency \(UHF\) satellite communications \(SATCOM\) channels and represent the minimum requirements that must be implemented. Requirements in this standard may be exceeded by the CC to satisfy specific Department of Defense \(DoD\) requirements, provided interoperability is maintained. For example, the incorporation of additional standard and nonstandard interfaces is not precluded. MIL-STD-188-181 defines the modulation types and rates, forward error correction \(FEC\), interleaving, user-traffic communications security \(COMSEC\), and performance parameters that apply to the bursts employed for each transmission employed in this standard.

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MIL-STD-188-185A
FIGURE
PAGE
SFOW burst fields ..................................39
4
5
DFOW burst fields ..................................55
PUFOW burst fields .................................98
6
DUFOW burst fields .................................99
7
DROW burst fields ..................................101
8
Ranging burst fields ...............................136
9
Pseudorandom sequence ..............................136
10
UCOM service burst fields ..........................137
11
12
Burst format for UCOM circuit service employing
sub-framing ........................................141
13
Notification message interchange requirements ......174
14
Network affiliation message interchange ............177
15
Channel reassignment message interchange ...........180
16
Point-to-point service resource assignment message
interchange ........................................185
17
Conference call resource assignment message
interchange ........................................187
18
Preplanned service activation message interchange ..190
19
Service request rejected or queued message
interchange ........................................191
20
Join net service request message interchange .......193
21
Service teardown or service request cancellation
message interchange ................................196
22
Remove from service message interchange ............197
23
Terminal-initiated status reporting message
interchange ........................................199
24
PCC-directed status reporting message interchange ..199
25
I/O port availability reporting message
interchange ........................................200
26
Initial reporting of guard list message
interchange ........................................201
27
Reporting updates to guard list message
interchange ........................................202
28
Control transition message interchange .............203
29
Directed messages monitoring message
interchange ........................................204
Time Slot Number (TSN) format ......................220
30
31
Half-duplex terminal conflicts with DFOW/DROW ......226
32
Types of services and status .......................228
33
Reserved ...........................................NA
34
Terminal optional configurations ...................229
35
Terminal and I/O port addressing ...................231
B-1
Terminal address derivation ........................249
B-2
Terminal replicated address ........................250
x



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