參數(shù)資料
型號(hào)： MT9042C
廠商： Mitel Networks Corporation
英文描述： Multitrunk System Synchronizer(多中繼系統(tǒng)同步裝置)
中文描述： Multitrunk系統(tǒng)同步器（多中繼系統(tǒng)同步裝置）
文件頁(yè)數(shù)： 10/28頁(yè)
文件大小： 126K
代理商： MT9042C
MT9042C
10
Figure 8 - Automatic Control State Diagram
Description
State
Input Controls
Freerun
Normal
(PRI)
Normal
(SEC)
Holdover
(PRI)
Holdover
(SEC)
LOS2
LOS1
GTi
RST
S0
S1
S2
S1H
S2H
1
1
X
0 to 1
-
S0
S0
S0
S0
X
0
0
1
S1
-
S1 MTIE
S1
S1 MTIE
X
0
1
1
S1
-
S1 MTIE
S1 MTIE
S1 MTIE
0
1
0
1
S1
S1H
-
-
S2 MTIE
0
1
1
1
S2
S2 MTIE
-
S2 MTIE
S2 MTIE
1
1
X
1
-
S1H
S2H
-
-
Legend:
- No Change
MTIE State change occurs with TIE Corrector Circuit
Refer to Automatic Control State Diagram for state changes to and from Auto-Holdover State
Table 5 - Automatic Control (MS1=MS2=1, RSEL=0) State Table
(01X)
(X0X)
(01X)
(X0X)
{A}
(11X)
(011)
(11X)
(011)
(X0X)
(11X)
(01X)
(01X)
(010 or 11X)
(X0X)
(X0X)
(01X)
(X01)
Reset
{A}
S0
Freerun
S2H
Holdover
Secondary
S1H
Holdover
Primary
S2
Normal
Secondary
S1
Normal
Primary
(X00)
S1A
Auto-Holdover
Primary
S2A
Auto-Holdover
Secondary
(010 or 11X)
(11X) RST=1
(X0X)
NOTES:
(XXX)
{A}
LOS2 LOS1 GTi
Invalid Reference Signal
Movement to Normal State from any
state requires a valid input signal
Phase Re-Alignment
Phase Continuity Maintained (without TIE Corrector Circuit)
Phase Continuity Maintained (with TIE Corrector Circuit)
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