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2 - OPERATION
Configuration parameters per functional blocks
SETS : Synchronous Equipment Timing Source
Quality level of synchronization sources ; "Quality" :
- "PRC" (Primary Reference Clock),
- "SSUT" (Synchronisation Supply Unit Transit),
- "SSUL" (Synchronisation Supply Unit Local),
- "SEC" (Synchronisation Equipment Clock),
- "DNU" (Do Not Use),
- "SSMB" (Synchronisation Status Message Byte) (synchronization quality
carried out in S1 Byte).
Use of synchronization status messages (SSM) ;
"SSM"
T0 priority Table, according to enabled sources ;
possible values : 1 to 8 (1 have the most priority)
2 Mbit/s port number chosen for T2 ; "T2 Tributary port"
(1 port per enabled 2 Mbit/s card)
Revertive authorization (common to all sources) : return after a WTR time-
delay to the working link when the fault (SF or SD) causing the switch has
disappeared.
"Revertive"
Wait Time to Restore (WTR) period : in revertive mode, period following
restoration of nominal operation ; configurable from 0 to 30mn by one-
second step
"WTR"
Source selected for T4 ;
"Active source"
SASE mode control (enable or disable)
T3 source selection for SASE mode (T3-1 or T3-2)
Quality level for T4
- "PRC" (Primary Reference Clock),
- "SSUT" (Synchronisation Supply Unit Transit),
- "SSUL" (Synchronisation Supply Unit Local),
- "SEC" (Synchronisation Equipment Clock),
Installation and User Guide - N56717020104
Page A2-6
No reproduction or communication without the written consent of SAGEM SA
Table 2-5 – Configuration parameters (5/8)
Default
value
T3 : PRC
T1 : SSMB
T2 : SEC
T4 : SEC
"ON"
"1"
for all sources
"1"
"yes"
"1 mn"
"T0"
disabled
T3-1
"PRC"
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