Tellabs 6325 - Page 57

MA365 • Rev. A2 57
Tellabs
®
6325 Edge Node 3 Reference Information
Synchronization function
in locked mode
The following table describes the specifications for the synchronization func-
tion in locked mode.
Return loss EN 300 166 • >6 dB @ 51-102 kHz
• >8 dB @ 102-3072 kHz
Voltage at
squelch
< 40 mV
P
@ 50 kHz to 6.144 MHz
Parameter Reference Value for 2 MHz synchronization output port
Parameter Reference SETG output
Locking performance
Capture range G.813, EN 300
462-5
minimum +/- 4.6 ppm
Lock range (fre-
quency range
where locked is
maintained)
Tellabs +/- 20ppm
Jitter and Wan-
der tolerance
EN 300 462-5 EN 300 462-5 figure 2 and 5
The maximum permitted peak-to-
peak sinusoidal jitter, when applied
on the synchronization interfaces,
shall not make the SEC loose track-
ing.
Phase stability TDEV MRTIE (ns)
Ideal Operation EN 300 462-5 fig-
ure 1
• 0.1<S<25s
32[ns]
• 25<S<100s
0.64xS
0.5
[ns]
• 100 <S<1000s
6.4[ns]
• 0.1<S<1s 40ns
• 1 <S<100s
40xS
0.2
[ns]
• 100 <S<1000s
25.25xS
0.2
[ns]
Stressed opera-
tion (Phase tran-
sient)
G.813
EN 300 462-5
-
-
According to
chapter 9.1
According to fig-
ure 6