STM1E-SFPxx 155Mbps Copper Transceiver
Final Datasheet
RECEIVER SPECIFICATIONS FOR CMI (COAX) INTERFACE
The input signal is assumed compliant with ITU-T G.703 and can be attenuated by the dispersive loss of a
cable. The minimum cable loss is 0dB and the maximum is –12.7dB at 78MHz.
PARAMETER
CONDITION
MIN TYP MAX
UNIT
Flat-loss Tolerance
0 to 12.7dB cable (loss) attenuation
-2
4
dB
Latency
DLL Lock Time
Return Loss
5
1
10
10
UI
µs
dB
7MHz to 240MHz
15
RECEIVER JITTER TOLERANCE
The STM1E-SFPxx exceeds all relevant jitter tolerance specifications shown in Figure 10. Receive jitter
tolerance is not tested during production test.
100
155Mbps Electrical (CMI) Interfaces
G.825 - STM-1e Tolerance
(for 2048 kbps networks)
G.825 - STM-1e Tolerance
(for 1544 kbps networks)
10
1
0.1
0.01
1.E+00
10Hz
100Hz
1kHz
10kHz
100kHz
1MHz
10MHz
Jitter Frequency
Figure 10: Jitter Tolerance - electrical (CMI) interfaces
PARAMETER
CONDITION
MIN
NOM
MAX
UNIT
10Hz to 19.3Hz
19.3Hz to 500Hz
38.9
UIpp
750 f-1
µs
STM-1e Jitter Tolerance
500Hz to 6.5kHz
1.5
UIpp
6.5kHz to 65kHz
65kHz to 1.3MHz
9800 f-1
0.30
µs
UIpp
0.15
STM1E-SFPxx Datasheet
- 8 -
August 2008 v2-2
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
