STM1E-SFP02 参数 Datasheet PDF下载

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

Flat-loss Tolerance

Latency

DLL Lock Time

Return Loss

CONDITION

0 to 12.7dB cable (loss) attenuation

MIN

-2

TYP

5

1

MAX

4

10

10

UNIT

dB

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

Jitter Tolerance ( UIpp )

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

10Hz to 19.3Hz

19.3Hz to 500Hz

STM-1e Jitter Tolerance

500Hz to 6.5kHz

6.5kHz to 65kHz

65kHz to 1.3MHz

0.15

1.5

9800 f-1

0.30

MIN

38.9

750 f-1

NOM

MAX

UNIT

UIpp

µs

UIpp

µs

UIpp

STM1E-SFPxx Datasheet

-8-

August 2008 v2-2