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| 型号： | FCM-8519-2-T4 |
| 元件分类： | 光收发 |
| 英文描述： | FIBER OPTIC TRANSCEIVER, REPEATER, 1250Mbps(Tx), 1250Mbps(Rx), PANEL MOUNT |
| 文件页数： | 4/9页 |
| 文件大小： | 71K |
| 代理商： | FCM-8519-2-T4 |
FCM -8519-1-T4/FCM-8519-2-T4 Product Specification
F i n i s a r
Finisar Corporation 03/10/2000
Page 4
IV.
High Speed Electrical Interface
All high-speed PECL signals to and from the host board are AC coupled internally.
All high speed PECL signals to and from the copper transmission line are AC coupled
internally and terminated into 75
(150 differential).
High Speed Electrical Host
– GBIC Interface
Parameter
Symbol
Min
Typ
Max
Units
Notes/Conditions
Data Input Voltage
From Host Board to
GBIC
Vin
650
2000
mV
PECL differential peak - peak
Data Output Voltage
from GBIC to Host
Board
Vout
370
2000
mV
PECL differential peak - peak
Tx Input Impedance
Zin
75
ohm
Rx Output Impedance
Zout
75
ohm
Table 6. High-speed electrical interface - host to GBIC connector
High Speed GBIC –
Transmission Line Interface
Parameter
Symbol
Min
Typ
Max
Units
Notes/Conditions
Transmit Output
Amplitude
VTX, out
1100
2000
mV
PECL differential peak - peak
Receive Input
Amplitude
VRX, in
400
2000
mV
PECL differential peak - peak
Transmitter Total Jitter
at Line Output
Jt
223
ps
Input to GBIC from host < 192 ps
jitter per IEEE802.3
Receiver Total Jitter at
GBIC output
Jr
568
ps
Input to GBIC from line < 528ps
jitter per IEEE802.3
Transmit Rise/Fall
Time
Trise/fall
85
327
ps
Tx Output Impedance
Zout,TX
75
ohm
Rx Input Impedance
Zin,RX
75
ohm
Table 7. High-speed electrical interface – GBIC to line connector
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