Comxion E3FOM, Руководство пользователя, Страница: 7 / 42

3
1-3 E3FOM Technical Specifications
‹
E3 Interface
¾ Channel Capacity: 1 channel
¾ Bit Rate: 34.3/- 20ppm
¾ Line Code: HDB3
¾ Impedance: Unbalanced 75
Ω
¾ Electrical Interface: Compliant with ITU-T G.703
¾ Jitter Tolerance: Compliant with international standards ITU-T G.823
¾ Jitter Transfer: Compliant with international standards ITU-T G.751
‹
HSSI Interface (Optional)
¾ Data Rate: 34 Mbps (clear channel)
¾ Electrical: MC10KH series ECL
¾ Physical: 50 pin SCSI-2 socket
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Optical Link
¾ Wavelength: 1310 or 1550 nm MLM Laser diode
¾ Number of Optical Link
：
2 (working and protection link)
¾ Output Power:
＞
-15 dBm at 9/125 (1310 nm Laser)
＞
-5 dBm at 9/125(1550 nm Laser)
¾ Receive Sensitivity: -34 dBm (1310 nm Laser) or
-35 dBm (1550 nm Laser)
¾
System Gain: > 19 dB
¾ Fiber type: Single Mode (9/125um)
¾ Connectors: FC/PC or ST
‹
Alarm Detection and Indication
z
E3 Signal Interface
¾ ELOS (Electric Loss of Signal): The loss of E3 signal
¾ AIS (Alarm Indication Signal): Receiving alarm signal indicator
¾ RDI (Remote Defect Indication): Remote alarm