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System Description
Ethernet 1GbE Electrical Interface
Specification
Connector
Channel
Transfer speed
Transmission capacity
Cable used
Typical reach
Transmission mode
MDI/MDI-X
CPRI Optical Interface
Specification
Connector
Channel
Transmission speed
Transmission capacity
Optical Fiber used
Operation Wavelength
Output Level (average)
Input Level (average)
Typical Reach
Coding Method
Synchronization
1-hop, One-way Latency
1-20
Table 1.4-7 1000BASE-T Electrical Interface
IEEE802.3-2008 (10/100/1000BASE-T)
RJ-45
1
10 Mbit/s, 100 Mbit/s, 1,000 Mbit/s
10 Mbit/s, 100 Mbit/s, 1,000 Mbit/s
CAT5 or higher
Less than 100 m
Auto negotiation
Auto MDI-X
Table 1.4-8 CPRI Optical Interface
CPRI specification V5.0 (2011-09-21), optical
SC connector, x1
1
2,457.6 Mbit/s
2.457.6 Mbit/s
1.31 μm zero dispersal type, single-mode fiber (SMF)
1.55 μm dispersal shift type, single-mode fiber (DSM)
Up-stream (REC←RE): 1.275 to 1.355 nm
Down-stream (REC→RE): 1.480 to 1.500 nm
Transmit/receive wave division multiplex (WDM)
-8 to -2 dBm on XFP using 5 m cable
-17 to 0 dBm on XFP using 5 m cable
20 km (maximum)
8B/10B
Slave Synchronization
< 20 μsec excluding propagation path
Fujitsu and Fujitsu Customer Use Only
BroadOne GX4000 Manual (R3.0) issue 1.03
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