Alvarion Technologies Ltd. BMAX-BA36 Manuale Utente
22
System Description
Chapter 1 - System Description
1.5.4
AU-IDU to AU-ODU Communication
1.5.5
Data Communication (Ethernet Ports)
Table 1-7: AU-IDU to AU-ODU Communication
Item
Description
IF Frequency
Tx: 240 MHz
Rx: 140 MHz
Ref Synchronization Frequency
64 MHz
Bi-Directional Control Frequency
14 MHz
IF cable Impedance
50 Ohm
Maximum IF cable Attenuation
10 dB @ 240 MHz
7.5 dB @ 140 MHz
8 dB @ 64 MHz
Minimum IF cable Shielding Effectiveness
90 dB in the 10-300 MHz band
Maximum IF cable Return Loss
20 dB in the 10-300 MHz band
Maximum IF cable DC Resistance
1.5 Ohm
Table 1-8: Data Communication (Ethernet Ports)
Item
Description
Standard Compliance
IEEE 802.3 CSMA/CD
Maximum Packet Size
1550 Bytes (including 4 CRC bytes and 4 VLAN tag bytes)
Speed
Data Port
100/1000 Mbps, Full Duplex
Management Port
10/100 Mbps, Half/Full Duplex with Auto
Negotiation