Specifications
WILINK I MODULAR BASE STATION SYSTEM MANUAL
15
1.5.3
AU-IDU to AU-ODU Communication
Table 1-8: 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
19 dB @ 240 MHz
15 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
4.0 ohm
1.5.4
Data Communication (Ethernet Ports)
Table 1-9: 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)
Data Port
100/1000 Mbps, Full Duplex
Speed
Management Port
10/100 Mbps, Half/Full Duplex with Auto
Negotiation
