User's Manual

Table Of Contents
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