User's Manual

Table Of Contents
92 Link CX User Manual, Version A
Receiver
Type Double Heterodyne
Error Correction FEC Reed Solomon Decoding
Sensitivity at 10
-6
BER -78 dBm state guaranteed
Typical Unfaded BER 10
-10
Frequency Stability +/- 5 ppm
Channel Frequency Selection Software-controlled
Maximum Receive Level without
Receiver Degradation
-35 dBm
Maximum Receive Level without
Receiver Damage
-30 dBm
DS-3 Interface
Type Full-duplex DS-3, per Bellcore GR-499-CORE
Line Rate 44.736 Mbps
Line Code B3ZS
Tx and Rx Electrical Interfaces 75 Ohm unbalanced
Tx and Rx Physical Connectors Female TNC coaxial with grounded outer conductor
Ethernet Interfaces
Number
Two, with independent transmit and receive pair
sensing
Type Full-duplex 10/100 Base-T per IEEE 802.3
Line Rate 45 Mbps
Max Distance between CPE and Link CX 100 m (328 ft.)
Electrical Interfaces 100 Ohm UTP
Physical Connectors Female four-pin Circular
External Antenna to Link CX Antenna Port (Optional)
Connector Type 50 Ohm Coaxial N-Type Female
Antenna Port Return Loss >=12 dB
Other Interfaces
Craft Port
Male four-pin Circular, RS-232 asynchronous data
port (TXD, RXD, GND)
Table A2-1 Link CX-DSX DS-3 or Ethernet Version (5.3 GHz) (continued)