RAD Data comm RIC-155 Manuel D’Utilisation

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Chapter 1  Introduction 
RIC-155 Installation and Operation Manual 
1-6 Technical 
Specifications
 
 
•  Fiber optic/electrical interface provides connection to the fiber optic or 
coaxial cables. 
•  CPU controls the RIC-155 operation. It includes a microprocessor, flash 
memory, and SRAM. 
•  Power supply provides 5V and +3.3V voltage to the RIC-155 internal 
elements. 
1.4 Technical Specifications 
10/100BaseT 
Interface 
Number of Ports 
 
Compatibility 
Relevant sections of IEEE 802.3u, 802.3x, 802.1p and 
802.3q 
 
Data Rate 
10BaseT: 10 Mbps 
100BaseT: 100 Mbps 
 
Line Code 
10BaseT: 
Manchester
 
100BaseT: MLT3 
 
LAN Table 
1,024 MAC addresses with automatic learning and aging 
 
Filter Mode 
64 bytes: 148,810 pps 
1518 bytes: 8,127 pps 
 
Filter TAG Mode 
64 bytes: 142,000 pps 
1518 bytes: 8,110 pps 
 
Buffer 
1 MB 
 
Maximum Frame 
Size 
1536 bytes 
 
Cable Type 
Unshielded twisted pair (UTP), 19–26 AWG 
 
Connector 
RJ-45 
STM-1/OC-3c 
Interface 
Fiber Optic Interface  See 
 
Electrical Interface 
Line Attenuation 
Not greater than 12.7 dB at 78 MHz 
 
Coax Cable Length 
135m (442 feet), when using RG-59 B/U (at 78 MHz, in 
accordance with the square root of frequency law). 
 
Impedance 
75Ω 
 
Connector 
BNC coaxial 
 
Timing 
•  Internal, from internal oscillator 
•  Loopback, from received signal