RFL Communications 21 Sub-MUX Uživatelský manuál Strana 21

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©2014 RFL Electronics Inc.
Solutions for an evolving world.
©2014 RFL Electronics Inc.
Solutions for an evolving world.
Channel Banks cont.
T1 Channel Bank (IMUX, Focus)
Operates at 1.54 Mbps
Fiber or Electrical connections,
Sometimes T1 connect will be used with DSU (digital service unit) at 64 Kbps
Microwave
Operates at roughly 1.0 gigahertz (GHz) to 30 GHz
Large towers to point to point radios
Much of the industry use point to point radios.
Sonnet (Synchronous Optical Network)
Operates at 155.520 megabits per second (Mbit/s).
packet-oriented data transmission
Ethernet is a family of computer networking technologies for
local area (LAN) and larger networks.
Systems communicating over Ethernet divide a stream of data into shorter pieces
called frames. Each frame contains source and destination addresses and
error-checking data so that damaged data can be detected and re-transmitted.
Operates at 10 Mbit/s, 100 Mbit/s, and 1 Gbit/s, respectively
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