66
3.6.7
Setup – T1 interface
The T1 settings include the Channel, Number of time slots , First time slots, LBO
and AIS.
3.6.7.1
Channel
The T1 interface can be programmed to encode/decode its transmit/receive
signals using Bipolar with Eight Zero Suppression (
B8ZS
) coding.
Each T1 frame contains 1 byte of voice data for each of the 24 channels, that
system needs then 8000 frames per second to maintain those 24 simultaneous
voice channels. Because each frame of a T1 is 193 bits in length (24 channels X
8 bits per c 1 framing bit = 193 bits), 8000 frames per second is
multiplied by 193 bits to yield a transfer rate of 1.544 Mbit/s (8000 X 193 =
1544000).
The T1 format provides a 64 Kbps channel for each of 24 individual channels.
Each of these channels is called a DS-0 channel or a time slot and consists of
an eight-bit sample. A T1 frame is constructed by time division multiplexing
these 24 time slots and inserting a framing bit at the beginning of the series. This
Summary of Contents for SHRM03b TDM Series
Page 1: ...SHRM03b G SHDSL bis TDM Series 4U 19 Chassis ...
Page 2: ......
Page 23: ...23 When using 4 wire 2 pairs mode only the upper side of RJ 45 connector can be used ...
Page 37: ...37 3 5 1 Menu Tree diagram 2 wire mode ...
Page 38: ...38 3 5 2 Menu Tree diagram 4 wire mode ...
Page 52: ...52 75 Ohms 120 Ohms BNC Connector RJ 45 Connector ...
Page 59: ...59 ...
Page 78: ...78 ...
Page 82: ...82 3 8 2 4 Series interface 4 wire mode 3 8 2 5 Ethernet interface 2 wire mode ...
Page 83: ...83 3 8 2 6 Ethernet interface 4 wire mode ...
Page 84: ...84 3 8 2 7 T1 interface 2 wire mode 3 8 2 8 T1 interface 4 wire mode ...
Page 86: ...86 3 8 3 3 Ethernet interface For Ethernet interface model ...
Page 87: ...87 3 8 3 4 T1 interface For T1 interface model ...
Page 105: ...105 Ethernet Rate Auto Speed Duplex ...
Page 113: ...113 side Click Reset button and the values will be set to default ...
Page 116: ...116 4 5 7 4 SNMP All SNMP parameter must setup on this item ...
Page 128: ...128 cable ...
Page 131: ...131 ...
Page 136: ...136 ...
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