System information

Chapter 3 Configuration Management User's Manual
3-22 Setting the Operational Parameters Vmux-210 Ver. 1.0
Table 3-12. Link T1 SW Cfg Tab Parameters
Parameter Possible Values / Remarks
Port Link T1
Connect No, Yes
Default: No
Line Type The line type of the interface
SF (D4), ESF
Default: ESF
Restore Time The time required to restore normal service after the end of a loss of
synchronization condition
FAST, TR-62411
Default: FAST
Clock Mode Defines the clock operation mode of the interface
LBT (loop back timing), Internal, LBT from Channel
Default: LBT
Line Code Line coding method used for zero suppression
B8ZS, TRANS (AMI)
Default: B8ZS coding. A specified pattern of normal bits and bipolar variations
replaces a sequence of 8 zero bits. This option provides clear channel capability
Interface Type DSU, CSU
Default: DSU
Line Length (feet) Length of the cable connecting the T1 port and the network entry point. This
parameter affects the transmit signal mask required to meet DSX-1
requirements, as specified by AT&T CB-119, or operation requirements of FCC
Rules Part 68A.
0-133, 134-266, 267-399, 400-533, 534-655
Default: 0-133
Disabled when Interface Type is set to CSU
RX Sensitivity (dBm) Low (-15 dBm), High (-36 dBm)
Default: Low
Disabled when Interface Type is set to DSU
TX Gain level (dBm) The selected attenuation value brings your signal level closer to the expected
repeater signal level on the cable.
0, -7.5, -15.0, -22.5
Default: 0
Disabled when Interface Type is set to DSU
Idle Code (hex) Hexadecimal code transmitted to fill idle (unused) time slots in frames
transmitted through the selected port
00..FF
Default: FF
Note: The following values are not allowed:
0H, 8H, 10H, 12H, 21H, 24H, 42H, 49H, 84H, 92H
Fragmentation (Bytes) 200…610…1550
Default: 610