Cabletron Systems CyberSWITCH CSX200 User Manual page 60

CSX200 Configuration with QuickSET
The line configuration information shown in
The CSX200 factory default settings are in bold.
Configuration Information
Required by User
T1 Frame Type
T1 Line BuildOut
T1 Line Coding
T1 Loop-Back
T1 Transmit Clock Source
Time Slots (for Fractional T1)
The following definitions explain the fields in the Wide Area T1 configuration window.
Displays the T1 frame type. The selections are ESF (Extended SuperFrame)
T1 Frame Type —
and D4 (AT&T D4). The default setting for this field is ESF.
T1 Line BuildOut —
service provider recommends another setting. The default setting for this field is 0 dB. The
following options are available for this setting:
• 0 dB
• -7.5 dB
• -15 dB
T1 Line Coding —
are B8ZS and AMI. The default setting for this field is B8ZS.
Network Loop-Back is a testing procedure that segments the line and allows
T1 Loop-Back —
you to isolate faults. The selection for this field are No Loop and Line Loop. In Line Loop all 24
channels are looped back to the T1 line. The CyberSWITCH must be in Loop-Timing mode to use
this option. The default setting is No Loop.
46 CSX200 Family User's Guide
Table 2 Telco Configuration Information
Displays the signal level for the physical T1 line. Set this to 0 dB unless the
Displays the line coding for the physical T1 line. The selections for this field
Table 2 must be supplied by your service provider.
Configuration Information
Supplied by Service Provider
ESF or D4
0 dB, -7.5 dB, -15 dB
B8ZS or AMI
No Loop or Line Loop
Loop-Timing or Local-Timing
Time Slot (1-24) Assignments