Cabletron Systems HSIM-W6 manual Telco Configuration Information

Chapter 6: HSIM-W6 Configuration with QuickSET

The line configuration information shown in Table 12 must be supplied by your service provider. The HSIM-W6 factory default settings are in bold.

Table 12 Telco Configuration Information

Configuration Information		Configuration Information
Required by User		Supplied by Service Provider
T1	Frame Type	ESF or D4
T1	Line BuildOut	0 db, -7.5 db, -15 db
T1	Line Coding	B8ZS or AMI
T1	Loop-Back	No Loop or Line Loop
T1 Transmit Clock Source		Loop-Timingor Local-Timing
Time Slots		Time Slot (1-24) Assignments

The following definitions explain the fields in the Wide Area T1 configuration window.

T1 Frame Type — Displays the T1 frame type. The selections are ESF (Extended SuperFrame) and D4 (AT&T D4). The default setting for this field is ESF.

T1 Line BuildOut — Displays the signal level for the physical T1 line. Set this to 0 db unless the service provider recommends another setting. The default setting for this field is 0 db. The following options are available for this setting:

•0 (Zero) db

•-7.5 db

•-15 db

T1 Line Coding — Displays the line coding for the physical T1 line. The selections for this field are B8ZS and AMI. The default setting for this field is B8ZS.

T1 Loop-Back — Network Loopback is a testing procedure that segments the line and allows the user to isolate faults. The selections for this field are No Loop and Line Loop. In Line Loop all 24 channels are looped back to the T1 line. The HSIM-W6 must be in Loop-Timing mode to use this option. The default setting is No Loop.

68 HSIM-W6 User’s Guide