Cabletron Systems HSIM-W6 User Manual
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Chapter 6: HSIM-W6 Configuration with QuickSET
74
HSIM-W6 User’s Guide
T1 Line BuildOut —
Displays the signal level for the physical DI line. Set this to 0 db unless the
service provider recommends another setting. The default setting for this field is 0 db. The
selections for this setting toggle between the following levels:
•
0 (Zero) db
•
-7.5 db
•
-15 db
T1 Line Coding —
Displays the line coding for the physical DI 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 DI line. The HSIM-W6 must be in Loop-Timing mode to use this
option. The default setting is No Loop.
T1 Transmit Clock Source —
Displays the DI Transmit Clock Source. The selections for this
field are Loop-Timing (Extracted Line Data) and Local-Timing (Internal Clock). The default
setting for this field is Loop-Timing.
Protocol —
Displays the active protocol for the DI WAN port. The selections for this field are
Frame Relay and PPP. The default setting for this field is PPP.
Link Management Protocol —
If Frame Relay is the selected protocol, this field displays Q.933
Annex A and T1.617 Annex D. The default for Frame Relay is T1.617 Annex D. This field is
grayed out and not used for PPP.
Once the Wide Area DI configuration is complete, click on Next>> in the DI WAN configuration
window and proceed to either the
Wide Area Frame Relay Time Slot Configuration Window
if
you are using the Frame Relay Protocol or the