Cabletron Systems manual HSIM-W6 Configuration with QuickSET

Chapter 6: HSIM-W6 Configuration with QuickSET

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 Wide Area PPP Time Slot Configuration Window if you are using the PPP Protocol.

74 HSIM-W6 User’s Guide