Cabletron Systems HSIM-W6 - Manual (Page 85)

Chapter 6: HSIM-W6 Configuration with QuickSET
HSIM-W6 User’s Guide 71
The line configuration information shown in Table 13 must be supplied by your service provider.
The HSIM-W6 factory default settings are in bold.
The following definitions explain the fields in the Wide Area E1 configuration window.
E1 Frame Type — Displays the E1 frame type. The selections for this field are E1 and E1-CRC.
The default setting for this field is E1.
E1 Line Coding — Displays the line coding for the physical E1 line. The selections for this field
are HDB3 and AMI. The default setting for this field is HDB3.
E1 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 32
channels are looped back to the E1 line. The HSIM-W6 must be in Loop-Timing mode to use this
option. The default setting is No Loop.
E1 Transmit Clock Source — Displays the E1 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 E1 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.
Table 13 Telco Configuration Information
Configuration Information
Required by User Configuration Information
Supplied by Service Provider
E1 Frame Type E1 or E1-CRC
E1 Line Coding HDB3 or AMI
E1 Loop-Back No Loop or Line Loop
E1 Transmit Clock Source Loop-Timing or Local-Timing
Time Slots Time Slots (1-32) Assignments