Chapter 6: HSIM-W6 Configuration with QuickSET

Sync Clock Speed — Displays the user-configured receive clock speed. The default setting for this field is 64000 bits per second. The information for this field is normally supplied by the service provider.

Sync Flow Control — Displays the source of the Clear To Send (CTS) and the Force Data Set Ready (DSR) signals.

The CTS signal is an input to the HSIM-W6. The HSIM-W6 can either use or ignore the CTS signal. Clicking on the box indicates that the HSIM-W6 ignores the CTS signal from an external DCE (Data Communications Equipment) and forces the signal high. The off setting indicates that the CTS signal is received from an external DCE. The default setting is off.

The DSR signal is an input to the HSIM-W6. Clicking on the box indicates that DSR signal is internally forced high. The off setting indicates that the DSR signal is received from an external DCE. The default setting is off.

Protocol — Displays the active protocol for the Sync 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 WAN configuration is complete, click on the Next>> button in the Synchronous WAN configuration window and proceed to the Bridging and Routing Configuration section of this guide.

HSIM-W6 User’s Guide 77

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Cabletron Systems manual HSIM-W6 Configuration with QuickSET