
117021-A Rev. A 5-1
Chapter 5
Configuring HSSI Services
This chapter describes how to edit the line services for HSSI link modules, in the
following sections:
• About HSSI Services
• Enabling or Disabling HSSI Lines
• Configuring BofL Messages
• Setting the MTU
• Setting the Transmission Interface
• Viewing the Configured WAN Protocol
• Setting the External Clock Speed
• Setting the CRC Size
• Setting the Carrier Loss Debounce Timeout
About HSSI Services
A Bay Networks HSSI interface supports full-duplex synchronous bit rates from
300 Kb/s to 52 Mb/s. HSSI provides connection to high-speed circuits such as
T3/ES and SONET OC-1, and to high-speed WAN switching services including
Frame Relay, SMDS, and ATM DXI.
Refer to Chapter 1 for information about accessing the Edit HSSI Parameters
window (F
igure 5-1).
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