Enterasys X-Pedition 2000, Getting Started Manual

Page: 36 / 86

Hardware Overview
20 Enterasys X-Pedition 2000 Getting Started Guide
Dual HSSI Line Card
The Dual HSSI line card contains two 50-pin High Speed Serial Interface (HSSI) ports. Figure 8
shows the front panel of the Dual HSSI WAN line card.
Figure 8. Front panel of Dual HSSI WAN line card
Cabling and Connector Specifications
The following table lists the media specifications for the Dual HSSI line card.
LEDs
The Dual HSSI line card uses the following LEDs.
Port Type Specification
HSSI • HSSI rev 2.11
• 50-pin High Speed Serial Interface (HSSI) connector; see Dual HSSI Line
Card
on page 40 for pin assignments
• Recommended 3 meters (10 feet) segment length for standard WAN line
card-to-CSU/DSU data port.
1
1. Connector cables for WAN line cards may be ordered from Enterasys Networks. For detailed information,
including part numbers, see Dual HSSI Line Card
on page 40
.
LED Description
Offline When lit, this amber LED on the left side of the line card indicates that the
line card is offline (powered off) but is ready for hot swap.
The Offline LED also is lit briefly during a reboot or reset of the XP but
goes out as soon as the control module discovers the line card.
Online When lit, this green LED indicates that the line card is online and is ready to
receive, process, and send packets if configured to do so.
Tx
Rx
Link
Dual HSSI G8M-HSIAC-02
Tx
Rx
Link
Online
Offline
Hot
Swap