Cabletron Systems 6SSRM-02, Инструкция по установке и эксплуатации, Страница: 38 / 74

Hardware Overview
1-24 Introduction
Cabling and Connector Specifications
The following table lists the media specifications for the Dual Serial and Quad
Serial – C/CE line cards.
LEDs
The Dual Serial and Quad Serial – C/CE line cards use the following LEDs.
Table 1-11 Dual Serial and Quad Serial – C/CE WAN Line Card specifications
Port Type Specification
Dual serial • V.35, X.21, EIA530, EIA530A, or RS449
• LFH-60 high density connector; see “Dual Serial and
Quad Serial – C/CE Expansion Modules” on page 23 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 Cabletron Systems. For
detailed information, including part numbers, see “Dual Serial and Quad Serial – C/CE
Expansion Modules” on page 23 .
Table 1-12 Dual Serial and Quad Serial – C/CE WAN Line Card LEDs
LED Description
Per-port Link Indicates that the line card detects a cable plugged into the port
and a good link is established.
Per-port Rx Indicates when the port’s transceiver receives data.
Per-port Tx Indicates when the port’s transceiver transmits data.