Cisco Systems IGX 8400

4-20 Cisco IGX 8400 Series Reference

Universal Switching Module Enhanced

T1 • HCS masking (on or off)

• Payload scramble (on or off)

• Loop clock (enable/disable)

• Line framing (ESF or D4)

• Cable length (0 to 655 feet, ABAM cable only)

• Idle code

• Line coding (ﬁxed as B8ZS)

E1 • HCS masking (on or off)

• Payload scramble (on or off)

• Line DS0 map (timeslots 0 to 31 for unframed or 1 to 15 and 17 to 31 for framed

format)

• Loop clock

• Idle code

• Line coding (ﬁxed as HDB3)

• Receive line impedance (BNC ﬁxed at 75 ohms; DB-15 ﬁxed at 120 ohms)

Contents

Main Trunk Cards Trunk Interface Cards This section describes the IGX trunks. The card groups are: Trunk Operating Modes Trunk Card Maintenance Common Alarms, Controls, and Indicators Universal Switching Module Enhanced Introduction to the UXM-E Trunk Mode Determining the UXM-Es Mode of Operation Example Networks with UXM-Es UXM-E Trunk Features UXM-E Interfaces Page Maximum Number of UXM-Es Y-Cabled UXM-E Redundancy Switchover to a Redundant UXM-E Card Mismatch The UXM-E as a Clock Source Cellbus Bandwidth Usage Planning for Cellbus Bandwidth Allocation Calculating Cellbus Bandwidth Changes UBUs fps 2 -------- cps+ 4000 Routing over Cell Trunks Only The UXM-E in Trunk Mode Types of Supported Trafc Types of Connections on a UXM-E Trunk Inverse Multiplexing over ATM on IGX Trunks Page Page Page Activation and Conguration of a UXM-E in Trunk Mode Page Alarms for Physical Lines and Logical Trunks SCR and PCR Policing at Less than 50 CPS on UXM-E Trunk Statistics for Troubleshooting UXM-E Interface Cards Page Trunk Cards 4-25 Figure 4-11 BC-UAI-4-155-SMF Faceplate H11697 R LOC Y REM G OK Figure 4-12 BC-UAI-2-155-SMF Faceplate T3 Back Cards R LOC Y REM G OK Trunk Cards 4-27 Table4-13 Connectors and LEDs for BC-UAI-6-T3 and BC-UAI-3-T3 H11699 Figure 4-13 BC-UAI-6-T3 Faceplate Figure 4-14 BC-UAI-3-T3 Faceplate E3 Back Cards Trunk Cards 4-29 Table4-14 Connectors and LEDs for BC-UAI-6-E3 and BC-UAI-3-E3 H11701 Figure 4-15 BC-UAI-6-E3 Faceplate Transmit Jack BNC connector for transmit data. Receive Jack BNC connector for receive data. T1 Back Cards Trunk Cards 4-31 Table4-15 Connectors and LEDs for BC-UAI-8-T1-DB-15 and BC-UAI-4-T1-DB-15 H11703 Figure 4-17 BC-UAI-8-T1-DB-15 Faceplate Four or eight DB-15s Each DB-15 connector carries transmit and receive data. Trunk Cards 4-33 Table4-16 Connectors and LEDs for BC-UAI-8-E1 and BC-UAI-4-E1 H11704 Figure 4-19 BC-UAI-8-E1 DB-15 Faceplate Green (on the tri-color LED) The card is active and in service. PORT 2 RX UAI-8EI BNC TX PORT 8 Trunk Cards 4-35 Figure 4-21 BC-UAI-4-E1 DB-15 Faceplate H11707 Figure 4-22 BC-UAI-4-E1 BNC Faceplate PORT 2 RX UAI-4EI BNC TX H11708 Network Trunk Module