DEFINITY Switch Connectivity

1 Networking Overview

Figure 1. Components of Switch Connectivity

Processor

DEFINITY

 

 

DEFINITY

 

Switch 1

 

Voice Data

Switch 2

 

 

 

 

 

PGate (r)

 

Signaling Data

 

 

 

 

 

 

NetPkt (si)

 

 

 

 

PI (si)

 

 

 

 

Interface to Transmission

 

 

 

 

Facilities

 

 

Tie Trunk

 

Tie-Trunk Circuit Packs

 

 

 

 

DS1, ISDN-PRI, Analog

 

 

 

 

PPP

 

 

 

 

C-LAN

10BaseT

 

C-LAN

 

 

 

 

IP

 

LAN

IP

 

Interface

 

or

 

MedPro

10/100BaseT

WAN

Interface

 

MedPro

 

mode

 

 

 

or

 

 

mode

 

IP trunk

 

 

or

 

mode

 

 

IP trunk

 

 

 

 

mode

What do the

The function of each circuit pack shown in Figure 1 is described below.

components do?

 

Processor

The processor board is the main control element in handling the call. This is the UN332B for the r model, the TN 790B for the si model, and the TN798B for the csi model.

PGATE (r only)

On the r model, the PGATE board (TN577) connects the processor to the packet bus and terminates X.25 signaling.

NetPkt (si only)

The Network control/Packet Interface (NetPkt) board (TN794) replaces the NETCON (TN777B) and the PACCON (TN778) circuit packs in the R7si model. It also replaces the LAPD portion of the PI (TN765) circuit pack.

Administration for Network Connectivity

4

CID: 77730

555-233-504 — Issue 1 — April 2000

Page 24
Image 24
Lucent Technologies Release 8.2 manual Definity, Switch, Function of each circuit pack shown in is described below