Datatek DT-6061 Gebruikershandleiding - Pagina 5

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access the virtual circuit via the UMI

BNS or the IP network.

1.2 A

PPLICATION

PECIFICATIONS

Number of X.25 devices per DT-6061

Number of Virtual Circuits per X.25 Device

PAD Service

X.25 Pass-Through Service

Number of OA&M Channels available

Measurements Available

Alarms

SNMP (DT-6061 Agent)

1.3 A

PPLICATION

ASIC

1.3.1 I

NTERFACE

YPES

There are three distinct interface types on the IP-PAD application.

The Configuration Circuits

This interface type is used for configuration and administration of the IP-PAD application for a

particular X.25 connection via Telnet.

The Virtual X.25 Line Circuits

For this interface type, one virtual X.25 line is configured to receive on a TCP Port. This TCP port

will then listen for the TCP call from the DT-4000, UMI, etc. The specific TCP port used is the

configured base + 0.

The X.25 VCC (via X.3 PAD) Circuits.

For this interface type, one TCP port is configured per VCC on the X.25 line. These TCP ports will

listen for a call from an endpoint that requires access to the VCC. The specific TCP ports used

begin at the configured base + 1 for X.25 VCC 1, and increment in proportion.

1.3.2 C

IRCUIT

SAGE

The IP-PAD application would have its X.25 line, and per circuit configuration entered. This

includes the base TCP port number that establishes the range of TCP ports relating to that X.25

line.

Once restored to service, the X.25 line TCP port (offset 0 from the base) listens for in inbound call

from a DT-4000, UMI, or DT-2020/SAM port. This establishes the connectivity with the remote

X.25 network element endpoint.

The VCC TCP ports (offset 1 – Number of Virtual Circuits) will listen on their respective TCP ports

for inbound calls as well. Any host, or other IP endpoint, may make a telnet call to these TCP

ports for per virtual circuit connectivity to the X.25 network element.

The UMI allows both synchronous and asynchronous endpoints connected to a BNS network to access

endpoints on an IP network. Similarly, endpoints on an IP network can access both synchronous and

asynchronous endpoints on a BNS network.

11/01/00

. The same is true of terminal and PC devices on either the

30+

1-100

Yes (Per Virtual Circuit)

One per X.25 device.

LAPB, Packet Layer PAD, Byte Counts,Error Counts

Yes

& O

RCHITECTURE

XAMPLE

Datatek Applications Inc.

PERATION