DATA COMMUNICATIONS CONFIGURATIONS 9-5

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SNA NODE CONNECTIONS

You can use your communications system to connect the nodes in your SNA network. To do this, you use a dedicated connection (DSC or PSC) through the communicating switches. A workable configuration is shown in figure 9-2,although other configurations are possible.

 

 

 

S75/S85/G1/G2

 

 

 

V.35 OR

 

 

 

 

 

 

RS-232

 

 

 

 

MAINFRAME

FEP

MPDM

DCP

 

 

 

 

PORT

DSC/

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PSC

 

 

 

 

 

DS-1

 

 

 

 

 

 

PORT

 

 

 

 

 

 

T-1

 

 

 

 

 

 

DS-1

 

 

 

 

 

 

PORT

 

 

 

 

 

 

 

 

V.35 OR

 

 

 

DSC/

 

RS-232

 

 

 

 

DCP

 

 

 

PSC

DCP

 

 

 

 

 

PORT

MPDM

 

 

 

 

 

 

 

 

 

 

 

 

SYNCH.

 

 

 

 

 

 

CLUSTER

 

 

 

S75/S85/G1/G2

CONTROLER

Figure 9-2.SNA-Node to SNA-Node Connection

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AT&T 7200 series, 7500 series, 7100 series, 2500 series, 7400 series SNA Node Connections, SNA-Node to SNA-Node Connection