Multiprotocol adapter performance

ITEM: RS4000015399



**************> QUESTION level 1 --> level 2 SPECIALIST <**************         
                                                                                
Question:                                                                       
Is it advisable to use the 4 ports of a Multiprotocol adapter                   
in the following way:                                                           
2 EIA232 at 19.2Kbps                                                            
2 V35 at 64Kbps                                                                 
Or do we have to expect performance problems?                                   
According to the documentation I've read it's possible but                      
is it also acceptable from a performance point of view?                         
Thanks for your help, best regards, Marina.                                     
**************> ANSWER   level 2 --> level 1 SPECIALIST <**************         
====> THIS TEXT HAS BEEN ENTERED BY IBM IN USA                                  
PMR E0227,998,758 was created on 96/09/24 at 12:53:19.                          
**************> ANSWER   level 2 --> level 1 SPECIALIST <**************        
====> THIS TEXT HAS BEEN ENTERED BY IBM IN USA                                  
====> ASGN: BUNLOEUR AT WTSCPOK  ================= DATE:960924                  
TIME:0924                                                                       
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**************> ANSWER   level 2 --> level 1 SPECIALIST <**************         
====> THIS TEXT HAS BEEN ENTERED BY IBM IN USA                                  
====> RESP: AIXOPSYS AT WTSCPOK  ================= DATE:960924                  
TIME:0949                                                                       
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**************> ANSWER   level 2 --> level 1 SPECIALIST <**************         
====> THIS TEXT HAS BEEN ENTERED BY IBM IN USA                                  
====> RESP: AIXOPSYS AT WTSCPOK  ================= DATE:960924                 
TIME:1445                                                                       
Response:                                                                       
                                                                                
That is correct, having:  2 EIA232 at 19.2Kbps                                  
                          2 V35 at 64Kbps                                       
on the Multiprotocol adapter is a viable configuration.  As far as              
the performance of the adapter, this will be largely dependent on               
the system environment.  Some things we can be sure of are:                     
                                                                                
  o  Each of the 4 ports in the Multiprotocol adapter are independent           
     of each other.                                                             
                                                                                
  o  Each interface, EIA232 and V35, was designed to transfer data at           
     19.2Kbps and 64Kbps, respectively.                                         
                                                                               
The data transfer rate when using V35 (64Kbps) will not be affected             
by the data transfer rate of EIA232 (19.2Kbps) since these protocols            
will be operating on independent ports as mentioned above.                      
                                                                                
Thank you for using AIX Technical Support.                                      
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                               


WWQA: ITEM: RS4000015399 ITEM: RS4000015399
Dated: 09/1996 Category: AIXCOMMS
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