Setting up modem to dial out on PCI Mux

[ITeam]

Hi.

I have an Itanium server which has 2 x 8 port PCI Mux serial expander card. I am trying to set up a modem (Multitech 5600ZDXe) that is currently connected to the first port. I have used the pin settings off HP for the RJ45 - DB25 connector. Having no luck though. Keep receiving an 'unable to connect to modem' error in the application.

Can someone clarify if I require a getty to be running on the port it is connected to? It is required for polling other branches so dials out only.

I was under the impression that it was connected to /dev/tty2a1 (see ioscan below).

lass I H/W Path Driver S/W State H/W Type Description
=====================================================================
tty 0 0/0/1/0 asio0 CLAIMED INTERFACE PCI SimpleComm (103c129
0)
/dev/diag/mux0 /dev/mux0 /dev/tty0p0
tty 1 0/0/1/1 asio0 CLAIMED INTERFACE PCI Serial (103c1048)
/dev/GSPdiag1 /dev/mux1 /dev/tty1p2
/dev/diag/mux1 /dev/tty1p0 /dev/tty1p4
tty 2 0/3/2/0 pci_mux0 CLAIMED INTERFACE PCI Serial (113f90f0)
/dev/cua2a1 /dev/mux2 /dev/tty2a5
/dev/cul2a1 /dev/tty2a1 /dev/tty2a6
/dev/diag/mux2 /dev/tty2a2 /dev/tty2a7
/dev/diag/mux2_1 /dev/tty2a3 /dev/tty2a8
/dev/diag/mux2_2 /dev/tty2a4
tty 3 0/4/2/0 pci_mux0 CLAIMED INTERFACE PCI Serial (113f90f0)
/dev/diag/mux3 /dev/tty3a1 /dev/tty3a5
/dev/diag/mux3_1 /dev/tty3a2 /dev/tty3a6
/dev/diag/mux3_2 /dev/tty3a3 /dev/tty3a7
/dev/mux3 /dev/tty3a4 /dev/tty3a8

Thanks!

[Sameer_Nirmal]

Since dial-out is required, the getty should not run on the port . The getty required to be enabled
only in case of dial-in.

Just ensure you are using correct device file for the port where the modem is connected.
Select the appropriate communication parameters like speed , flow control etc.

Note the Modem indications when you power it on connected and when you are trying to access it through application. Check for DTR , maybe in application the DTR signle is specifically raised which requires DTR should not be enabled in the modem.
Likewise ensure the required settings in modem ( through AT commands ) , serial port settings, and application settings for communication to take place.

[Hanwant Verma_1]

Yes you should turn off getty process on this Multitech Modem via SAM, otherwise you wont be able to dial out.

[ITeam]

The problem was an incorrect pin out on the connector we had made up for the connection. Thanks for your help everyone.

[KMRT]

c'est la vie, and hello David/Analise...
I wouldn't trust anything that works on hp1's EISA mux to necessarily work on anything else! Just glad we were able to change all those adapters over in time.
And yep - the Guiness on Friday night was VERY good ... but the flight back was absolutely full of screaming kids - serves me right for picking a flight that only cost 3 quid!
Later,
"The Disavowed One"