modem on a rp3440

[Kevin Liquori_1]

We've installed an rp3440 at one of our sites and I'm quite unfamiliar with the architecture. I need to connect a single modem for dialing out only. Is this possible on serial port B or on the Remote connector hanging of the MP or do I need an additional mux card installed?

Thanks,
Kevin

[Mohanasundaram_1 · Accepted solution]

Hi Kevin,

The remote console is not meant for user dialup. it is only for HP Response centre to dial-in.

From the rp3440 training addendum........

The serial port controller is an Exar 162550 Dual-UART controller. It is fully compatible with the industry standard 16550 UART. Both ports implement all the serial signals, including modem and RING.
The two ports may be used either as general purpose serial ports, debug port or
headless/console port. The customer selects the usage of the ports through firmware settings.

Hope it helps.

Cheers,
Mohan.

[Kevin Liquori_1]

Thanks for the info Mohan. Do you happen to know if the port in SAM sees the remote port on the GSP as port 2 or 4? Those are the only options I see. Thanks again.

Kevin

[Mohanasundaram_1]

Hi Kelvin,

I am yet to lay my hands on this rp3440 so I am not aware. But What I can say is, SAM will indicate the hardware path. You can co-relate this with the port numbers. Use Ioscan as well.

Then you can identify your port. Hope this helps.

Cheers,
Mohan.

[Mohanasundaram_1]

Hi Kevin,

Just found this errata released about the rp3410 and rp3440 on the docs.hp.com. According to this document the serial ports are only for factory use.

Therefore you cannot use them for modem connectivity. Check the attachment here.

Cheers,
Mohan.

[Kevin Liquori_1]

Thanks for your help. I connectde the modem to the Remote port on the GSP (port 2 in SAM) and it's working now.

[Dan Matlock_1]

I have similiar question? I need to connect a external modem to a rp3410 for a application to dial out. Can the USB connections be used?