I am running 2 TDM400's in a single machine without a drama. It is a
scenario that will work, but you have to be careful with your PCI slots
and IRQ assignments. I basically disabled everything on board that was
not needed (USB, floppy, IDE2 etc) and had to play around with which
slot the cards went in to ensure that neither of the TDM cards were
sharing resources with something else like the on board eth controller.
You can check that nothing is overlapping by checking the interrupts file -
[EMAIL PROTECTED] dnsadmin]$ cat /proc/interrupts
CPU0 CPU1
0: 290358233 290361097 IO-APIC-edge timer
1: 1 7 IO-APIC-edge keyboard
2: 0 0 XT-PIC cascade
8: 0 1 IO-APIC-edge rtc
12: 26 23 IO-APIC-edge PS/2 Mouse
14: 5352052 5654300 IO-APIC-edge ide0
16: 2872787990 2934678034 IO-APIC-level wctdm
17: 2934636010 2872725440 IO-APIC-level wctdm
19: 46509717 13 IO-APIC-level usb-uhci, eth0
NMI: 0 0
LOC: 580765319 580765318
ERR: 0
MIS: 0
[EMAIL PROTECTED] dnsadmin]$
as you can see, in this setup, the usb bus and the eth controller are
sharing, but the tdm cards are on their own. With certain configs, 1 of
the tdm cards was sharing with the eth controller, so was just a case of
trying different combinations to make sure there was no sharing.
One other thing you might want to consider is instead of going for 2
TDM400's, put in 1 TDM2400 with 1 bank of FXO and 1 bank of FXS - the
price isnt too much different and you have room to grow. This is the
config we are running with for all new systems from now on that require
more than 4 FXO/FXS ports.
Cheers,
Ben
Marc Archer wrote:
Hi All,
Can someone give me a definite answer as to wether or not you can
reliably run multiple TDM400P’s in the same machine?
I need 4 x FXO and 4 x FXS to connect to both the PSTN and existing key
system, but I have seen several threads suggesting that this is not a
supported configuration
Thanks,
Marc.
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