Modem set up advice

[Sybex9]

Today I received my PIN code so that I'm able to add my free modem self install to my set top box. Currently I am running my XL Internet from the STB hence the reason of upgrading to a modem. I have noticed there is a 6db Attenuator between VM wall Box and the STB, my question is, Do I put the splitter before the attenuator or after the attenuator.
Cheers...

[oliver1948uk]

The engineer fiitted the attenuator straight into the 255 modem, with the cable plugged into the attenuator.

My speed is usually good (though variable). After passing to a Linksys WRT54G router and by wireless to my computer, the test I have just done is as follows (the clock on the tester appears to be an hour slow!):

Tue, 8 Apr 2008 08:49:08 UTC

Test 1: 1024K took 448 ms = 2285.7 KB/sec, approx 18834 Kbps, 18.39 Mbps
Test 2: 1024K took 447 ms = 2290.8 KB/sec, approx 18876 Kbps, 18.43 Mbps
Test 3: 1024K took 443 ms = 2311.5 KB/sec, approx 19047 Kbps, 18.6 Mbps
Test 4: 2048K took 893 ms = 2293.4 KB/sec, approx 18898 Kbps, 18.46 Mbps

Overall Average Speed = approx 18914 Kbps, 18.47 Mbps

[Sybex9]

Originally Posted by oliver1948uk

The engineer fiitted the attenuator straight into the 255 modem, with the cable plugged into the attenuator.

My speed is usually good (though variable). After passing to a Linksys WRT54G router and by wireless to my computer, the test I have just done is as follows (the clock on the tester appears to be an hour slow!):

Tue, 8 Apr 2008 08:49:08 UTC

Test 1: 1024K took 448 ms = 2285.7 KB/sec, approx 18834 Kbps, 18.39 Mbps
Test 2: 1024K took 447 ms = 2290.8 KB/sec, approx 18876 Kbps, 18.43 Mbps
Test 3: 1024K took 443 ms = 2311.5 KB/sec, approx 19047 Kbps, 18.6 Mbps
Test 4: 2048K took 893 ms = 2293.4 KB/sec, approx 18898 Kbps, 18.46 Mbps

Overall Average Speed = approx 18914 Kbps, 18.47 Mbps

If I was to put the attenuator straight into the modem then wouldn't I need one for my STB

---------- Post added at 11:43 ---------- Previous post was at 10:01 ----------

Just q quick up date to say I have installed this Modem without any problems, I ended up placing the splitter box before the attenuator.Only problem I have now is that I'm only getting about 9 Meg on my so called 20 Meg Internet connection...

[Jonnymeg]

The attenuator drops the signal. And so does a splitter. The attenuator drops it by 6db the spitter by 3-4 db.
I would remove the attenuator completely and just use the splitter. Your kit will get about 2 db's more signal this way which is better than leaving it in and taking 3-4 db's of both services.

2 db's is reall neither here nor there.

[Sybex9]

Originally Posted by Jonnymeg

The attenuator drops the signal. And so does a splitter. The attenuator drops it by 6db the spitter by 3-4 db.
I would remove the attenuator completely and just use the splitter. Your kit will get about 2 db's more signal this way which is better than leaving it in and taking 3-4 db's of both services.

2 db's is reall neither here nor there.

Thanks for that info Jonnymeg, I shall give that a try over the weekend..

At the Moment I have Cable Modem Downstream Recieve Power Level at 0.7db and SNR at 33db, Upstream Transmit Power Level is 41.5 db...

[Jonnymeg]

Originally Posted by Sybex9

Thanks for that info Jonnymeg, I shall give that a try over the weekend..

At the Moment I have Cable Modem Downstream Recieve Power Level at 0.7db and SNR at 33db, Upstream Transmit Power Level is 41.5 db...

Those levels are fine.