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Old May 1st, 2007   #1 (permalink)
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Exclamation Help on how to Cable out T1

Hello,

I just created two new TIE lines on our PBX which I need to extend from the Basement (Where my switch is) to the 5th floor (where my server sits)

This is how I am going to get up to there.

RJ45 from the back of the switch, splice other end and punch down on BIX1A.
BIX1A extends to the 5th Floor Riser where I come out on another BIX1A, from this BIX1A it extend it over to the BIX1A which goes to a standard DATA jack on the 5th Floor. From the DATA jack I am going to run another eternet cable which will connect to the back of the server.

I am having a bit of a challenge with the color coating, specifically with the spliced end of the eternet cable going into the bix, not sure which colors I need to punch down where.

I tried a multitude of combinations, I have a loopback at the end of my jack on the 5th Floor but I never get a loopback regardless of which color combination I use.

I've cleared all the usual suspects, I know the cable is good, I am on the right jack, etc....

Any help would be appreciated.
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Old May 1st, 2007   #2 (permalink)
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If it's standard color code on your cables it should be the Orange and Blue pairs Pins 1,2 & 4,5. On standard ethernet patch cables it should be
1 wo
2 ow
3 wg
4 bw
5 wb
6 gw
7 wb
8 bw

so you would punch the cables corresponding to 1,2 and 4,5 to 2 sets of riser pairs then xconnect the riser pairs to the data jack pairs 1,2 4,5.
You may need a crossover to make it work it which case you would flip the xconnect on the riser pairs so 4,5 & 1,2.
Depending on the length of the run, you may need to change the loss settings on the T1 card, or use a external CSU.

Hope this helps

Wherewolf
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Old May 2nd, 2007   #3 (permalink)
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T1 use DB9 instead of RJ45 in M1.

What hardware you are connected on M1 and the server on other end??
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Old May 2nd, 2007   #4 (permalink)
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Nortel T1/E1 DB-9 Cable Pinout

DB-15 Male handoff
1 -----> T Tx Tip to Net
9 -----> R Tx Ring to Net

2 <----> FGND Frame Ground

3 <----- T1 Rx Tip from Net
11 <----- R1 Rx Ring From Net
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Old May 2nd, 2007   #5 (permalink)
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the wire scheme should be T568A not B
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