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7406D wiring
- Thread starter rvw
- Start date
- Thread starter
- #3
Yes, both phones use the same wiring as Jaymzter stated.
Assuming standard wiring from the 754B you skip the blue pair on the switch side (typically switch has c-3 connector blu/orang/grn) and only use the orange and green. On the station side, you would also use the orange and green pair. Most of the time (in my area) the station cable is on a 110 block at the switch side and a RJ45 Jack pined to T568b (the old att 258A standard) on the station side. If this is how you have it, then the cross-connect would be straight thru. I.e. orange to orange and green to green. If however your station side is on a RJ45 jack pinned 568A then you would need to swap the green and orange pair in the cross-connect. This configuration wont work with RJ11 Jacks, because they dont have enough pins. I can tell you how to wire a RJ11 cord if you need it done that way.
Probably TMI, but hey
RTMCKEE
Assuming standard wiring from the 754B you skip the blue pair on the switch side (typically switch has c-3 connector blu/orang/grn) and only use the orange and green. On the station side, you would also use the orange and green pair. Most of the time (in my area) the station cable is on a 110 block at the switch side and a RJ45 Jack pined to T568b (the old att 258A standard) on the station side. If this is how you have it, then the cross-connect would be straight thru. I.e. orange to orange and green to green. If however your station side is on a RJ45 jack pinned 568A then you would need to swap the green and orange pair in the cross-connect. This configuration wont work with RJ11 Jacks, because they dont have enough pins. I can tell you how to wire a RJ11 cord if you need it done that way.
Probably TMI, but hey
RTMCKEE
- Thread starter
- #5
hrmm...
Is the port set up for the 7406D? If so these are the things i would try:
Busy/rel the port
swap the cross-connect i.e. orange to green and green to orange. (if im not mistaken on pair is for voice the other is for buttons\features of the phone)
take the phone and line cord into the switch room and punch it down directly onto the switch side to verify operation
Maybe reset the Tn754b?
I just came from a company that had over 2000 7406D's those things are fool proof. My guess is its probably a cabling issue, I hate to say it coming from 10 years in the cabing biz, but that is always where the weak spot seems to be.
RTMCKEE
Is the port set up for the 7406D? If so these are the things i would try:
Busy/rel the port
swap the cross-connect i.e. orange to green and green to orange. (if im not mistaken on pair is for voice the other is for buttons\features of the phone)
take the phone and line cord into the switch room and punch it down directly onto the switch side to verify operation
Maybe reset the Tn754b?
I just came from a company that had over 2000 7406D's those things are fool proof. My guess is its probably a cabling issue, I hate to say it coming from 10 years in the cabing biz, but that is always where the weak spot seems to be.
RTMCKEE
Hello,
This is how the wiring should be:
This is for port one on the TN754B. Between each port there's a "blank" pair (two pins), so the next port (# two) would be on pins 9,10,11 & 12 on the MDF 110 and so on.
Also, like RTMCKEE mentioned, if this still doesn't work, check the cabling in between the MDF and the outlet for crossings, breaks, and also check the cable to the phone itself. TIP: if the (any) RJ45 cable works for ethernet, it should also work for 4 wire terminals, as both use the same wires/pins. But: if only one wire is broken, or crossed, it will fail (even if the crossing is between a logical pair, ie: TXT/TXR).
Cheers,
Nico
This is how the wiring should be:
Code:
MDF (Definity side)
110HW pin# signal/color
3 TXT/wh-or
4 TXR/or-wh
5 PXT/wh-gn
6 PXT/gn-wh
Outlet (phone side)
RJ45 pin# color
1 wh-or
2 or-wh
3 wh-gn
6 gn-whAlso, like RTMCKEE mentioned, if this still doesn't work, check the cabling in between the MDF and the outlet for crossings, breaks, and also check the cable to the phone itself. TIP: if the (any) RJ45 cable works for ethernet, it should also work for 4 wire terminals, as both use the same wires/pins. But: if only one wire is broken, or crossed, it will fail (even if the crossing is between a logical pair, ie: TXT/TXR).
Cheers,
Nico
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