[Asterisk-Users] AT&T T1 Cable Needed!

[Don Pobanz]

Normal RJ48 jack (some call it an RJ45 which is the same physically)
out of equipment on pins 1 & 2 (Tip & Ring)
into equipment on pins 4 & 5. (Tip & Ring)

Normally tip is the lower number so I would *guess* that you need.

pin 1 --> pin 22
pin 2 --> pin 47
pin 4 <-- pin 23
pin 5 <-- pin 48

Don Pobanz

On Friday, April 04, 2003 3:54 PM, John Harragin 
[SMTP:jharragi at mw.k12.ny.us] wrote:
> After days of searching, I found H600-307. Searching this yeilded a
> pinout -
> ta da!
>
> 47 LI (High)
> 22 LI
> 48 LO
> 23 LO (High)
>
> (there is also a loopback pair - but I won't bore you with this)
>
> I get:  I=In, O=Out
>
> Does anyone know if High (telephone lingo) corresponds to tip or 
ring?
>
> On our normal RJ45 do we transmit (Out) on 1&2 or 4&5?
>
> John
>
>
>
> -----Original Message-----
> From: asterisk-users-admin at lists.digium.com
> [mailto:asterisk-users-admin at lists.digium.com]On Behalf Of John
> Harragin
> Sent: Friday, April 04, 2003 2:25 PM
> To: Asterisk
> Subject: [Asterisk-Users] AT&T T1 Cable Needed!
>
>
> Hi,
>
> I just got a T1 interface for a AT&T (became Lucent) System75 (uses
> same
> cards as Definity). I would take a crack at making a cable but can't
> determine the pinout for a cable and it is not apparent from the
> board.
> Asking you guys makes sense as one of you may have one of these
> systems. The
> cable has a amphenol male D50 connector on one end and probably a 
rj45
> on
> the other. I also don't know if any other devices are needed between
> the
> System75 and asterisk The DS1 Tie Trunk card is a TN722B.
>
> Any information would be helpful.
>
> Thanks,
>
> John
>
>
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