Toshiba Strata DK40 Installation & Maintenance Manual page 126

DK40 Universal Slot PCBs
Note: The modular pins are numbered left to right when
looking into the jack cavity with the locking clip down.
Network Jack/RPTU Modular Jack
Pin
1 Tip – Receives from the network (NT – TE)
2 Ring – Receives from the network (NT – TE)
3
4 Ring – Transmits to the network (TE – NT)
5 Tip – Transmits to the network (TE – NT)
6
7
8
Figure 3-17
3-36
Refer to the Strata DK40 Programming Manual or DK Library CD-Rom for more details.
1-T1
1
2-R1 2
NTE
3-
3
4-R
4
8-pin
5-T
5
Modular
6- 6
Jack
7-Nu
7
8-Nu
8
Function
Not Used
Not Used
Not Used
Not Used
Detailed Pinouts for ISDN PRI Cabling
RPTU ISDN Primary Rate Interface Unit
2753
1 1-T1
2 2-R1
3 3-
RPTU
4 4-R
8-pin
5 5-T
Modular
6 6-
Jack
7 7-Nu
8 8-Nu
Toshiba-supplied Ferrite core
Toshiba-supplied 8-wire
modular cord, straight-through
pinning (5M CAT5, shielded)
Front View of RJ45 Jack Cavity
Note: The RJ45 pins are numbered
Strata DK40 I&M Manual Spring 1999
87654321
3048
as shown above.