Toshiba STRATA DK14 Installation And Maintenance Manual page 662

ISDN Interfaces
RPTU Installation
Cable Installation
The RPTU PCB is shipped with a Toshiba RPRI cable kit for connection of the RPTU to a CSU.
Install the kit as shown in
ISDN PRI
Network
Jack
RJ45
Network
Interface
Jack
RJ48-C
or
RJ48-X
(8-pin
Modular)
Toshiba-supplied 8-wire modular
cord, straight-through pinning
(15 ft. CAT5, unshielded)
Toshiba-supplied 8-pin modular
cord to DB15 female adapter
Network Jack/RPTU Modular Jack
Pin
1 Tip – Receives from the network (NT – TE)
2 Ring – Receives from the network (NT – TE)
3 Not Used
4 Ring – Transmits to the network (TE – NT)
5 Tip – Transmits to the network (TE – NT)
6 Not Used
7 Not Used
8 Not Used
Figure 16-4 Detailed Pinouts for ISDN PRI Cabling
16-12
Figure 16-3.
(female)
A
B
2752
Item
1
Fifteen feet of CAT5 unshielded cable
A
B One DB15 modular adapter (CSU to network jack)
C One DB15 modular adapter (CSU to RPTU)
1
Thirty feet of CAT5 shielded cable
D
E One Ferrite core
1. Cable A and D are straight-pinned data cables, not cross-pinned
telephony cables.
CSU Local Power
Adapter
1-T1 1 3 3-T1
1 1
2-R1 2 11
2 2 11-R1
3- 3 3-
3 3
4-R
4 4 4 9 9-R
5-T 5 1
5 5 1-T
6- 6
6 6
7-Nu
7 7 7
8-Nu 8
8 8
CSU
DB15
Male
Dealer-supplied CSU
Function
CSU
DB15 DB15
(male)
C
Description
3-T1
3 1
11-R1 11 2
C 3-
3
9-R 9 4
S
1-T 1 5
U
6
7
8
CSU
DB15
Female
RPTU
D
E
2753
1 1 1-T1
2 2 2-R1
3 3 3-
RPTU
4 4 4-R
8-pin
5 5 5-T
Modular
6 6 6-
Jack
7 7 7-Nu
8 8 8-Nu
Toshiba-supplied Ferrite core
Toshiba-supplied 8-wire
modular cord, straight-through
pinning (30 ft. CAT5, shielded)
Toshiba-supplied 8-pin modular
to DB15 male adapter
Strata DK I&M 6/00