GDK-100
DIGITAL KEY TELEPHONE SYSTEM
100
Pin Assignments of RJ21 type jack on DTIB12/DTIB24/DSIB
See the clause 3.5.4.6 contact assignments of RJ21 type connector on extension board.
Area
A
Area
B
Area
C
Area
D
Area
E
Note:
1. Each area means the followings,
A
: GDK system,
B
: between the GDK system and MDF,
C
: cable in building,
D
: between Terminal connection point, e.g. terminating adapter and Terminal,
E
: digital terminals
2. Only two wires should be connected to digital terminals and Interface Board, so the
rest should be removed at MDF or Terminal Connection Point, as X points shown in
above figure.
Figure 2.5.4.1.c
Connection method when the 4-wire line cord, or
special connection method with with contact number 2 and 5.
MDF
1
2
3 4 5 6
G
DK-
100 DT
IB12/DT
IB24/DSIB
RJ21 type
connector
on the board
1
26
2
27
3
28
4
29
DT1
DR1
DT2
DR2
DT3
DR3
1
2
3 4 5 6
Содержание GDK-100
Страница 2: ...GDK 100 DIGITAL KEY TELEPHONE SYSTEM ii Blank sheet ...
Страница 52: ...GDK 100 DIGITAL KEY TELEPHONE SYSTEM 43 LKD 2NS LKD 8DS LKD 30DS LKD 30LD Figure 2 4 3 LKD Digital Keysets ...
Страница 53: ...GDK 100 DIGITAL KEY TELEPHONE SYSTEM 44 GSX 8BTN Figure 2 4 4 GSX Electronic Keysets GSX 33 EXE ...
