28(57)
Date
Rev
Documentnumber
Prepared
Doc respons/Approved
Checked
File/Reference
1999-07-15
V
1531-BDV 113 08 Uen
INSTALLATION INSTRUCTION
Subject responsible
5.14
ELU-A and ELU-D_
The connection of extension boards described in this
chapter are:
•
ELU-A (ROF 1575 114/1)
•
ELU-A2 (ROF 1575 114/2)
•
ELU-D (ROF 1575 116/_)
•
ELU-D3 (ROF 157 5130/_)
On the first ELU-D_ board in the system the first three
extension positions should be used to connect the
OPERATOR telephones.
On sub-equipped ELU-A and ELU-D_ boards the con-
nection for extensions 8...15 (32) are not mounted.
1 2
This switch is mount-
ed for future use
3 4
ON
Example: view of the ELU-D3 board
LA0
LA1
LB0
LB1
LA2
LA3
LB2
LB3
LA4
LA3
LB4
LB5
LA6
LA7
LB6
LB7
LA8
LA9
LB8
LB9
LA10
LA11
LB10
LB11
LA12
LA13
LB12
LB13
LA14
LA15
LB15
LB14
These terms and connections apply in connection
field 6 at front of an ELU-D(3) and ELU-A
The connections in field 4 are in brackets (only on
ELU-D3 for individuals 16 to 31)
26
28
30
32
C
18
20
22
24
A
(LA16)
10
12
14
16
02
04
06
08
(LA17)
(LB16)
(LB17)
(LA18)
(LA19)
(LB18)
(LB19)
(LA20)
(LA21)
(LB20)
(LB21)
(LA22)
(LA23)
(LB22)
(LB23)
(LA24)
(LA25)
(LB24)
(LB25)
(LA26)
(LA27)
(LB26)
(LB27)
(LA28)
(LA29)
(LB28)
(LB29)
(LA30)
(LA31)
(LB31)
(LB30)
Extension Line
connector to
terminal
equipment