19(46)
Date
Rev
Documentnumber
Prepared
Doc respons/Approved
Checked
Reference
1998-05-29
L
1531-BDV BS 101 01 Uen
INSTALLATION INSTRUCTION
Subject responsible
6.10
BTU-E (ROF 157 5113/_)
106...406
S1 S2 S3 S4
1
2
on
108/308
S5
INDIVIDUAL 0
2-wire connection
1
2
3
4
106...406
S1 S2 S3 S4
1
2
on
108/308
S5
INDIVIDUAL 1
INDIVIDUAL 2
INDIVIDUAL 3
4-wire connection
uses switches 306 and 308/1 uses switches 406 and 308/2
SPEECH CONNECTION SETTINGS
uses switches 106 and 108/1 uses switches 206 and 108/2
on
1
2
3
4
on
M-WIRE CONNECTION SETTINGS
APPLICATION
SPEECH M-WIRES
PAGING
2-wire
S6..off
S7..off
S8..off
AMERICAN
E&M
SIGNALLING
4-wire
S6, S7 and S8
see local
requirements
DOUBLE
M-WIRE
SIGNALLING
4-wire
S6..on
S7..on
S8..off
CAILHO E&M
SIGNALLING
S6..off
S7..off
S8..off
4-wire
CEPT L1/SSAC 15
4-wire
S6..off
S7..off
S8..off
3
10
2
INDIVIDU
ALS
INDIVIDU
ALS
3
1
0
2
206
M-WIRE SETTINGS
Only on /2 boards
S8 connects 0V to M20-wire.
S7 connects 0V to M0 wire locally.
S6 connects -48V to M1 terminal via 6.2 Kohm
406
306
106
108
308
SPEECH CONNECTION SETTINGS
Switches select between 2- or 4-wire speech
connection. Two individuals share switches 108
and 308
On boards with Rev. R2A these switches are re-
placed by relays. These relays are set automat-
ically by programming the filter coefficients.
Speech (field 4)
RED
YELLOW
GREEN
YELLOW
GREEN
LA_0
LB_0
LA_1
LB_1
LC_0
LD_0
LC_1
LD_1
Signalling (field 6)
M2_0
M20_0
M2_1
M20_1
E2_0
E20_0
E2_1
E20_1
E2_2
E20_2
E2_3
E20_3
M2_2
M20_2
M2_3
M20_3
M1_0
M0_0
M1_1
M0_1
M1_2
M0_2
M1_3
M0_3
E1_0
E0_0
E1_1
E0_1
E1_2
E0_2
E1_3
E0_3
LC_2
LD_2
LC_3
LD_3
LA_2
LB_2
LA_3
LB_3
A C
A C
LA & LB - 2-wire send/re-
ceive or 4-wire send.
LC & LD - 4-wire receive.
M20_ and M0_ can be switched by S7 and S8 to 0V on
the BTU-E_ locally.
1
1
1
18
20
22
24
26
28
30
32
Connection field 4 and 6 at front of BTU-E_
S6
S7
S8
1 2
3
on
209
409
309
109