Siemens HiPath 3000 - Page 302

Boards for HiPath 3000
P31003-H3550-S403-4-7620, 02/05
3-236 HiPath 3000 V5.0, HiPath 5000 V5.0, Service Manual
boards.fm
Peripheral Boards
E&M interface type 2 - circuit diagram, MDFU or MDFU-E numbering (not for U.S.)
Figure 3-100 E&M Interface Type 2 - Circuit Diagram, MDFU or MDFU-E Numbering (Not for
U.S.)
1
4
5
6
2
3
a2
b2
a1
b1
2
2 3
1
5 6
4
S104
- 48 V
E
SG
M
SB
TIEL
Circuit 1, E&M interface type 2
4 speech wires
Splitting strip in MDFU/MDFU-E
CCT
1
CCT
2
CCT
3
CCT
4
Notes
1 a 5 a 9 a 13 a
Outgoing
speech
1 b 5 b 9 b 13 b
2 a 6 a 10 a 14 a
Incoming
speech
2 b 6 b 10 b 14 b
3 a 7 a 11 a 15 a Incom-
ing
signal-
ing
3 b 7 b 11 b 15 b
4 a 8 a 12 a 16 a
Out-
going
signaling
4 b 8 b 12 b 16 b
- 48 V
27
PTC
K101
S103
1
4
3
S102
1
2.4 k
150 120
Optocoupler
S104
S104
5
2
6
3