Siemens HiPath 3000 Service Manual page 302

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