Figure 3-89 S Bus To The Stmd8 Over The Mdfu Or Mdfu-E (Not For U.s.) - Siemens HiPath 3000 Service Manual

boards.fm
Boards for HiPath 3000
Peripheral Boards
S bus for connecting ISDN telephones (not for U.S.)
0
HiPath 3750
STMD8
MDFU cable
(CABLU)
Universal wall socket
●
UAE 8/8 (8)
AP: L30460-X951-X
UP: L30460-X952-X
Combination socket UAE 2 x 8 (8)
●
L30460-X958-X
Terminating resistors 2x100 ohms,
V39230-Z4101-F
Figure 3-89 S
0
Assignment of MW jack pins 1- 8:
8-pin
8 7 6 5
SR SX SX SR
4-pin
4 3
SR SX SX SR
Figure 3-90 Pin Assignments in MW Jacks
3-216
S bus
0
MDFU or
MDFU-E
Bus to the STMD8 over the MDFU or MDFU-E (Not for U.S.)
4 3 2 1
2 1
The maximum permitted S
length between the MDFU and the
last wall socket is 150 m (490 ft.).
Max.10 m
Max. of
8 terminals
Max.10 m
Max.10 m
6-pin
6 5 4
SR SX SX SR
Always establish contact on the
center four pins.
P31003-H3550-S403-4-7620, 02/05
HiPath 3000 V5.0, HiPath 5000 V5.0, Service Manual
bus
0
ISDN terminal
ISDN terminal
ISDN terminal
3 2 1