Stls4R - Siemens HiPath 3000 Service Manual

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Boards for HiPath 3000
Peripheral Boards
3.3.19

STLS4R

Introduction
The STLS4R (Subscriber And Trunk Line S
es for HiPath 3500 and HiPath 3300 (19-inch housing). These are operated either as external
trunk interfaces in TE (terminal equipment) mode or as internal S
work terminator) mode with cross-connected RX-TX lines.
The board does not supply terminals with power; In this case, power must be sup-
>
plied locally using a local plug-in power supply or a bus power supply unit, for exam-
ple.
Interfaces
S port 1
0
4 S ports
0
(MW8
(RJ49)
jacks)
S port 4
0
8
Figure 3-80 STLS4R Interfaces (S30817-K924-Z313)
3-198
11
X2
STLS4R
48
. . . 1
3 = SX +
4 = SR +
5 = SR –
6 = SX –
SX = Signal transmit
SR = signal receive
RACK) board provides four S
0
HiPath 3000 V5.0, HiPath 5000 V5.0, Service Manual
basic rate access-
0
buses (PMP bus) in NT (net-
0
50
X1
To
CUPR
CUCR
2
P31003-H3550-S403-4-7620, 02/05