Boards for HiPath 3000
P31003-H3560-S403-54-7620, 09/05
3-214
HiPath 3000 V6.0, HiPath 5000 V6.0, Provisional Service Manual
boards.fm
Peripheral Boards
3.3.20
STLS2 (Not for U.S.), STLS4
Introduction
The STLS4 board for HiPath 3550 and HiPath 3350 (wall housing) has four S
0
ports that can
operate as trunk interfaces or as subscriber line interfaces (see Page 3-216).
The STLS2 is an underequipped variant with two S
0
ports.
Interfaces
>
The board does
not
supply terminals with power. Power must be supplied locally us-
ing a local plug-in power supply or a bus power supply unit, for example.
Figure 3-84
STLS2 (Not for U.S.), STLS4 Interfaces (S30817-Q924-B313, -A313)
Not in
STLS2
X1
50
2
X2
STLS2/STLS4
1
2
3
4
S
0
ports
Mini-Western
To
CUP
CUC
2 = SX +
3 = SR +
4 = SR -
5 = SX -
6 5 4 3 2 1
SX = Signal transmit
SR = signal receive