Modules
3-66 Service Manual
Expansion modules (EB)
3.5.3 S
0
module
Introduction
This module provides access to ISDN networks and network resources through 2/5 S
0
standard digital access channels (4 or 10).
Functions
● Each ISDN access provides 2 64 Kbits/s channels, which are used for communication
● Depending on whether your carrier has enabled them, some features such as Caller ID,
Caller ID Blocking, Direct dialing to extensions and so on may be provided.
3.5.3.1 HiPath 1120
Interfaces
Figure 3-10 HiPath 1120 S
0
module
HiPath 1120 S
0
module jumpers
X2 - Port 1 X3 - Port 2
Configuration Jumper Pos. Configuration Jumper Pos.
Extern S
0
Trunk
(Point to Point,
Point to Multipoint)
X4 = 1-2
X5 = 1-2
Extern S
0
Tr u nk
(Point to Point,
Point to Multipoint)
X6 = 1-2
X7 = 1-2
Intern S
0
-BUS NOT
PERMITTED
Intern S
0
-BUS X6 = 2-3
X7 = 2-3
X1 Connection to the MB through a pin Connector
X2 Port 1 - RJ 45
X3 Port 2 - RJ 45
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