Chapter 2 - Blade Installation and Startup
Chapter 2 2 - 83
2.7.6.1 Setting the SW1-SW2 Switches
In the following cases, the SW1-SW2 switches (6-8 bits on both SW1 and SW2) should be set to the
ON position (default):
● When the channel is assigned as a T-Bus Point-to-Point.
● With T-Bus Point-to-Multipoint and if the system is connected at the end of the
multipoint.
Otherwise, the SW1-SW2 switches should be set to the OFF position. If the last port of the ISDN
terminal is connected to a modular rosette with a termination resistor or when using an ISDN
terminal which provides a termination resistor, refer to the ISDN terminal documentation for further
details.
Figure 2-40: BRI BLADE AND DAUGHTER BOARD
Blade Maximum’s
9.5”
Chassis
19” Chassis
w/CCPU
19” Chassis
w/o CCPU
19” Chassis
x4
System Max.
w/Networking
2 5 6 23 T-Bus: 25
S-Bus: 64
Busy LED
ISDN Terminal
Interface
Staus LED
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