User guide

18
Chapter 2 - Hardware Installation
I
O
A
D
D
R
LINE 1
LINE 2
B1 B2
B1 B2
ISIHI-2S LED Indicators
B1 LED Indicator
 When lit, indicates active or
voice connection on B-channel 1.
B2 LED Indicator
 When lit, indicates active or
voice connection on B-channel 2.
The settings of the multiple DIP switch
unit on the mounting bracket determine
the base Input/Output address for the
ISIHI-2S/2U card. Input/Output
(I/O) addresses are used to route
information to and from the card.
Figure 2-6. ISIHI-2S LEDs