Installation Guide
ELISE2
4.7
System 900 Addressing
The System 900 address consists of two hexadecimal digits that are selected by the eight
sections of the address switch, SW2. Sections 5-8 of the switch select the first (most
significant) digit and section 1-4 select the second (least significant) digit. The address
must not be the same as any other System 900 unit address (see document System
Installation, On-site Paging System, TD 90227GB for more information).
1
IC24
Figure 8. The ELISE2 module addressing switch.
4.8
Connection of System Bus
The ELISE2 module can be installed together with other System 900 units, either via
modular system bus cabling or via twisted-pair lines.
2005-06-15 / Ver.G
SW4
BAT1
IC1
J2
J4
J22
J9
S3
J15
LED6
LED7
J7
RS232:3
J8
J11
J12
J13
RS232:2
RS232:1
900
900
J20
ETH
1
4
1
4
1
2
S4
J5
J6
J14
S5
S1
S2
SW2
LED1
1
8
J1
SW2
SW3
J10
1
2
J24
TD 92232GB
14
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