EST LSRA - Page 17

Application
Connection to an FCC/DCPU Printer Port
When used in FCC/DCPU applications, each annunciator can store 650
messages and will display the zone information for all alarms received,
even though there is no associated message stored in its database.
When connected to an FCC/DCPU, the LSRA(-C)s are networked
together to form a Life Safety Remote Annunciator Network. Each
DCPU port can support up to 32 annunciators in any combination.
PT1-S PT1-S PT1-S
PT1-S PT1-S PT1-S
[XMDN-005.CDR]
DCPU
LSRA(C) LSRA(C) LSRA(C)
LSRA(C)
1
23
32
PT1-S PT1-S
R
S
-
2
3
2
COMMUNICATIONS
50 FT. (15.2 M) MAX.
FROM DCPU
RS-485 COMMUNICATIONS
TO
A
DDITIONAL
LSRA(C)
OR OTHER
NETWORK
DISPLAYS
FCOM
232
DCPU
LSRA(C) LSRA(C) LSRA(C) LSRA(C)
LSRA(C)LSRA(C)LSRA(C)LSRA(C)
1
1
2
2
3
3
32
32
RS-232
COMMUNICATIONS
50' (15.2 M) MAX.
FROM DCPU
RS-485 COMMUNICATIONS
TO
A
DDITIONAL
CMDN(C)
OR OTHER
NETWORK
DISPLAYS
FCOM
232
Figure Chapter 2-3:Class B DCPU Printer Port to Annunciator One Line
Diagram
[XMDN-006.CDR]
Figure Chapter 2-4:Class A DCPU Printer Port to Annunciator One Line
Diagram
LSRA Installation, Operation, Maintenance, and Configuration Manual 2.3
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