EST CM1 - Specifications; Installation

Network Controllers Manual 51
RED STRIPE
INSTALL HEADER IN PLACE
OF RS-485 CHIP.
[NWC-0023.CDR]
MAXIM
UCN 5800A
9111
UCN 5800A
9111
UCN 5800A
9111
UCN 5800A
9111
TB1 TB3
TB2
24V COM EARTH
DATA
IN
DATA
OUT
+
+
+
--
TO "DATA IN"
TERMINALS
OF NEXT SO-20.
TO "DATA OUT"
TERMINALS
OF PREVIOUS
SO-20.
TO CORRESPONDING
TERMINALS OF
PS4/8B WITHIN SAME
ENCLOSURE
1
1
Supervised and power limited.
SO-20 and COMM-3S installed in common enclosure.
Remove SN-75176, RS-485 driver chip and replace with
header installed with red stripe oriented toward
notched end
(
pins 1 and 8
)
of socket.
NOTES:
1
2
3
3
P3
J3 J4
P1
P2
J1
J2
firealarmresources.com