Keyscan EC2500 Series - Power Supply and System Power-up; Power Supply Specifications and Calculation

Keyscan Technical Guide (PC109x - 04.12)
104
Figure 81 – Multiple ACU Communication - CB-485M/CB-485/MC33H
See Communication Jumper J16 for multiple ACUs with CB-485M/CB-485s on page 106.
Brown White Brown White Green Green
Brown White Brown White Green Green
Brown White Brown White Green Green
Brown White Brown White Green Green
-PC
- CAT 5 Cable - 3 twisted pairs
- Control Board
-CB-485
- CB-485M
- MC33H Modem
- RS-232 Modem Cable
- Dedicated Analog Phone Line
PC with
Communication
Manager
Jumper ON
J1
(First & Last
CB-485)
Jumper
OFF J1
Jumper ON
J1
(First & Last CB-485)
CAT 5
CAT 5
- RS-485 cable maximum 2000 ft (609 m) @ 9600 BPS
between CB-485s
- may substitute equivalent to CAT 5 - 3 twisted pairs
- maximum baud rate is 19,200 with CB-485M
CAT 5
connect to
analog phone
line
to Com Port
RJ 11 Terminal
- connect to analog
phone line
12 VDC Adaptor
(plug on reverse side)
RS-232 Modem Cable
MC33H
Modem
Blue White Blue
Blue White Blue
Blue White Blue
MC33H jumper - DCE
Parts List
Connect CB-485 ribbon cable
to CPB/CB MODULE terminal
on control board.
H1
Common AUX Inputs - E
CPB/CB MODULE
(COM4)
CB-485
Control
Board
(PC 109x)
TX
LED
RX
LED
Important
Jumper ON
J16 – G to
activate CPB/
CB MODULE
(H1) terminal.
GND
RD
NC
TD
TX
LED
RJ11
Terminal
BRN
WHT
GRN
WHT
BRN
WHT
GRN
WHT
BLU
WHT
RS485 IN RS485 OUT M
+
-
+
-
+
-
+
-
Jumpers
ON
Run
Run
Program
Modem
Chip
RINGDCD
RX
LED
Current Draw 360 mA
CB-485M
B
LED
J1
Jumpers
ON Run
CB-485
Current Draw - 110 mA
BRN
WHT
GRN
WHT
BRN
WHT
GRN
WHT
BLU
WHT
RS485 IN RS485 OUT M
+-+-+-+-
Run
Program
RX
LED
TX
LED
GND
RD
NC
TD
J1
Jumpers
ON Run
CB-485
Current Draw - 110 mA
BRN
WHT
GRN
WHT
BRN
WHT
GRN
WHT
BLU
WHT
RS485 IN RS485 OUT M
+-+-+-+-
Run
Program
RX
LED
TX
LED
GND
RD
NC
TD
H2
KI-00184E-07-11