3.13 Automation Computer Connection; Figure 3-11: Battery Connections; Figure 3-12: 25-Pin Null Modem Cable Connection - Honeywell ADEMCO MX8000 Installation And Operation Manual

MX8000-3EX Installation and Operation Guide

3.13 Automation Computer Connection

An automation computer can be connected to Com Port 1 on the MX8000–3EX receiver. Com Port 1 is a 9-
pin DTE port. Refer to Section 8 for details on automation communication protocols. The diagrams below
describe some of the cable options.
3–10
Red: Battery Positive
Figure 3–11: Battery Connections
MX8000 9-PIN DTE
4 DTR
6 DSR
7 RTS
8 CTS
1 DCD
3 TXD
2 RXD
5 GND
Figure 3–12: 25-Pin Null Modem Cable Connection
115 VAC ± 10%
240 VAC ± 10%
50-60 Hz
FUSE
100 VA
T630mAL
250 VAC
WARNING!
REPLACE ONLY
HIGH VOLTAGE PRESENT
WITH A FUSE
DISCONNECT AC LINE AND
OF SAME TYPE
ALL OTHER CONNECTORS
PROIR TO SERVICING
RELAY RATING
2.5A 48VAC/VDC
COM 1
BATT- UNUSED
BATT+ RLY NO
RLY NC RLY COM
PARALLEL
COM 2
Black: Battery Negative
Replace Battery
Every 5 Years
25-PIN DTE
DTR 20
DSR 6
RTS 4
CTS 5
DCD 8
TXD 2
RXD 3
GND 7