Alpha Technologies CFR 3000, CFR 3000RM - Manual (Page 15)

9 1 Introduction
1.3 The Alpha CFR 3000 and 3000RM (Continued)
RS-232 Connector
This DB–9 port is the RS–232 connection
(Section 2.6).
LAN Interface Connector
This DB–9 port provides dry contact
status monitoring and output shutdown
capability via LAN communication (Sec-
tion 2.7).
External I 2 D
An external IID plugs into this connector
for remote control and monitoring.
External Alarm Connector
This RJ–45 connector provides line
failure and low battery warning informa-
tion and allows the connection of an
emergency shutdown switch with Form–
C contacts (Section 2.5).