Specifications

CI-1 and CI-8 Communications Interface
2-2
The CI-8 is designed to operate only with WSE access control equipment, and only as described
herein. For other applications, contact WSE Customer Support.
CI-8 features and specifications are listed below.
Housing Dimensions 6.76in X 10.88in X 1.55in (17.17cm X 27.64cm X 3.94cm).
Operating Temperature 32° 120°F (0° 50°C).
Humidity 0 to 95% non-condensing.
Fuses Two 1-amp fuses for battery input, F1 and F2.
Primary RS-232C DTE
Port
25-pin RS-232 connection to host computer system. DB-
25 connector.
RS-232C Port Eight 25-pin RS-232 ports for connection to ACUs. DB-25
connectors.
Power Input Connection to power supply or AC transformer and backup
battery. Terminals labeled AUX AC, CT, AC, BATT-,
COMM and BATT+. 6-pin Phoenix connector. Nominal
AC input power is 18 VAC, 750 mA.; Two backup batteries
should be 12 VDC rated at 20 amp-hours
20mA Loop Ports Eight ports for connection to ACUs. Terminals labeled
RX+, RX-, TX+ and TX-. Eight 4-pin Phoenix connector.
Use unshielded, dual, twisted pair wire, minimum 24 AWG
20mA Loop Enable
Switches
Eight switches corresponding to the eight 20mA loop ports.
Set to Shunted for unused 20mA ports.