Tescom CL115D Series, User Manual, Page: 14 / 38

10
Function Description
AUX1 RELAY (OPTIONAL) Function selectable (NO-NC programmable)
AUX2 RELAY (OPTIONAL) Function selectable (NO-NC programmable)
BYPASS RELAY(OPTIONAL) Standard connection to RS232 connector (NO-NC programmable)
DIGITAL INPUT OPTIONAL (Reserved for special applications)
REPO INPUT Standard Remote Emergency Power Off input (NO-NC programmable)
Bypass relay is standard. The pins of the bypass relay are connected to the RS232 connector, optional screw
terminals are parallel with these contacts.
RS232 CONNECTOR
RS232 communication connector of the CL100D series UPS is a D-type , 9 pins ,female type connector.
This connector contains dry contact relay outputs and RS232 data pins together. All dry contact pins and
RS232 data pins are isolated from UPS circuits.
RS232 hardware
Baud rate 2400
Connection 3 wire (RX,TX,GND)
Bits 8 bits
Parity none
Flow none
Stop bit 1
Function Description
LINE FAILURE
Standard
(NO-NC programmable)
BATTERY LOW
Standard
(NO-NC programmable)
LOAD ON BYPASS
Standard
(NO-NC programmable)
Pin nr. Description
Pin 2 Line failure alarm dry contact pin
Pin 4 Dry contact common pin
Pin 5 Battery low alarm dry contact pin
Pin 6 RS232 data receive pin
Pin 7 RS232 Ground pin
Pin 8 Bypass alarm dry contact pin
Pin 9 RS232 data transmit pin