P73335u_UPS_man.qxd
Communication Interface (continued)
The UPS data is provided at 2400 bps baud rate and made up of 8-bit,
1 stop-bit, and no parity bit. All information is encoded in ASCII format.
HARDWARE:
BAUD RATE ------------------------2400 bps
DATA LENGTH --------------------8 bits
STOP BIT ---------------------------1-bit
PARITY ------------------------------NONE
CABLING:
COMPUTER
RX
TX
GND
4/30/01
12:19 PM
Page 22
(pin2)
(pin3)
(pin5)
22
UPS
TX
(pin2)
RX
(pin3)
GND
(pin5)