Specifications

INSTALLING A PRECIS ENCLOSURE
Precis Instruction Manual 7
PC: DB-9 AMX AutoPatch: DB-9
Hardware flow control
PC: DB-9 AMX AutoPatch: DB-9
PC: DB-9 AP: DB-9
#5 GND ----------- #5 GND
#2 RXD ------------- #3 TXD
#3 TXD ------------ #2 RXD
PC: DB-9 AP: DB-9
#5 GND ----------- #5 GND
#2 RXD ----------- #3 TXD
#3 TXD ------------ #2 RXD
#7 RTS --------- #8 CTS
#8 CTS ------------ #7 RTS
#6 DSR /#4 DTR
Í
Make sure the enclosure is working properly
by executing a switch (see “Executing and
Disconnecting Switches” on page 11).
If the enclosure is not working properly,
contact technical support (see page 5).
Baud Rate 9600
Data Bits 8
Stop Bits 1
Parity None
Use a null modem cable that matches the pinout
diagram below for RS-232 without hardware
flow control. AMX AutoPatch equipment
requires pins 2, 3, and 5 only.
External Control Serial Port Settings
Optional RS-232 Pinout with Hardware Flow Control – Precis 500 MHz Only
Use a null modem cable that matches the pinout
diagram below for RS-232 with hardware flow
control on the Precis 500 MHz.
RS-232 Pinout – All Precis Models
No hardware flow control