10
ENGLISH
ITALIANO
MEMORY LOCK
The memorized data can be lock to avoid modifications. Press this sequence to lock.
1)
Preset
2)
input key In0
3)
input key In3
4)
output key Out0
The Out0 display will show one L.
Pressing the Preset key again will restore the normal situation.
Press the same sequence again to unlock, the L will disappear.
When in lock situation every cross point can be done,but the displays will not show it, they will stick
to the memory status.
Press Preset twice to restore the memorized cross points.
RS232C SERIAL COMMUNICATION PROTOCOL
CONNECTION
The cross point can be connected to a PC, Mac, Crestron and AMX system by the serial communication
line Rs232c. The transmission system is set on 9600,N,8,1. Only the TX or RX lines can be used (no
answer from the cross point) . The following pictures show the connections that must be realized
on the D9-D9 and D25-D9 cables for a PC. The connection cables for Mac, Crestron and AMX are
described on the user manual of each system.
PROTOCOL
THE COMMUNICATION PROTOCOL IS THE FOLLOWING:
<AAh> <55h> <IL> <source> <destination>
Where AAh and 55h are two run in bytes for the data synchronization;
<IL> is a byte composed by an instruction code I (4 bits most significant) and an operative level L
(2 bits least significant).
PC (DB25 female)
Switcher (DB9 female)
PC (DB9 female)
Matrice (DB9 female)
