- 24 -
PSU 8-16 I
p
roGr a mminG
sl ave
Control
unit
• Switch off the head-end station of the slave control unit.
• Connect the 15-pin D-SUB plug on the back of the master control unit to the
RS 232 interface of the head-end station’s slave control unit via a connec-
tion cable made on-site as follows.
9-pin D-SUB plug
(Slave)
15-pin D-SUB socket
(Master)
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1 kΩ
Fig. 21
• Switch on the head-end station.
• Wait for the "
Update Mode
" message of the master control unit and press
button
on this unit.
—> The software of the slave control unit is replaced by the master con-
trol unit’s software.
• After the message "
Update Mode OK
" appears, switch off the head-end
station.
• Remove the connection cable between the slave and master control units.
• Switch on the head-end station.
—> The head-end station’s slave control unit registers with the current
version of the software.