Comelit MT 1998VC User Manual
Page 35
35
EN
0
1
2
3
4
5
6
7
8
9
#
ABC
DEF
MNO
JKL
GHI
WXYZ
TUV
PQRS
ON/OFF
MENU
ESC
OK
CANC
5
3
1
1
2
3
4
5
6
7
8
21
2
11
12
13
14
6
8
10
9
4
18
19
20
16
15
7
17
Overall view
Description of terminal block:
C NO Normally open contact for “FOLLOW ME”
function
24 ~ 24 V AC power supply
0 ~ 0 V AC power supply
Earthing
OUT OUT N.O. contact which closes, sending a
video call from the switchboard to an internal unit
CH CH Free contact for “call repeat” or “enable
external monitor”
LM LM Data line to risers
LP1 LP2 Incoming data line from external unit
GND TX RX RS232 serial port for connection to
the remote switchboard in systems with multiple
switchboards in series or in parallel.
1 ON/OFF Power on/off (press and hold for 2
seconds)
2 Key activating DAY or NIGHT mode
3 MENU key
4 Key activating self-ignition
5
Menu navigation keys
6 CANC Key used to cancel a call or delete
entered data
7
Directory key
8
Menu option navigation keys
9 ESC Exit menu key
10 OK Confi rm key
11 Call key
12 Lock-release key
13 Follow Me key
14 Call hold key
15 Key for calling the Simplebus Top
switchboard from the Simplebus switchboard
16 Key used to activate an additional relay
17
Wheel for call volume adjustment
18 Alphanumeric keypad
19
Speed numbers
20 Handset
21 Message indication display