Honeywell TRS-3300 Installation And Operating Instructions Manual page 52

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9 = CPU-Board
Caution! Loss of warranty possible!
This pcb must not be removed! The warranty expires by removing!
10 = Reset-pushbutton
The terminal reboots by pressing this button (see also 5.3 = Adjust brightness / contrast).
Caution! Loss of data possible!
Not saved data might be lost!
11 = LEDs
LED Color
1 green
2 green
3
4 green
5 green
6 green
7
12 = Tamper / Cover contact
13 = RS 485 Module bus interface
Assignment (PIN)
1
2
3
4
5
6
red TXD of host / modem interfaces RS 485 (8) and RS 232 (4)
RXD of host / modem interfaces RS 485 (8) and RS 232 (4)
RXD of RS 485 module bus interface (13), also with internal reader
red TXD of RS 485 module bus interface (13), also with internal reader
Designation
Shielding
U = U
ext
max. current drain see technical data
GND 2
Installation and Operating Instructions TRS 33xx
Meaning
for Ethernet
for Ethernet
Software LED
- 1,4 V
DC
0 V
D
D*
The terminating resistors
of the 485-module bus
interface are permanently
activated.
Deactivation is
possible.
not