Name
Color
Function
Status
OFF
No power
Green (steady)
Normal operation
Red (steady)
Hardware fault
Red (
fl
ashing)
Error during initialization
Serial Link
Green (
fl
ashing)
Serial Packet receive
Red (
fl
ashing)
Serial Packet transmit
Orange
Boot-up
Activity
Green (
fl
ashing)
Packet receive
Red (
fl
ashing)
Ethernet Collision
Link
Green (steady)
Ethernet network detected, 10Mbps
Orange (steady)
Ethernet network detected, 100Mbps
1
1
2
2
3
LED Indicators
DIN Rail Mounting
Connections
SNAP ON
SNAP OFF
6
9
5
1 (male)
1
8
Pin
Description
1
CD (Carrier Detect)
2
Rx (Receive)
3
Tx (Transmit)
4
DTR (Data Terminal Ready)
5
GND
6
DSR
7
RTS (Request To Send)
8
CTS (Clear To Send)
9
RI (Ring Indicator)
Pin
Description
1
TD+
2
TD-
3
RD+
4, 5, 7, 8
Termination
6
RD-
RS-232 Serial Port (D-sub)
Ethernet Port (RJ-45)
Pin
Description
24
Vin +
23
Vin -
22
Digital Input 2 + (10–24 VDC)
21
Digital Input 1 + (10–24 VDC)
20
Digital Input Common -
18–19
Not used
17
RS-232 Receive
16
RS-232 Transmit
15
Common
14
RS-485 Line A
13
RS-485 Line B
Power + RS-485 Serial (Terminal Block)
!
Field wiring terminals must be connected
with minimum wire size 24 AWG.
SP1668, rev. 3.1, Apr 2016 AB7702-B
