FEC AFC1500 - Manual (Page 34)

DB9 Connector
DB9 Connector (male)
1
5
6
9
5
1
9
6
RBC
BA
RBDA/ERR
(female)
Daughter board
Indication LED
Green if voltage is OK UL - Voltage OK at bus 5
Green when monitoring layer 2 BA - Bus Active 4
Green if cable connection good & master not
in reset CC - Cable Check 3
Green if PCP channel is carried on Interbus TR - Transmit/Receive 2
Red when outgoing bus is disabled RBDA - Remote Bus Disable 1
Status LEDs
Watchdog LED- There is one additional bicolor Watchdog LED on the
interface board (inside unit). After the module is initialized by the application,
the LED with flash in a 1 sec. interval if running properly. Prior to
initialization by the application then the LED with flash with a 2 second
interval.
PE PE Earth Ground Shield
/DI1 RXD- Pin 7
/DO1 TXD- Pin 6
Pin 5
Pin 4
ISOGND Isolated Ground Pin 3
DI1 RXD+ Pin 2
DO1 TXD+ Pin 1
InterBus connectors- BUS IN
Chapter 3: Control Interfaces
34