Allen-Bradley 1779-KFMR User Manual page 58

Chapter 5
Operation and Troubleshooting
5 2
Figure 5.1
Front View of a Redundant Synchronous Device/DHII Interface
NODE PASS
HOST FAULT
NODE TEST
TEST
RUN
RESET
ACTIVITY
NORM
READY
TRANSMIT
RECEIVE
RS-449
CHANNEL
CAT. NO. 1779-KFMR DHII MEDIUM-SPEED COMPUTER INTERFACE
MAC FAULT
MAC TEST
MSD
SAT
LINK
ADDRESS
COMPLETE
G IN RING
Y SEEKING MEM
DUP ADDR
REDUN WARN
PORT READY
DATA
HWY II
SIG QUAL
PORT
TAP FAIL
1
PORT READY
DATA
HWY II
SIG QUAL
PORT
2 TAP FAIL
DC POWER ON
AC POWER ON
DH II
AUX
ACCESS
ON
OFF
FUSE
EXTENDED
TAP
CONFIG
DATA
HWY II
PORT
1
DATA
HWY II
PORT
2
EXIT
EXIT
REQUEST
AC POWER
SLOW BLOW
2A, 250V
115V AC/230V AC
INTERNALLY
SWITCH
SELECTABLE
L1
L2/N
GND