JRC JMR-92 Series Field Service Manual page 798

6.4 Connection with BNWAS
The display unit of this product has the function to input/output the various contact signals for the
Bridge Navigational Watch Alarm System (BNWAS*). Connect necessary signals by referring to
the table below.
All signals are preset at normally open when shipped from the factory.
Terminal Signal
Block Name
CMH-2370 SYS
ALM
SLC J8108
CMH-2370 ARPA
ALM
SLC J8108
NDC-1590 PWR
FAIL
J4302
CMH-2370 SYS
ACK
SLC J8107
CMH-2370 ARPA
ACK
SLC J8107
CMH-2370 ACK
OUT
SLC J8108
NDC-1590 WMRS
T
J4302
(*) BNWAS Bridge Navigation Watch Alarm System
IN/OUT Description
OUT The system alarm status is
output.
OUT The dangerous ship alarm status
is output.
OUT The disconnection of the ship's
main power supply is detected.
It is necessary to connect the
backup DC24V power supply of
the NBD-913 PSU in advance.
IN The ACK signal of system alarm
is input.
IN The ACK signal of dangerous
ship alarm is input.
OUT The ACK signal of alarm is
output.
OUT The watch timer reset signal is
output.
*1 Serial LAN interface circuit jumper settings
Normal Close Setting
Normal Open Setting
24V Out Setting
6-13
Set to normally closed with a
jumper.* 1
Set to normally closed with a
jumper.*
Normally closed
"False" denotes either an open
or disconnected state.
"True" denotes a closed state.
"False" denotes either an open
or disconnected state.
"True" denotes a closed state.
Set to normally open with a
jumper.* 1
Normally open
Chapter 6 Connection to External Navigation Equipment
Remarks