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Table 6: NCM LED Designations, Normal Status, and Descriptions
LED Designation
POWER (Green)
ETHERNET (Green)
10/LINK (Green)
100/LINK (Green)
FC BUS (Green) or LON BUS
(Green)
PEER COM (Green)
RUN (Green)
BATT FAULT (Red)
FAULT (Red)
Repair Information
If you replace an NCM on a site with a new NCM for any
reason or add a new NCM to a site, you must update the
system database to ensure that the new NCM is
recognized and able to communicate with the site.
Table 7: NCM45x0-2 Ordering Information
Product Code Number
MS-NCM45x0-2 (Base features of each
NCM45x0)
MS-NCM4510-2
MS-NCM4520-2
MS-NCM4510-2G
MS-NCM4520-2G
MS-NCM4510-702
MS-NCM4520-702
NCM45x0-2 Series Network Control Module Installation Instructions
Normal Status
Descriptions/Other Conditions
On Steady
On Steady = Unit is getting power from either the battery or 24 VAC
power.
Off Steady = Unit is shut down.
Blink
Blink = Data is transferring on the Ethernet connection. Ethernet traffic
is general traffic (may not be for the NCM).
Off Steady = No Ethernet traffic, probably indicates a dead Ethernet
network or bad Ethernet connection.
On Steady
On Steady = Ethernet connection is established at 10 Mbps.
On Steady
On Steady = Ethernet connection is established at 100 Mbps.
Blink
Blink = Normal communications; the N2/LON Bus is transmitting and
receiving data. Blinks are generally in sync with data transmission,
but should not be used to indicate specific transmission times.
Off Steady = No field controllers are defined to N2/LON Bus in the
NCM.
Off Steady
None. PEER COM is On only during startup.
On Steady
On Steady = NCM software is fully initialized.
On 1 second, Off 1 second = NCM software is starting up, or
controller is waiting to be commissioned and/or requires a data
download.
On 0.5 seconds, Off 0.5 seconds = NCM software is shutting down.
Off Steady
On Steady = Battery defective. Blink = Data Protection Battery is not
installed. Memory cannot be backed up. Connect or install battery.
Off Steady
On Momentarily, then Off = Internal fault has occurred.
Description
Requires a 24 VAC power supply. Each model includes two RS-232-C serial
ports, one USB serial port (unused), one Ethernet port, and an MS-BAT1020-0
Data Protection Battery.
Supports one N2 trunk (RS-485 port). Up to 100 devices (60 to 200 TC-9100s)
are supported on the N2 trunk when a repeater is used.
Includes a L
are supported on the L
Buy American equivalent to MS-NCM4510-2
Buy American equivalent to MS-NCM4520-2
Repair for MS-NCM4510-2
Repair for MS-NCM4520-2
Refer to the NCM45x0-2 Network Control Module
Commissioning Guide (LIT-12011176) for information on
removing an NCM from service and configuring a
replacement NCM.
Note: Batteries removed from this device must be
recycled or disposed of in accordance with local,
national, and regional regulations. Only certified
technicians or qualified building maintenance
personnel should service Johnson Controls
products.
W
port and supports one L
ON
ORKS
W
port.
ON
ORKS
W
trunk. Up to 127 devices
ON
ORKS
9
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