CK721-A Network Controller
Hardware Installation
24-10025-237 Rev. –
13
To enter the recommended Static Route:
1. From the Main menu select
Route Info
.
2. From the Route Configuration screen, select
net
.
(Use the spacebar to toggle between Host/
Net and use the enter key to move to the next column.)
3. Specify the
Destination
address of 0.0.0.0.
4. For the
Gateway
address enter the router IP address
.
5. Select
Save
and press <
Enter
>.
6. Press <
Esc
>.
7. Reboot the CK721-A panel.
For other route configurations and troubleshooting ,refer to the
CK721-A Installation and
Operation Manual
.
M
AINTENANCE
This section provides maintenance instructions, operational testing procedures, troubleshooting
guidelines, and instructions on how to obtain replaceable parts for the CK721-A system.
To perform the following routine maintenance on the CK721-A:
1. Periodically check the continuity of the grounding circuit.
2. Perform operational testing monthly (check for proper operation).
3. Replace the lithium battery every five years or after extended (five days) power interruption
(Panasonic CR 2025 or equivalent).
4. If installed, replace the lead-acid backup batteries every three years (either Power Sonic
PS-1270, 12 VDC, 7 Ah or equivalent; or Power Sonic PS-1228, 12 VDC, 2.8 Ah or
equivalent.)
To check for proper operation of the CK721-A:
1. Verify POWER LED on the CK721-A.
2. Verify that the FAULT LED on the CK721-A is not on.
3. Verify that the RS485B LED is flashing to show activity on the bus.
4. Present a
valid
card to a reader, and then verify that access is granted (green lamp lights).
5. Present an
invalid
card to a reader, and then verify that access is denied (red lamp lights).
To check backup battery operation (if installed):
1. Disable primary AC input voltage to the enclosure.
2. Verify that the CK721-A continues to operate.
3. Reapply primary AC voltage to the enclosure.
