9
© American Time
Wireless Remote Transmitter Installation Manual
Glossary
Appendix
Troubleshooting
Clock
Installation
Transmitter and
System Setup
Intr
oduction
Ethernet Configuration
Connecting Ethernet and Configuring Network Time Synchronization
n
Note:
This option automatically syncs once per hour at
a time preset at the factory.
Ethernet requires:
1. TCP/IP Network with Internet access or
connection to a Network Time Server.
2. Cat 5 or above patch cable (not included).
3. Host Name:
*Record last six digits of S/N. S/N is located on
bottom of Remote Transmitter. The Host Name is
used to identify the Remote Transmitter on the
network.
4. Optional Static IP
Address from
Network Administrator:
5. Optional Gateway IP
Address:
6. Optional Subnet Mask:
n
Note:
The default ethernet setting has DHCP enabled
to automatically obtain an IP address from a DHCP server.
If no DHCP address is received, the device will default to
192.168.10.10.
7. Firewall Port 123 for SNTP or 13 for Daytime
Protocol open:
8. SNTP Server Address:
Alternate SNTP Server Address:
See Appendix A for a list of Internet Time Server addresses
(or use the address of a server on your local network)
9. Continue to system setup section.
n
Important Note:
Time Servers provide time sync for UTC
Time, but do not set Time Zone or DST settings.
This is the required setup to provide time synchronization via Simple Network Time Protocol (SNTP) or Daytime Protocol from Internet Time
Servers or an internal Network Time Server.
Timeserver on the Internet
supporting SNTP
or Daytime Protocol
Public
Internet
Computers on the Local Area Network
Remote Transmitter
Remote Transmitter
Firewall with Port
123 or 13 open
Gateway
Outside the
facility
Inside the facility
Local Area
Network Server
Configuration 1: Receive Time Sync via the Internet
(SNTP or Daytime Protocol)
Computers on the Local Area Network
Timeserver on the
LAN supporting
SNTP Protocol
Local Area
Network Server
Outside the facility
Inside the facility
Configuration 2: Receive Time Sync via the Internal
Network (SNTP)
sqrt*
Product Label Example
