Ntp Server - WEMPE 20804/IP Manual

WEMPE ENI
secondary clocks interface

1.3.1 NTP Server


Select Master clock Connection Type "WEMPE Master clock 20102, NTP server"

Enter the static IP address of a primary NTP server and, if desired, a secondary NTP server.
This step can be omitted, if the addresses are supplied by a DHCP server.

Specify the Fixed Offset between UTC (which the NTP server sends) and LT.

By applying the changes the network stack will restart and you will have to reconnect the web
browser after a few seconds.
1.3.2 Wempe Master Clock 20100 or 20101

Select Master Clock Connection Type "WEMPE Master Clock 20100, 20101".

Select ENI V1 protocol depending on the Master Clock hardware and software. Refer to table
4, ENI V1 protocol compatibility, to pick the right version.

Select the time to display (UTC, LT or Worldtimeclock). The latter displays a fixed offset to
UTC, which has to be specified in the field "Fixed Offset".

By applying the changes the network stack will restart and you will have to reconnect the web
browser after a few seconds.

Further ENI configuration can be done on the Master Clock's web interface, see it's manual.
Master Clock Rev
20100
20101 0
20101 0
20101 1
20101 1
1
Obtain the Master Clock software version from BEMO information screen or web interface.
1.4 Needed Ethernet ports / protocols for your firewall configuration
ENI Receive
Family Port Service
UDP 68 DHCP
TCP 80 HTTP
UDP 161 SNMP
UDP 6234 Bootloader
UDP 50403 Proprietary
ENI Transmit
Family Port Service
UDP 67 DHCP
UDP 123 SNTP
UDP 162 SNMP Trap
UDP 30303 Announce
UDP 50404 Proprietary
Master Clock Software Version
< 1.11
>= 1.11, < 2.0
>= 2.0, < 2.4.13
>= 2.4.13
table 1, ENI V1 protocol compatibility
Purpose
DHCP Server sends an offer / ack
Access to the web interface
Access to the SNMP Agent
Firmware update (only available in firmware update mode!)
Master Clock time and configuration protocol
Purpose
Sending DHCP discover / request
Query the configured NTP server
Sending SNMP Trap PDUs to the configured target / manager
Sending an announce message at startup and address change
Master Clock time and configuration protocol
1
Select ENI V1 Protocol
V1.02
V1.1x
V1.3x
V1.1x
V1.3x