© MOBATIME 112 / 120 800652.11
Netzwork services NTP UDP, Port 123 see timeserver
SNTP UDP, Port 123 see timeserver
TIME TCP/UDP, Port 37 see timeserver
DAYTIME TCP/UDP, Port 13 see timeserver
Telnet TCP, Port 23 operation
SSH TCP, Port 22 operation
SCP über SSH update
SFTP über SSH update
FTP TCP, Port 21 update
SNMP UDP, Port 161 operation
UDP, Port selectable (162) alarm notification, see SNMP
SMTP TCP, Port selectable (25) alarm mail see E-Mail
DHCP UDP, Port 68 dyn. address allocation (client)
DNS TCP/UDP, Port 53 address resolution (client)
DHCPv6 only IPV6
ECHO ICMP “Ping“
SNMP V1, V2c, V3 with MD5 for authentication and DES for encryption (privacy).
E-Mail Alarm reporting via SMTP.
Authentication at the mail server:
- with sender address
- with username/password SMTP-Auth with LOGIN,
PLAIN (RFC 4954) or CRAM-MD5 (RFC 2195)
no “POP before SMTP“
Serial interface D-Sub 9 (male): (RS232, 38400, 8, n, 1, no flow control)
(front side) Cable length max. 3 m.
Serial interface Alternatively to RS485 clock line
(back side) RS232 or RS485 (RS485 only in DTS 4801)
Max. time deviation against internal time: +/- 10 ms, jitter < 10 ms
300-38400 Bauds, 7 or 8 Data bits, Parity: no, even, odd,
Stop bit: 1 or 2, no flow control), cable length max. 3 m
The description of the telegram functions is provided in Appendix E.
NMEA 0183 without additional synch. pulse:
ZDA telegram, 4800 bauds, 8, 1, none
USB plug USB Host for USB stick
DCF Input DCF77 or DCF from GPS receiver (GPS 4500), current loop
Timezone: selectable
Nominal 28 VDC, max. 32mA, response threshold 8mA
Alarm inputs 4 alarm inputs are available for the monitoring of external devices or as
switch input for switch channels (daylight sensor)
18 – 36 VDC, max. 6 mA, close contact.
External contact closed no alarm.
Cable length max. 30 m (not in the 3 m range of a catenary wire (railway)).
MOBALine output Alternatively to the impulse clock line or DCF active line
DTS 4801.masterclock: 1 line
DTS 4802.masterclock: 2 lines: max. current = sum of both lines
Current: up to 700 mA eff. (total)
Voltage: without load 17 VAC, typical 15 VAC
Line modes: 10 sec.-, ½ min.- or 1 min. steps
Max. time deviation against internal time. +/- 10 ms
MOBALine with switching function, switching function for clock illumination
and World time function available.
At least 28 VDC required
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