Mobatime DTS 4802.masterclock - 3 General Information and Introduction; 3.4 DTS 480 x Masterclock Description

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5 Technische Daten / technical data / données techniques
DTS
4801/03
DTS 4802
DTS4806
DTS 4132
DTS 4135
DTS 4136
Housing
19", 1 HE
√
√
√
√
√
√
Time signal
outputs
IRIG, AFNOR DCF-FSK
0 / 1
2
precison
output,
50 Ohms
2
precison
output,
50 Ohms
NTP slave clocks + timezone server
1
1
1
1
1
1
DCF current loop (CL) passive output
1
1
1
1
1
1
Precision pulse/frequency/DCF output on
RS422 and CL
1
1
1
1
2
2
Serial RS 232/422/485 outputs with configu-
rable time telegrams (RS 422: output only)
1
RS232
only
RS232
only
2
2
2
MOBALine or polarized Impulses (Impulse line)
1
2
6
2
Network
services
NTP client
√
√
√
√
√
√
NTP V4 (V3 compatibel)
√
√
√
√
√
√
NTP modes: Server, Peer, Broadcast, Mul-
ticast
√
√
√
√
√
√
SNTP
√
√
√
√
√
√
TIME, DAYTIME
√
√
√
√
√
√
NTP MD5 authentication
√
√
√
√
√
√
Telnet, SSH, FTP - disengageable
√
√
√
√
√
√
SNMP Notifications
V2c/V3
V2c/V3
V2c/V3√
V2c/V3
V2c/V3
V2c/V3
SNMP Get, Put
√
√
√
√
√
√
IP V6 support
√
√
√
√
√
√
Network
interface
10BaseT / 100BaseTX
1
1
1
2
1
1
IP configu-
ration
DHCP
√
√
√
√
√
√
static IP
√
√
√
√
√
√
USB
for update
√
√
√
√
√
√
GBIC-Link
for redundant operation, with master - slave
negotiation
√
√
√
External
time source
NTP / SNTP servers
√
√
√
√
√
√
DCF 77 (DCF 450, DCF 4500)
√
√
√
√
√
√
GNSS 4500
√
√
√
√
√
√
IRIG-B
√
√
Accuracy
GNSS (DCF input) to NTP Server typically
< +/-
0.5ms
< +/-
0.5ms
< +/-
0.5ms
< +/-
0.1ms
< +/-
0.1ms
< +/-
0.1ms
GNSS (DCF input) to DCF output typically
< +/- 1ms
< +/- 1ms
< +/- 1ms
< +/-
0.01ms
< +/-
0.01ms
< +/-
0.01ms
Hold over (after >24h synchronisation) @
20°C+/- 5°C
<+/-
100ms/d
<+/-
100ms/d
<+/-
100ms/d
< +/-
10ms/d
< +/-
10ms/d
< +/-
1ms/d
Master to slave (redundant operation)
typ. < +/-
0.001ms
typ. < +/-
0.001ms
typ. < +/-
0.001ms
Quartz Oscillator
standard
standard
standard
TCXO
TCXO
OCXO
IRIG (modulated) to GNSS (DCF input)
< 0.1ms
< 0.1ms
IRIG (digital) to GNSS (DCF input)
< 0.01ms
< 0.01ms
RTC
Real Time Clock (disengageable)
1
1
1
1
1
1
Display
2 lines, 16 character each
√
√
√
√
√
√
Operation
control
MOBA-NMS
√
√
√
√
√
√