Brandywine M212 User Manual page 12

1.2.8.4 NTP Server OSM
The NTP Server module enables the Master Clock
System to act as an NTP server over an Ethernet
network. Designed with security in mind, the NTP
server module uses a custom network stack that
enables it to ONLY act as an NTP server, and prevent it
from being used as a gateway to compromise the entire
system.
Specifications:
Signal Format Ethernet 10/100BaseT
Protocols NTPv3 RFC1305
NTPv4 RFC 5905
Authentication MD5, SHA-1
Connector Type RJ45
No of Outputs 2
1.2.8.5 PTP Grandmaster OSM
The PTP Server module enables the Master Clock
System to act as a Precise Time Protocol (PTP)
Grandmaster over an Ethernet network. The PTP OSM
is fully compliant with the PTP protocol, and is capable
of providing time synchronization for up to 256 clients.
Designed with security in mind, the PTP server module
uses a custom network stack that enables it to ONLY
act as a PTP server, and prevent it from being used as
a gateway to compromise the entire system.
Specifications:
Signal Format 10/100/1000BaseT
Protocols PTPv2 (IEEE1588-2008)
Resolution 8ns packet timestamp resolution
Accuracy 20ns 3σ (crossover cable)
PTP Profiles Default, Telecom, Enterprise,
Power
Modes Unicast, Multicast
Connector Type SFP
Management Web GUI
No of Outputs 2
Max no of cards 3
1.2.8.6 Extended Performance PTP
Grandmaster OSM
The Extended Performance PTP Server module
enables the Master Clock System to act as a Precise
Time Protocol (PTP) Grandmaster over an Ethernet
network. The PTP OSM is fully compliant with the PTP
protocol, and is capable of providing time
synchronization to up to 1024 clients. Designed with
security in mind, the PTP server module uses a custom
network stack that enables it to ONLY act as an NTP
server, and prevent it from being used as a gateway to
compromise the entire system.
Specifications:
Signal Format 10GbE
Protocols PTPv2 (IEEE1588-2008)
Resolution 8ns timestamp resolution
Accuracy 20ns 3σ (crossover cable)
PTP Profiles Default, Telecom, Enterprise,
Power
Transmission Unicast, Multicast
Connector Type SFP
Management Web GUI
No of Outputs 2
Max no of cards 2
1.2.8.7 BCD Time Code Output OSM
The BCD time code OSM provides 4 BCD time code
outputs. The OSM buffers and distributes a BCD signal
that is generated directly on the MCM. The stability and
accuracy will be those of the selected MCM. The
propagation delay compensation feature is not available
on this OSM.
Specifications:
Format
Signal Format
Rising Edge
Rise Time
1PPS coherence
Electrical
1.2.8.8 T1/E1 OSM
The T1/E1 OSM provides 16 Framed T1/E1 outputs.
Each output may be selected independently. The
stability and accuracy will be those of the selected
MCM oscillator.
Specifications:
Waveform (T1)
Waveform (E1)
No of outputs
Impedance
Standards
Short/Long Haul
Connector Type
Breakout connector
Accuracy
Stability
12
MANUAL P/N 900000178 REV B
ICD-GPS-060B
Per ICD-GPS-060B
40 bits
On Time
<100ns
< 100ns of rising edge
Per RS422/485
DS1 framed all ones, SF,
D4, ESF, SSM support
E1 framed all ones,
CRC4 and CAS
multiframe SSM support
16
software selectable
ANSI T1.102, T1.403
ITU-T G.703
User programmable
62pin D receptacle
Breakout Panel / Cable 1U Panel / 36" Cable
RJ45
Locked to MCM oscillator
Same as MCM oscillator