Plura RUBIDIUM Series User manual

TIMING SOLUTIONS
Rubidium Series
RUB SB
Monitoring and Changeover Module
for Analogue Video Sync Signals
Black Burst –Tri-Level –VITC
Monitor for Real-Time Synchronization
Functional Description and Specifications
Supplement to the “Installation & Systems Manual RUBIDIUM SERIES”
Version: 1.3
December 2, 2020

Functional Description and Specifications RUB SB Page 3
CONTENTS
A1 REVISION HISTORY
A2 COPYRIGHT
A3 GENERAL REMARKS
1MODULE SB 7
1.1 GENERAL DESCRIPTION 7
1.2 REAR PANEL AND CONNECTIONS 8
1.3 SPECIFICATIONS 10
1.4 TYPICAL APPLICATION DIAGRAM 13
1.5 SOFTWARE UPDATE 14
1.6 ELECTRONIC PART EXCHANGE 15
2OPERATING DESCRIPTION 16
2.1 FUNCTIONAL OVERVIEW 16
2.1.1 Basic Functions 16
2.1.2 Overview of Error Indications and Alarms in General 17
2.1.3 Overview of Error Indications at the Status Monitor 18
2.1.4 Error Reset 19
2.2 VIDEO MONITORING 20
2.2.1 The Epoch Method 20
2.2.2 Measurements and Error Detections Comparing Signals IN1 with IN2 21
2.2.3 Measurements and Error Detections on each Video Signal 22
2.2.4 Consequences of Errors 24
2.3 VITC MONITORING 26
2.3.1 Measurements and Error Detections Comparing VITC IN1 with IN2 26
2.3.2 Measurements and Error Detections on each VITC Signal 27
2.3.3 Consequences of VITC Errors 29
2.4 VIDEO/VITC CHANGEOVER 31
2.5 REAL-TIME REFERENCE MONITORING 32
2.5.1 Overview 32
2.5.2 Measurements and Error Detections 33
2.5.3 Consequences of Real-Time Reference Errors 35
2.6 SELF-TEST 36
2.7 ALARMS 38
2.7.1 Overview and Suggestions for Installation 38
2.7.2 Alarms by GPO Outputs 39
2.7.3 Alarms by SNMP Traps 40
2.7.4 Entries in the Log File of an Ethernet Module 41
3STATUS MONITOR 42
3.1 STATUS MONITOR BY THE ETHERNET MODULE 42
3.2 STATUS MONITOR BY A PC PROGRAM 43
3.3 STATUS ‘SYSTEM’ 44

Page 4 Functional Description and Specifications RUB SB
3.4 STATUS ‘VIDEO A’ AND ‘VIDEO B’ 46
3.5 STATUS ‘VITC A’ AND ‘VITC B’ 48
3.6 STATUS OF THE REAL-TIME REFERENCE 50
3.7 STATUS OF FAN AND POWER SUPPLIES 52
4THE RUBIDIUM CONFIGURATION TOOLS 53
4.1 THE RUBIDIUM CONFIGURATION PC PROGRAM 53
4.2 THE RUBIDIUM SERIES HTTP SERVER 53
4.3 “FUNCTIONS“ 54
4.4 “KEYS“: KEYS AND LAMPS, LEDS AND GPOS 55
4.5 “SWITCHER“: SET-UP OF GENERAL PARAMETERS 58
4.6 “VIDEO“: SET-UP OF VIDEO AND VITC MONITORING 60
4.7 “LINK”: COMMUNICATION BETWEEN MODULES 62
4.8 “SYSTEM“: IDENTIFICATION, RESET, SNMP, FAN CONTROL 63

Functional Description and Specifications RUB SB Page 5
A1 Revision History
No.
Date
Subject
0.n
Preliminary documents, changes without notice.
1.0
May 7, 2013
First released document.
1.1
September 3, 2019
Changed address of Plura Europe GmbH.
1.2
November 4, 2019
Fixed NMEA baud rate to 4800.
1.3
November 30, 2020
Re-formatted in new design.
Due to constant product development the features of this module are subject to change. The
current functional description always refers to the current software and the current
configuration tool.
You can download the latest version of the standard software from
https://www.plurainc.com.
Please be sure to use the latest configuration program after having done an update. You can
download the latest version from the address above.

Page 6 Functional Description and Specifications RUB SB
A2 Copyright
Copyright © Plura Europe GmbH 2002-2019. All rights reserved. No part of this publication
may be reproduced, translated into another language, stored in a retrieval system, or
transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or
otherwise without the prior written consent of Plura Europe GmbH.
Printed in Germany.
Technical changes are reserved.
All brand and product names mentioned herein are used for identification purposes only and
are trademarks or registered trademarks of their respective holders.
Information in this publication replaces all previously published information. Plura Europe
GmbH assumes no responsibility for errors or omissions. Neither is any liability assumed for
damages resulting from the use of the information contained herein.
For further information please contact your local dealer or:
Plura Europe GmbH
Binger Weg 12
D- 55437 Ockenheim
Phone: [phone]
Fax: [phone]
E-Mail: [e-mail]
Internet: https://www.plurainc.com
A3 General Remarks
This manual is a supplement to the ‘Installation & Systems Manual RUBIDIUM SERIES’. Please
read the below listed chapters of the ‘Installation & Systems Manual RUBIDIUM SERIES’, as
these chapters are necessary for the safe and proper use of RUB modules:
•A3 Warranty,
•A4 Unpacking/Shipping/Repackaging Information,
•A5 Safety Instructions,
•A6 Certifications & Compliances,
•Plug-In a Module,
•Remove a Module.

Functional Description and Specifications RUB SB Page 7
1 Module SB
1.1 General Description
This module can compare and contrast two sources of analogue video sync signals for
differences and real-time behaviour. Each source may consist of one or two signals, black
burst or tri-level, even mixed. If a black burst signal with VITC is connected, the VITC will be
monitored as well. Both sources should generate identical signals. In the event of a failure, SB
automatically switches to the other faultless source.
The SB module forms the central part of a redundant video sync system and/or redundant
VITC generator system, especially in a real-time application. Errors and failures of video or
VITC signals, any disturbances of real-time reference signals, time differences between the
sources, all these will be detected and can be indicated at a status monitor.
A PC or one of the RUB Ethernet modules (RUB IE or RUB PM) is required to configure this
module.
A front panel label SB visibly identifies RUB1 version modules. RUB3 version modules have this
label at the rear plate. A serial number is located on the bottom side of the lower circuit board
of each module.
The standard hardware of this module has all of the following key features:
•“Hot Swapping“, i.e. it is possible to insert or remove a module without interrupting the
operation of other modules in this frame.
•Failure relay, connected to the FAIL_A and FAIL_B pins of the RLC connector at the rear of
the frame.
•RS232 and TC_link (RLC connector) interfaces to have access to the internal bus of the
chassis.
•Four programmable function keys, lamps and LEDs on the front panel (RUB1 version only).
•Flash memory containing the firmware, so configuration and updates are possible via a
PC connection. You can download the latest version of the program from:
https://www.plurainc.com.
•2 x 2 analogue video inputs with VITC readers. Video and VITC signals are monitored.
•Inputs for signals of a real-time reference: PPS, time & date data string, 10 MHz signal.
These signals are monitored and will be used for various measurements.
•1 x 2 signal distribution of PPS and time & date data string.
•Changeover regarding the video signals utilizing latching relays.
•Alarm outputs indicating failures and warnings: lamps and LEDs (RUB1 version only),
GPOs, SNMP traps, and entries in the log file of an Ethernet module.

Page 8 Functional Description and Specifications RUB SB
1.2 Rear Panel and Connections
VIDEOIN1 REF OUT
GPO
VIDEOIN2
VIDEOOUT
A
B
8 . . . . . 1 8 . . . . . 1
1 . . . . . 8 1 . . . . . 8
REF IN REF OUT
VIDEO IN 1
VIDEO OUT
VIDEO IN 2
A
BNC (IEC169-8), 75 
BNC (IEC169-8), 75 
BNC (IEC169-8), 75 
B
BNC (IEC169-8), 75 
BNC (IEC169-8), 75 
BNC (IEC169-8), 75 
Pin assignments
REF IN
RJ45 jack
1: PPS IN
2: RXD IN
3: Opt_IN
4: GND
5: VCC24G_OUT
6: 10 MHz IN
7: GND IN
8: VCC5G_OUT
REF OUT
2 x RJ45 jack
1: PPS OUT
2: TXD OUT
3: Opt_OUT
4: GND
5: VCC24G_IN
6: n.c.
7: GND OUT
8: VCC5G_IN
GPO
RJ45 jack
1: GND
2: GPO_1
5: GPO_3
6: GPO_2
8: GPO_4
3: XCP
4: XCC
7: XCS

Functional Description and Specifications RUB SB Page 9
Signal descriptions
GND
Signal ground.
VIDEO IN 1
VIDEO IN 2
Analogue video signal inputs, black burst or tri-level.
VIDEO OUT
Analogue video signal outputs, switched via relay to the
corresponding video input (A or B).
Video outputs should be terminated in 75 Ω.
PPS IN
PPS OUT
Pulse per second, input. Time mark of a real-time reference.
Pulse per second, output. Hard wired to PPS IN.
RXD IN
TXD OUT
Serial data string, input. Signal of a real-time reference.
Serial data string, output. Hard wired to RXD IN.
Opt_IN
Opt_OUT
Hard wired pins for optional use.
10 MHz IN
10 MHz continuous wave input. Default termination = 75 Ω, could
be altered to 50 Ωas an option.
VCC24G_OUT
24 VDC voltage output, 200 mA reversible fused. This output voltage will
be delivered from the power supply module in use (please notice the
power supply specifications), or from the VCC24G_IN pin.
Using VCC24G_OUT output please make sure not to exceed the total
power rating of the power supply module.
VCC24G_IN
Hard wired with VCC24G_OUT signal.
GND IN/GND OUT
These signals are just hard wired.
VCC5G_IN/VCC5G_OUT
These signals are just hard wired.
GPO_1 …GPO_4
Output signals, indicating failures, warnings, or status.
XCP, XCC, XCS
Spare contacts at one of the latching relays for optional usage.
Switching occurs in parallel the video changeover.
XCC: Common
XCP: Primary
XCS: Secondary/Back-up

Page 10 Functional Description and Specifications RUB SB
1.3 Specifications
Video inputs
Connector
BNC (IEC169-8), 75 
Signal level
Minimum Nominal Maximum
Bi-level sync amplitude
from synchronizing to blanking level 0.14 VPP 0.30 VPP 0.61 VPP
Tri-level sync amplitude
from negative to positive peak 0.28 VPP 0.60 VPP 1.22 VPP
DC offset
≤± 2,5 V
Formats
Analogue video signals:
Format Standard Sync
PAL 625/50 ITU-R BT.470-7 Bi-Level
NTSC 525/59.94 ITU-R BT.470-7, SMPTE 170M Bi-Level
HDTV 720p23.98 SMPTE 296M-8 Tri-Level
HDTV 720p24 SMPTE 296M-7 Tri-Level
HDTV 720p25 SMPTE 296M-6 Tri-Level
HDTV 720p29.97 SMPTE 296M-5 Tri-Level
HDTV 720p30 SMPTE 296M-4 Tri-Level
HDTV 720p50 SMPTE 296M-3 Tri-Level
HDTV 720p59.94 SMPTE 296M-2 Tri-Level
HDTV 720p60 SMPTE 296M-1 Tri-Level
HDTV 1035i59.94 or psf29.97 SMPTE 240M Tri-Level
HDTV 1035i60 or psf30 SMPTE 240M Tri-Level
HDTV 1080psf23.98 ITU-R BT.709-5 Tri-Level
HDTV 1080psf24 ITU-R BT.709-5 Tri-Level
HDTV 1080i50 or psf25 SMPTE 274M-6 Tri-Level
HDTV 1080i59.94 or psf29.97 SMPTE 274M-5 Tri-Level
HDTV 1080i60 or psf30 SMPTE 274M-4 Tri-Level
HDTV 1080p23.98 SMPTE 274M-11 Tri-Level
HDTV 1080p24 SMPTE 274M-10 Tri-Level
HDTV 1080p25 SMPTE 274M-9 Tri-Level
HDTV 1080p29.97 SMPTE 274M-8 Tri-Level
HDTV 1080p30 SMPTE 274M-7 Tri-Level
HDTV 625p/50 ITU-R BT.1358-1 Bi-Level
HDTV 525p/59.94 ITU-R BT.1358-1 Bi-Level
VITC Reader
Signal level
Minimum Nominal Maximum
From blanking level to logical one 400 mVPP 500 –600 mVPP 1200 mVPP
From blanking level to logical zero -25 mVPP 0 –25 mVPP 200 mVPP
VITC format
According to ANSI/SMPTE 12M-1-2008, ITU-R BR.780-2
Measurement accuracy
Accuracy of time measurements
± 1 µs

Functional Description and Specifications RUB SB Page 11
10 MHz In
Connector
RJ45 REF IN, pin 6
Termination
Default = 75 Ω, could be altered to 50 Ωas an option
DC offset
≤± 2.5 V
Frequency range
0 –33 MHz
Amplitude
sinusoidal, 0.6 –3.0 VPP (0 –13 dBm)
Valid signal
10 MHz ± 3 %
PPS IN
Connector
RJ45 REF IN, pin 1
Characteristic
Typical input signal: 5 V impulse
Input impedance: ≈ 100 kΩ
Input “low“: -2.0 to +2.0 V
Input “high“: +3.0 to +12.0 V
Frequency range: 0 –17 MHz
Valid signal
1 Hz ± 3 %
RXD IN
Connector
RJ45 REF IN, pin 2
Characteristic
Typical input signal: RS232
Input impedance: ≥40 kΩ
Input “low“: -15.0 to +2.0 V
Input “high“: +3.0 to +15.0 V
Frequency range: 0 –4 MHz
Valid signal
RS232 serial data of a valid protocol
GPO_1, GPO_2, GPO_3, GPO_4
Output specification
Open Collector output of an NPN transistor.
Maximum power dissipation: 125 mW per output.
“High” state: External pull-up needed to a positive power source of
≤24 VDC. Examples: ≥2.2 kΩ@ +5 V,
≥4.7 kΩ@ +12 V,
≥12 kΩ@ +24 V.
“Low“ state: Output switched to GND.
Max. collector current: 100 mA DC, fused (auto-recovery).
Collector-emitter saturation voltage:
@ 20 mA: typ. 0.72 V (0.85 V)
@ 100 mA: typ. 0.90 V (1.10 V)
Frequency: 0 –1 kHz.

Page 12 Functional Description and Specifications RUB SB
VCC24G_OUT
Output of the DC
power supply of this
module, 23.8 VDC
nominal
Reversible fused. A continuous current of up to 120 mA can be ap-
plied over the whole specified operating temperature range. At an
ambient temperature of e.g. 22 °C the output switches to a high-
resistance state after a few seconds if a current of 400 mA is applied.
XCP, XCC, XCS
Spare contacts of the
latching relay
Contact resistance: ≤75 mΩ
Max. switching voltage: 48 V
Max. switching current: 2 A
Max. transportable current: 2 A
Others
Operating voltage
12 –30 VDC
Power consumption
1.5 W at maximum
Weight
≈ 0.3 kg
Dimensions
Standard circuit board (W x D): 100 x 160 mm/3.94 x 6.30 inch
Rear panel: RUB1: 103 x 44 mm / 4.06 x 1.73 inch
RUB3: 8 HP, 3 RU
Environmental charac-
teristics, operating
Temperature: +5 °C to +40 °C
Relative humidity: 30 % to 85 %, non-condensing
Environmental charac-
teristics, non-operating
Temperature: –10 °C to +60 °C
Relative humidity: 5 % to 95 %, non-condensing

Functional Description and Specifications RUB SB Page 13
1.4 Typical Application Diagram
Redundant Video Sync System
10 MHz
GNS
Outdoor
Antenna
SR
10 MHz
GNS
Outdoor
Antenna
2 x 10 MHz
2 x 10 MHz
GB
GB
SB
10 MHz
10 MHz
REF =
Time & Date + PPS
+ 10 MHz
REF =
Time & Date + PPS
+ 10 MHz REF
REF 2 x Black Burst
2 x Black Burst Back Up
SPG
Primary
SPG
Black Burst
Black Burst

Page 14 Functional Description and Specifications RUB SB
1.5 Software Update
Software updates require a (windows operating system) computer and the “RUBIDIUM
CONFIGURATION“ program. You can download the latest version of the program from:
https://www.plurainc.com.
Please check the PC connector at your RUBIDIUM housing: There is an USB or RS232 (with a
DSUB9 connector) interface installed. You now need the same interface at your computer.
The new firmware should already be stored as a .tcf file at your computer.
Please now execute the following steps:
1. Connect your computer to the PC connector of that RUBIDIUM frame where the module
has been plugged.
In case of an RS232 interface: Use a straight (1:1) connection between the PC connector
at the RUBIDIUM frame and the RS232 of the computer.
In case of an USB interface: Use a USB A-B cable between your computer and the
RUBIDIUM frame.
Switch on the power of all units.
2. Execute “Rubidium Config.exe” on your computer. Select the “Port” according to the
interface (USB, RS232) you are using.
3. Select the module (unit 1, 2, 3 ...).
4. Select “Flash Update“ in the File menu.
5. Open the .tcf-file. Standard name: “Rubidium SB version.tcf“.
“version” stands for a revision no., e.g. 2.13.10.
Click the OK button, update starts. Click the OK button at the end.
6. Update is finished now. We recommend checking module’s configuration utilizing the
“RUBIDIUM CONFIGURATION“ program.
During the flash update the operation of the module stops!
The changeover relays remain in their last position, so the signal flow of the connected
signals will not be affected.

Functional Description and Specifications RUB SB Page 15
1.6 Electronic Part Exchange
The hardware of this module comprises the following printed circuit boards: The main
electronic board at the bottom layer, the keyboard at RUB1 version modules which is fixed to
the main electronic board by soldered pins, and the rear panel board which is attached to the
main electronic board by screws.
The rear panel board with its connectors and the latching relay consists of “mechanical” parts,
so there is a good chance that a damage of the module concerns the electronic part only. The
following exchange procedure removes the main electronic board and the keyboard without
interrupting the signal output. No cable should be disconnected.
Main Electronic Board
Keyboard
Rear
1. Arrangement:
Contact your local dealer or Plura to order the main electronic board and the keyboard for
a replacement. It is essential that you have as much information ready as possible: Serial
number of the module, software version number, set-up and configuration. This will help to
ensure that you are getting a direct replacement, even regarding the set-up values –which
are stored in a non-volatile memory located at the main electronic board.
2. Preparation:
Have a screwdriver for recessed-head screws ready.
3. Removal:
Do not switch off the power. Do not disconnect cables. Follow the procedure described in
the chapter ‘Remove a Module’of the ‘Installation & Systems Manual RUBIDIUM SERIES’to
pull the module out of the slot. Observe precautions for handling electrostatic-sensitive
devices.
4. Dismantle:
Unscrew only the three screws as shown in the figure above: Two screws at the rear plate
and one screw at the rear panel board. Release the levers of the IDC connector and pull
out the 20-way ribbon cable. Now the main electronic board and the keyboard can
completely be removed.
5. Reassemble:
In principle follow the procedure in the reverse order.

Page 16 Functional Description and Specifications RUB SB
2 Operating Description
2.1 Functional Overview
2.1.1 Basic Functions
•Monitoring and fault analysis of the video inputs; changeover in an event of a failure.
•Monitoring and fault analysis of the VITC inputs; changeover in an event of a failure.
•Measurement and monitoring the phase difference and drift between the video signals.
•Measurement and monitoring the time difference between the VITC signals
•Monitoring the signals of a real-time reference.
•Measurement and monitoring the phase difference and drift of the video signals against
the real-time reference.
•Measurement and monitoring the time difference of the VITC signals against the real-time
reference.
REF IN
PPS
Serial
10 MHz
Video - Video
VITC- VITC
Video Monitoring
VITCMonitoring
Video - REF Monitoring
VITC - REF Monitoring
Video Monitoring
VITCMonitoring
Video - REF Monitoring
VITC - REF Monitoring
Video - Video
VITC- VITC
Video Monitoring
VITCMonitoring
Video - REF Monitoring
VITC - REF Monitoring
Video Monitoring
VITCMonitoring
Video - REF Monitoring
VITC - REF Monitoring
VIDEO + VITC
OUTPUT
Reference
Monitoring
VIDEO + VITC
OUTPUT
Changeover
Changeover OUTA
OUT B
VIDEO
+
VITC
VIDEO
+
VITC
VIDEO
+
VITC
VIDEO
+
VITC
INB2
INB1
INA2
INA1
PC programs are available for free: Configuration of the module = RubidiumConfig.exe,
status monitor = RubStatSE.exe.
The RUBIDIUM SERIES HTTP server, located in the Ethernet module (RUB IE or RUB PM)
enables the configuration of the module and offers a status monitor as well.

Functional Description and Specifications RUB SB Page 17
2.1.2 Overview of Error Indications and Alarms in General
This module detects errors on video and VITC signals, on signals of the real-time reference, or
on the module itself after a self-test.
Basically, each individual error will be represented by a status, an error counter, and an
indication of a failure. The indication of a failure can be disabled. If not disabled, special
alarms can be raised in case of an error. This gives the user the possibility to select individual
errors for an alarm indication.
Furthermore, two overall counters are giving a quick overview:
•The “overall errors” counter shows the sum of all individual errors. A count value of > 0
indicates that at least one error has been detected.
•The “overall failures” counter shows the sum of all individual failures, i.e. all those errors
with the failure indication not disabled. A count value of > 0 indicates that at least one
failure has been detected.
You can see all the individual errors and both overall counters at the status monitor. Please
open the status monitor to investigate the source of an error.
→Chapter ‘Overview of Error Indications at the Status Monitor’.
→Chapter ‘Status Monitor’.
RUB1 modules, i.e. modules plugged to a 1 RU chassis, indicate errors by the ERROR LED and
failures by the FAIL lamp (in the default configuration):
•The LED in the “Switcher Error“ function lights up as long as the ‘overall errors’counter
has a count value > 0.
•The lamp/key in the “Fail“ function lights up as long as the ‘overall failures’counter has a
count value > 0.
OPER
ERROR
SET
SIGNAL
SB
IN1
IN2
ARY
PRIM
FAIL
GPO alarms can indicate failures and warnings:
→Chapter ‘Alarms by GPO’.
SNMP Traps can indicate failures and warnings.
→Chapter ‘Alarms by SNMP Traps’.
Entries in the log file of an Ethernet module can indicate failures and warnings.
→Chapter ‘Entries in the Log File of an Ethernet Module’.

Page 18 Functional Description and Specifications RUB SB
2.1.3 Overview of Error Indications at the Status Monitor
The System page of the status monitor shows the “overall failures” counter, the “overall
errors” counter, and the individual errors of the system:
The Video A page shows individual errors with respect to video signals at IN1 A and IN2 A.
The Video B page shows individual errors with respect to video signals at IN1 B and IN2 B.
The VITC A page shows individual errors with respect to VITC at IN1 A and IN2 A.
The VITC B page shows individual errors with respect to VITC at IN1 B and IN2 B.
The Reference page shows individual errors with respect to the real-time reference signals.
Any entry on a red background at the status monitor indicates an error:
Please refer to the following chapters for a detailed description of the individual errors:
→Chapter ‘Video Monitoring’.
→Chapter ‘VITC Monitoring’.
→Chapter ‘Real-Time Reference Monitoring’.
→Chapter ‘Self-Test’.
Basically, the following happens in case of an error:
status
Indicates the error status at this very moment: Error yes (1) or no (0).
The status resets to 0 if this individual error has disappeared.
counts
Counter counts up with every new error. Some counter counts up to 255,
others up to 65,535. A count value > 0 indicates that there has been an error
even if the status currently indicates no error.
Simultaneously, the ‘overall errors’counter counts up.
fail
Indicates the individual fail status at this very moment: Fail yes (1) or no (0).
The fail indication can be disabled. The fail indication corresponds to the
status indication if ‘fail’ has not been disabled. A fail can raise special alarms.
Simultaneously, the ‘overall failures’counter counts up.
disabled
The fail indication of this individual error can be disabled. If disabled, no fail
will be indicated, and no special alarm will be given in case of an error.

Functional Description and Specifications RUB SB Page 19
2.1.4 Error Reset
The following error indications and alarms are self-resettable (reset, if no errors are present):
•The individual status bits at the status monitor.
•GPO programmed as Signal 1 Failure,
Signal 2 Failure,
Signal 1 Warning,
Signal 2 Warning.
The following error indications remain as long as the overall counters have count values > 0:
‘overall errors’> 0
‘overall failures’> 0
•LED (ERROR) in the Switcher Error function.
•GPO programmed as System Error.
•SNMP trap System Error.
•Lamp (FAIL) in the Fail function.
•GPO programmed as System Failure.
•SNMP trap System Failure.
A reset of these counters and –at the same time –a reset of all individual error counters can
be done by:
Keystroke
RUB1 modules, i.e. modules plugged to a 1 RU chassis, offer four programmable keys.
The following functions are provided for a reset:
Function
Description
Recommended
Key
Clear
Resets all error counters to zero.
F1: FAIL
Reset All
Complete reset of error counters and status.
F1: FAIL
It is recommended to assign the „Reset All“ function to the FAIL key.
Configuration
Utilizing one of the configuration tools, a complete reset of error counters and status can
be done clicking the “Error Reset“ button at the Switcher page.

Page 20 Functional Description and Specifications RUB SB
2.2 Video Monitoring
This module monitors 2 x 2 video signals.
Signals at input A(IN1 A, IN2 A) are checked and compared with each other, same way
signals at input B(IN1 B, IN2 B) are checked and compared with each other. Comparing
signals requires the same video format of these signals: IN1 A and IN2 A must have the same
format; IN1 B and IN2 B must have the same format.
Signals at input Aare treated completely separately from signals at input B. The status monitor
therefore offers a Video A and a Video B page.
2.2.1 The Epoch Method
The frequency of a video signal depends on the video format, but it is always a known and
fixed frequency. If the phase (e.g. the start of a picture) is known at a particular point in time,
the phase can be calculated for any points in time in the past or future. You only have to know
the relationship to the particular point in time. If this point in time (called “epoch”) and the
phase of reference signals are defined as a standard, all sync generators applying this method
only need a precise real-time reference to generate sync signals which are aligned to each
other.
SB is able to measure the phase of the video signal as well as the colour sequence against a
real-time reference according to the epoch method. Currently (April 2013) the SMPTE working
group defines this point in time (= SMPTE Epoch) as 00:00:00 January 1, 1970, TAI (Temps
Atomique International). For example, this point in time corresponds to the start of the 1st field
of the colour frame sequence of an analogue video reference signal.
This measurement requires the following signals of a real-time reference: a precise PPS (pulse
per second), a data protocol which includes time, date, and the amount of leap seconds.
Please refer to chapter ‘Real-Time Reference Monitoring’.
There are two classes of video formats which will be treated differently:
Video formats with frame rates of 24, 25, 30, 48, 50, or 60: The reference mark of the PPS
should coincide with a start of a picture. The phase difference of the video signal against
the PPS will be measured every second (video/pps phase). Verifying the colour sequence of
a PAL 625/50 video occurs in a four seconds interval.
All other video formats will be called 1.001 formats, because the frame rates are
24/1.001, 25/1.001, 30/1.001, 48/1.001, 50/1.001, or 60/1.001. The phase difference
as well as the colour sequence of an NTSC 525/59.94 format will be measured in a 1001
seconds interval. If the preconditions for a real-time reference as mentioned above are
fulfilled, the 1001 epoch count at the Reference page of the status monitor will count
upwards. Next measurement will take place when this counter reaches 1000 and then
resets to zero.