Friday, 3 March 2017

VMUX-EACU (EXTERNAL ALARM AND CONTROL UNIT) BACK PLANE

EACU (EXTERNAL ALARM AND CONTROL UNIT) BACK PLANE  is designed for monitoring the voltages (AC/DC),temperature, auxiliary inputs and extension of alarms.It can be mounted in standard Sub-rack.The unit can be patched with DAC Card through DAC interface cable.VMUX has an effective Windows based "Network Management System", which may be used for configuring the system,subsequent remote monitoring and management of inter-connected systems in the network.An extensive set of Alarms for easy maintenance is provided in this system.

SALIENT FEATURES

Parameters monitored

-48v source
Ambient Temperature
AC Voltage
8 Auxiliary Inputs

Extends dry loop in case of alarm condition (up to 8)
Powerful Network Management System for monitoring and network control
All configurations stored in non-volatile memory.



Thursday, 2 March 2017

VMUX-FRONT PANEL OF DATA ACQUISITION CARD (DAC)



DAC CARD    



                  Front Panel



                        The front panel of DAC Card is shown in figure below:
            The following table describes the front panel:

Item
LED
Status
LED Function
HEALTH
Green ON
Red    ON
BLINKING
Card is working OK.
Card hardware has gone faulty. 
Card's hardware is OK but it is not configured by main 2mb card



 This card has 8 auxiliary input ports, 8 auxiliary output ports and 6 analog input ports.The analog ports can accept 0-5V input voltage from the various transducers.These transducers units can be used to measure various parameters like temperature, battery Voltage , ac voltage etc.
Installation

·         Slide the card in required slot & lock in position with the help of ejectors.

·         Configure the card and ports using either NMS or NMT , if already not configured.

·         Route the ports, if already not routed.







VMUX-FRONT PANEL OF FRACTIONAL E1 BRANCHING CARD



E1 BRANCHING MODULE CARD           

                 Front Panel
                        The front panel of E1 Branching module card is shown in figure below:


 



                       The following table describes the front panel:

ITEM
LED
Status
LED Function
HEALTH
Green ON
Blinking
Card is configured.
Card is deconfigured.
P1 LCL
ON
Fast Blinking
Fast Blinking
Fast Blinking
Slow Blinking
Slow Blinking
PCM1 Loss of Signal
PCM1 Frame Sync. Loss
PCM1 Multiframe Sync. Loss
PCM1 CRC Frame Sync. Loss
PCM1 error rate > E103
PCM1 error rate > E106
P2 LCL
ON
Fast Blinking
Fast Blinking
Fast Blinking
Slow Blinking
Slow Blinking
PCM2 Loss of Signal
PCM2 Frame Sync. Loss
PCM2 Multiframe Sync. Loss
PCM2 CRC Frame Sync. Loss
PCM2 error rate > E103
PCM2 error rate > E106
P1 RMT
ON
Slow Blinking
Slow Blinking
Slow Blinking
PCM1 Receive AIS (All 1s)
PCM1 Receive Remote FSL
PCM1 Receive Remote MFSL
PCM1 Receive AIS in TS16
P2 RMT
ON
Slow Blinking
Slow Blinking
Slow Blinking
PCM2 Receive AIS (All 1s)
PCM2 Receive Remote FSL
PCM2 Receive Remote MFSL
PCM2 Receive AIS in TS16
CLOCK
Blinking
Slips
TEST
ON
Card in diagnostics or Loop back Mode
TD NMS
Blinking
NMS Polls Transmitted
RD NMS
Blinking
NMS Polls Received



Installation

·         Set the headers for 75 Ω or 120 Ω terminations as per the installation plan.
·         Insert E1 Branching Module card in desired slot & lock it with the help of ejectors.
·         Configure the card and streams using either NMS or Local Port, if already not configured.

                 Route the desired port or streams as require