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VCL-E3 Multiplexer
Specifications |
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External
Interfaces:
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VCL-E3
unit provides the following interfaces to the
external world:
- 16, primary rate,
2Mbps, 120 ohm balanced interface
- 1, third order,
34Mbps, 75 ohm unbalanced interface
- -48V input for
VCL-2/34 on-board power supply
- RS232 interface for
connection to Network Management System, used for
configuration and monitoring of the VCL-2/34
multiplexer.
- 2 alarm extensions for
visual and audible alarms.
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PROGRAMMING
AND MONITORING
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VCL-2/34
Mbps Multiplexer offers programming via an RS232
port for control and monitoring of the terminals.
Both local and remote multiplexer can be monitored
and controlled using a PC loaded with the NMS
software connected to the local terminal.
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Programming
Features
- Setting master / slave
identity for each VCL-2/34Mbps Multiplexer system
- Setting local / remote
identity for each VCL -2/34Mbps Multiplexer system
- Specifying the
priority sequence for clock selection.
- Setting local or
remote loopbacks on 2Mbps or 34Mbps
- Enabling or disabling
2Mbps channels
- Initiating self tests
- Alarm acknowledgment
option
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Status
Monitoring
- Presence or absence of
remote terminal
- Priority sequence of
clock selection and current clock on which the
system is working
- Status of alarm
- Presence or absence of
loop-back on 34Mbps and 2Mbps streams
- Enabled / disabled
status of 2Mbps channels
- Master / Slave status
- Monitoring healthy /
unhealthy state of microcontroller and 2Mbps line
interface units
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