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E3, 34Mbps OLTE (Optical Line Terminal
Equipment)
 Valiant also offers the VCL, E3-OLTE is
a 34Mbps Optical Line Transmission Equipment which converts and transports a
ITU-T G.703 compliant standard electrical E3, 34Mbps signal into a G.823 and G.821
compliant optical signal for transport over 1310nm optical fiber cable. The optical link,
between two OLTE terminals is established on one pair of optical fiber. One fiber link is
used for transmit and the other fiber link is used for receive.
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External
Interfaces
- VCL-OLTE unit provides the following interfaces to the
external world:
- 1, 34Mbps, 75 Ohms unbalanced electrical interface
- 2, 34Mbps, optical interface(s) - only one link is active at a
time (optional)
- -48V input for VCL-OLTE on-board power supply
- RS232 interface for connection to Network Management System,
used for configuration and monitoring of VCL-OLTE system.
- 2 alarm extensions for visual and audible alarms.
Programming and Monitoring
VCL-OLTE offers programming via an RS232 port for control and
monitoring of the terminals. Both local and remote terminals can be monitored and
controlled using a PC loaded with the NMS software connected to the local terminal.
- Programming Features
- Programming of 1+1 protection switching
- Auto Laser Shut off enable / disable
- Setting local or remote loopbacks on 34Mbps electrical stream
- Configuring of alarms
- Alarm acknowledgment option
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- Status Monitoring
- Status of alarms.
- Presence or absence of loop-back on 34 Mbps electrical stream
- Enabled / disabled state of Auto laser Shutoff facility
- Viewing the currently active receiver and reason for switch
over to that receiver
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