The VCL-HSL 64 E1 Port Hi-Z Monitoring Equipment is equipped with 64 E1 receive ports,
through which the attenuated "tapped / monitored" signal of the 32
"live" HSL E1 links" is input from a high impedance (Hi-Z) point of
a DDF / patch-panel. The equipment also provides 64 E1 transmit
(output) ports from where the regenerated and reproduced E1
"monitored" link output is obtained by the user to connect to
protocol analysers, test probes, billing servers etc. as a normal E1
output.
The VCL-HSL 64 E1 Port Hi-Z Monitoring Equipment is capable of monitoring an
attenuated -20dBdsx (0.3 Volt Pulse) E1 signal received through a
Hi-Z path, without in any way affecting or disturbing the "live" E1
traffic on the "live" E1 links which are being monitored.
The VCL-HSL 64 E1 Port Hi-Z Monitoring Equipment, occupies only a 2U high
rack-space, and is a compact 19-inch stand-alone unit. The unit is
powered by and operates from a -48V DC power supply.
An AC mains option is also available with an
external AC-DC adapter.
The equipment is provided with an RS232 as well
as a USB serial data interface for local equipment access and
management through a serial data port. The equipment is also
provided with a 10/100BaseT Ethernet interface for remote equipment
access over a TCP/IP link.
The access for configuration and system
management is provided through CLI (Command Line Interface) text
commands which may be executed either from a serial (COM) Port of a
PC or through the TCP/IP 10/100BaseT LAN Interface. The 10/100BaseT
LAN Interface allows the equipment to be connected on a TCP/IP
network for remote access for configuration and monitoring over a
TCP/IP link.
The equipment supports SNMP V2 Trap monitoring.
The system is also supplied with an easy to use
Windows XP and Windows 7 compatible Graphical User Interface for
easy equipment control and management.
Dry contact relay alarm output is also available
at rear of the system to connect the system to an external alarm
output though a dry relay contact.
Internal resistive high-impedance isolation may
also be used in the equipment to eliminate the requirement of an
external patch panel with high-impedance Protective Monitoring
Points (PMP).
Shelf Description:
VCL-HSL 64 E1 Port Hi-Z Monitoring Equipment is a 2U, 19 Inch Shelf, fitted with
a backplane that provides rear access of all external interfaces,
including the E1 2 Mbps electrical I/Os, safety ground and external
alarm extension connectors. The system management and control
interfaces are provided on the front panel for easy operator access.
The E1 2 Mbps, Input and the Output Interfaces
are 120 Ohms, terminated on DB-37 connectors in the 19-inch 2U high
version of the equipment.
