For data traffic, it supports the following interfaces:
• Channelized E1 / Fractional E1 data
• RS-232 asynchronous data
• Sub-rate multiplexing to provide 4 asynchronous data channels in a single 64Kbps time-slot
• V.24 synchronous data / asynchronous data
• G.703, @ 64 Kbps, co-directional
• V.35, V.36, X.21, V.11, RS530, RS449 synchronous, “n”x64Kbps data
• Relay I/O Card (Dry Contact)
• Universal DCE / DTE synchronous “n”x64Kbps data interface
• BRI ISDN “U” Interface
• IEEE C37.94 Teleprotection Interface
• 8E1 plus 100Mbps Ethernet fiber optical transport interface along with the following:
• EOW (Engineering Order Wire) channel for end to end installation and maintenance
• Local and remote loop back test for diagnostics
• 1+1 Fiber Path protection
• ALS (Auto Laser Shutdown) facility for eye safety
• 10/100M Ethernet Port - 100 Mbps Ethernet data transmission rate complies with IEEE8 02.3
Configuration and Flexibility
VCL-MX Version 6 - E1 160Mbps Multiplexer can be configured as an Add-Drop Multiplexer (ADM) and
Terminal Multiplexer (TMUX). It can support diverse topologies like point-to-point, ring, star and tree.
It can be configured in various topologies supporting both electrical and optical interfaces. It can take
modular cards, which would enable the customers to start small and grow as traffic demands scale.
Synchronization
Timing Options
Internal Clock, Loop-Timed Clock, External Clock. User selectable
synchronization priority
Synchronization Sources
Internal Clock, span clock timing derived from incoming HDB3 links
(Loop-Timed), External Clock, 75 Ohms (TTL), 2.048 Mbits and
120 Ohms (Bits clock)
Default Option Internal Clock (Stratum 3)
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