T1 DXC / T1 DACS - Upto 80 x T1, 120Mbps Digital Access Cross Connect Switch

VCL Products > DACS > T1 DXC / T1 DACS - Upto 80 x T1

T1 DXC / T1 DACS - Upto 80 x T1
120Mbps Digital Access Cross Connect Switch

Get Data Sheet Power Point Presentation (PPS)

The VCL-MX Version 6 DXC 80 T1, 120Mbps Digital Access Cross Connect Switch, is a modular switch that may be scaled from 8 T1 Ports to up to 80 T1 Ports. The VCL-MX Version 6, T1 DACS (T1 DXC) offers full cross-connect functionality to cross-connect between 64Kbps time-slots (DS-0s), “n"x64 Kbps consecutive DS-0s and Fractional T1 channels to full T1 channels. The VCL-MX Version 6 DXC 80 T1, 120Mbps Digital Access Cross Connect Switch, occupies 6U high (266 mm) rack-space and is a complete 19-inch standalone unit that provides a 64Kbps time-slot (DS-0) cross-connect fabric for up to 80 T1 ports. This product offers 1+1 -48V DC Power Supply Redundancy, 1+1 Control Card and Processor Redundancy, 1+1 Cross-Connect (TSI) Redundancy, 1+1 Timing (Synchronization Clock Circuitry) Redundancy. This DXC offers “user selectable” clock / timing synchronization priority.

Key Features and Highlights

120Mbps, 80 T1 fully non-blocking cross-connect at 64Kbps (DS-0) level (1920 DS-0 any to any time-slot cross-connect)
Scalable from 8 T1 Ports to 80 T1 Ports
1+1 Control Card Processor Redundancy
1+1 Cross-Connect / TSI Redundancy
1+1 Timing (Synchronization Clock) Redundancy
1+1 -48V DC Power Supply Redundancy (Dual Power Input allows the equipment to be powered from two separate -48V DC sources)
Bit Error Rate (BER) monitoring BER thresholds to generate BER alarms automatically whenever alarm limits are exceeded
Telnet remote access
SNMP traps
Maintains Access Security Log
USB and RS232, Interface for local connection through the serial interface to the "Network Control and Management Software”
User Selectable Internal, External and Loop-timed clock synchronization priority options
Local and remote loopback facility.

OAM: Operation and Management Ports

RS232 Serial Port
USB COM Port
10/100BaseT Ethernet for remote access.

Security and Protection

Secured Access via SSH V2
Password Protection: Password Protection in compliance with the mandatory clauses of the GR-815-CORE-2 specifications for secured access control.
Logging: Maintains a log of all successful and un-successful attempts.
Logged information includes the ID and the IP address of the accessing entities.
Alerts the administrator if the un-successful logging attempts exceed three.
Security Audit: All access logs for up to 30 days are maintained for security audit purposes.
Security log entry of any request or activity including that user-ID (including IP address, if applicable), to establish user accountability.
Report Generation / Audit Trail.
Security Administration.

Timing (Clock) Synchronization

Timing Options	Internal Clock, Loop-Timed Clock, External Clock. User selectable synchronization priority
Synchronization Sources	Internal Clock, span clock timing derived from incoming T1 links (Loop-Timed), External Clock, 75 Ohms (TTL), or 1.544 Mbps (100 Ohms BITS clock)
Default Option	Internal Clock

System Architectural Details

VCL-MX Version 6, is a scalable DXC that may be used to cross-connect at DS-0 (64Kbps time-slot level) from 8 T1 Ports to 80 T1 Ports (120Mbps). The VCL-MX Version 6 DXC has a multi-slot chassis with TDM backplane. In the chassis, there are ten (10) T1 interface card slots. Each T1 Interface Card has 8 T1 Ports.

Two slots are reserved for 1+1 redundant control cards, which includes the redundant cross connect, processor, TSI and clock synchronization / timing functions. One dedicated slot exists for an OAM card and two slots for 1+1 redundant power supply cards.

Chassis / System Backplane

All connections are made at the rear of the chassis, providing interconnections between the various plug-in cards and to the network. VCL-MX Version 6 - 80 T1, 120Mbps Digital Access Cross Connect Switch supports high-density T1 interface cards.

An extensive set of alarms, for easy maintenance are provided in the system.

System Management

VCL-MX Version 6 – 80 T1, 120 Mbps Digital Access Cross Connect Switch offers a variety of management options. The equipment may be configured using CLI (English text) commands, or a GUI (Graphical User Interface). The management and configuration commands may be executed from a VT100 terminal, Windows HyperTerminal, any DOS-based system, Linux or UNIX based system, or Telnet (remote configuration and management).

The equipment provides a wide choice of access ports for connecting to and executing management and configuration commands through its OAM Card.

The OAM card provides

COM Port (RS232 Serial Port).
USB Port
10/100BaseT Ethernet Port (each multiplexer may be assigned an IP address and connected to a LAN / IP network for remote access and management through the 10/100BaseT Ethernet Port for out-of-band configuration, management and access).