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Technical Specifications |
Network Topology
- Linear, Ring, Mesh
Network Element Configurations
- Digital Cross-Connect (DXC)
- Add-Drop Multiplexer (ADM)
- Terminal Multiplexer (TMUX)
- In-Line Amplifier
- Regenerator
Aggregate Interfaces
- 2 x STM-1/4 1310 or 1550 nm (ITU-T G.957 compliant)
- S/L 1.1, S/L 1.2, S/L 4.1, S/L/V/U 4.2
Tributary Interfaces
- E1/DS1, E3/DS3
- STM-1o / STM-1e
- 10/100 Ethernet Interfaces
Modularity
- Modular in design, capable of upgradation to STM-4
- Separate aggregate and tributary cards
- Mix and match tributaries E1, DS1, E3, DS3, STM-1o/e, 10/100 Ethernet
Cross-Connect
- 1008 x 1008 VC-12
- Fully non-blocking
- Line-to-Line, Line-to-Tributary, Tributary-to-Line, Tributary-to-Tributary
Protection
- 2SNCP, 1+1 MSP (as per ITU-T Rec. G.841)
- VC-12, VC-3 level path protection
- Optional hardware redundancy: Power Supply, System Control Unit, Cross-connect and Aggregate Card
- 1:3 E1 tributary protection
Maintenance
- Higher-order and Lower-order POH, SDH level alarms and performance monitoring as per ITU-T Rec. G.826 and G.784
- Local and Remote loop back
- Software Downloads
Network Maintenance
- Element Management System: TejNES supports full FCAPS functionality
- RS-232 port for craft interface
- V.24/V.28 Modem interface for remote management e
- In-band control support using SDH Overhead Bytes
- 10/100 Base-Tx (RJ45) management interface
- E1 management channel with drop facility
- Alarm signaling indicators and External Contacts
Power Supply
- Power Input: -48 V DC nominal, -40 V to 60 V DC
- Power consumption less than 70 W
Timing & Synchronization
- Timing & Synchronization of System as per ITU-T Rec. G.813
- Internal oscillator capable of supplying a G.813 compliant Stratum 3 SEC
- SSM support on S1 byte
- External Timing interfaces: Two E1 BITS interfaces (G.703)
- Accepts/ Provides 2 Mbps/2 MHz clock references
Order Wire Support
- E1/E2 bytes used for Express Order wire (Omnibus/Selective calling facilities)
- F1 byte for user data channel
Physical Dimensions
- Dimensions (H x W x D): 485 mm x 435 mm x 268 mm Can be mounted on a 19 or 23 or 600 mm rack
- Weight: 6 Kg (12 Kg fully loaded)
Environmental
- Operating Temperature: -5ēC to 50ēC
- Relative Humidity: 10% to 90%, non condensing
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Last Updated Dec-2007 |