Technical Specifications - STM-1 (upto 28 E1)

Network Topology	Linear Ring
Network Element Configurations	STM-1 Add & Drop Multiplexes (ADM) STM-1 Terminal Multiplexes (TMUX)
Line Side (Aggregate) Optics	2 x STM-1 1310/1550 nm
Tributary Interfaces	E1 / DS1 Electrical Interfaces E3 / DS3 Electrical Interfaces 10/100 Ethernet
Connection Matrix	252 X 252 VC-12 cross connect, non blocking Line-to-Line, Line-to-Tributary, Tributary-to-Line and Hair-pinning
Protection	1+1 SNCP (as per G.841) 1+1 linear APS (as per G.841) VC-12, VC-3 level path protection
Redundancy	Redundant Power Supply Unit
Management	NES (Network Element Software), supports full FCAPS functionality via web browser interface. SNMP interface for NMS RS-232 port for craft interface V.24/V.28 Modem interface for remote management In-band control supported using SDH Overhead Supported using SDH Overhead 10/10OBase-T interface Alarm Signaling Indicators and External Contacts
Maintenance	Higher-order and Lower-order POH, SDH level alarms and performance monitoring (as per G.826 and G.784) Local & remote loop back Software Downloads
Power Supply	Feed -48V DC (Redundant) Input tolerance: -40V to -60 V DC Low power consumption - less than 35W
Physical Dimensions H x V x D	H x W x D (44 mm x 435mm x 300 mm)
Environmental Operating Temperature Humidity	0° to 50° C 10% to 90%, non-condensing

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