• STM-1 (Optical / Electrical) Add-Drop Multiplexer (with upto 16 E1 & 4 Ethernet) SDH Equipment

STM-1 (Optical / Electrical) Add-Drop Multiplexer (with upto 16 E1 & 4 Ethernet) SDH Equipment

Orion Telecom Offers Power Utility Solutions Oil & Gas Networks Solutions Railway & Metro Rail Solutions PTP IEEE-1588v2 GPS Primary Reference Clock Packet Optical Transport Multiplexers Teleprotection SCADA, FOTE, OLTE Digital Cross Connects Echo Cancellers IP/Ethernet over TDM 1+1 APS (Fail-Over) Solutions Monitoring Groomer Solutions

STM-1 (Optical / Electrical) Add-Drop Multiplexer (with upto 16 E1 & 4 Ethernet) SDH Equipment


Orion's offers STM-1 (Optical / Electrical), E1 and Ethernet Multi-Service SDH Transmission Unit is a modular platform unit with two 155.52Mbps optical / electrical interfaces, which may be used in a point-to-point, chain or ring application to provide an ultra-compact, cost effective and flexible multi-service platform.

Data Sheet (PDF)

Interface card options include the 8xE1 interface card (120 Ohms [RJ-45] and 75 Ohms [BNC]), 4x100BaseT Ethernet interface card (1 VCG, 4 Ports 1 Channel) and 4x100BaseT Ethernet interface card (4 VCG, 4 Ports 4 Channels) options along with Engineering Order Wire is available. The user removable / replaceable STM-1 Optical / Electrical interface option makes it easy to meet various and changing user requirements. Orion's STM-1, E1 and Ethernet over SDH Transmission Equipment provides full capability to cross-connect at E1 level between all tributaries

The equipment can be used as Terminal Multiplexer (TM) or an Add-Drop-Multiplexer (ADM) to build a point-to-point, ring and chain (add-drop) transmission network.

STM-1 (Optical / Electrical) Add-Drop Multiplexer (with upto 16 E1 & 4 Ethernet) SDH Equipment

Features and Highlights

  • 1U height, 19-Inch standard rack-mountable chassis
  • Service interfaces
    • 2 x STM-1 optical interfaces, MSA compliant SFP (pluggable) optical module (LC connector) based design, which supports onsite optical port replacement
    • 2 x STM-1 electrical interfaces, SFP electrical module (Mini BNC connector) Optional
    • Maximum 16 E1 interfaces compliant with ITU-T G.703 (8 E1 interfaces per card)
    • 120 Ohms E1 and 75 Ohms E1 interfaces options available
    • 4 x 10/100BaseT Ethernet (electric) interface
    • 10/100BaseT (FE) Ethernet Interface Options:
      • 4 Ports, 4 Channels (4 VCG), and
      • 4 Port 1 Channel (1 VCG)
    • 1x GigE (Gigabit) Ethernet interface Options
      • Optical GigE (Gigabit) Ethernet interface,
      • Electrical 1000BaseT (Gigabit) Ethernet Interface
  • Provides complete diagnostics facilities to the user for monitoring optical ports and provide reading of optical transmit power, optical receive power, laser temperature, bias current in voltage alarms etc.
  • Performance Monitoring and Alarms - Error counts for B1, B2, B3
  • Performance Analysis - Error Seconds (ES), Several Error Seconds (SES), Unavailable seconds (UAS), Higher Order Virtual Container - Remote Error Indication (HOVC-REI), Higher Order Virtual Container - Pointer Justification Event (HOVC-PJE)
  • Management and Maintenance interfaces
    • 10/100BaseT Ethernet management interface
    • RS232 serial management interface
    • Remote (Telnet) management interface
    • Windows XP based Graphical User Interface (GUI)
    • Windows 7 based Graphical User Interface (GUI)
    • SNMP V2 Monitoring
    • Engineering Order Wire (EOW) interface (RJ-11)
    • NMS (Network Management System) for monitoring multiple units from a single / central location
  • Timing mode
    • Synchronization with STM-1 line timing
    • Synchronization with timing from any of the E1 interfaces (1-16 E1 tributary interfaces)
    • External timing source option - 120 Ohms 2MBps (External Bits Clock)
    • External timing source - 120 Ohms 2MHz (External TTL Clock) - Factory Configurable
    • Internal Clock - ITU-T G.813 internal oscillator (Stratum 3)
    • The timing source can be auto-switched according to default or operator programmed settings
  • Ethernet Standards Conformity
    • Generic Framing Procedure GFP-F compliant with ITU-T G.7041
    • VCAT compliant with ITU-T G.707 and LCAS compliant with ITU-T G.7042
    • Ethernet flow control on WAN port and LAN port
    • Large buffer size upto 410,000 bytes
    • Maximum Frame length (MTU size):1536 bytes with 4 port 1 channel (1 VCG) Ethernet Card
    • Maximum Frame length (MTU size):2036 bytes with 4 port 4 channel (4 VCG) Ethernet Card
    • Auto MID/MID-X for Ethernet Interfaces
    • Support 802.1Q based VLAN tagging (4 ports 1 channel (1 VCG) Ethernet Card only)
    • Support Port based VLAN tagging (4 ports 1 channel (1 VCG) Ethernet Card only)
    • Performance Analysis
      • All Received Packets
      • All Transmitted Packets
      • Received Dropped Packets
  • Supports 1+1 Line Protection and Automatic Protection Switching (APS) with less than 50ms recovery
  • Supports point-to-point, ring and chain topology (4 VCG card only)
  • Local management and network-based management via a unified platform
  • Supports Remote Power Down Detection and Auto Laser Shutdown
  • Supports STM-1 and E1 loop-back for troubleshooting
  • 850nm multi-Mode, 1310nm Single Mode and 1550nm Single Mode optical interface options offered
  • Ethernet mapping adopts GFP/VC-12 virtual concatenated technology; according with MSTP criterion
  • Provides Ethernet over SDH mapping through standard GFP and VC-12 virtual concatenation (VCAT)
  • Ethernet bandwidth can be adjusted by the user between 2MBps ~126 Mbps (VC-12 mapping)
  • Supports MAC Address list filtration, learning and updating function
  • Easy to operate
  • Redundant power supply card options AC+DC, DC+DC and AC+AC
    • 110V AC - 240V AC (50/60 Hz) power options available
    • -48V DC power option available
    • -24V DC power option available
  • Power consumption less than 17W.

Alarm and Indicator Monitoring

  • Power Indicator
  • Current Status (integrity and activity) Indicator
  • Urgent Alarm Indicator
  • Minor Alarm Indicator
  • Optical Signal Loss Alarm Indicator
  • Remote Device Power-down Indicator
  • Ethernet Card Status Indicator
  • General Alarm Indicator for Ethernet Card (including Link-down of Ethernet Port)
  • Auto Laser Shutdown (ALS) Indicator
  • Engineering Order-Wire (EOW) Indicator
  • Ethernet Link Indicator
  • Ethernet Speed Indicator
  • E1 Card Status Indicator
  • Dry contact via 9-pin, D-type male connector
  • Buzzer Alarm
  • SNMP Diagnostic and Monitoring

Application Diagram

Application # 1: Point to point Network Application Diagram

Point to point network application diagram

Application # 2: Chain Network Application Diagram

Chain network application diagram

Application # 3: Ring Network Application Diagram

Ring network application diagram