Product Overview

•   1U heigh, – 19 Inch standard rack-mountable Stand-alone 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

c   4 Ports, 4 Channels (4 VCG), and

c   4 Ports, 1 Channel (1 VCG)

›   1 x GigE (Gigabit) Ethernet interface Options

c   Optical GigE (Gigabit) Ethernet interface

c   Electrical 1000BaseT (Gigabit) Ethernet Interface

• Provides complete diagnostics facilities to the user for monitoring optical ports and provide reading of optical transmit and 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):1552 bytes with Gigabit Ethernet Card

›   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 Electrical Gigabit compliant with 802.3ab

›   Optical Gigabit compliant with 802.3z

›   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

c   All Received Packets

c   All Transmitted Packets

c   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 MACAddress list filtration, learning and updating function
• Easy to operate
• Redundant power supply card options AC+DC, DC+DC and AC+AC

›   110VAC – 240VAC (50/60 Hz) power options available

›   -48V DC power option available

›   -24V DC power option available

• Power consumption less than 17W

Application # 1: Point to point Network Application Diagram
Application # 2: Chain Network Application Diagram

Application # 3: Ring Network Application Diagram

.   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

Network Topology and Interfaces

Network topology	Point to point network, Ring and Chain
Service interfaces	STM-1 SDH single optical or double optical ports (1+1 protection) supported –   8/16 E1 Interfaces –   1 VCG, 4 VCG or GigE Ethernet Interfaces

STM-1 Electrical Interface – Technical Specifications

Data Rate	155.52 Mbps
Standard	ITU-T G.703 Compliant
Line Code	CMI
Physical Connector	Mini BNC
Automatic 1+1 line protection	Less than 50 ms switching / recovery

STM-1 Optical Interface – Technical Specifications

Data Rate	155.52 Mbps
Standard	ITU-T G.957 compliant
Bit rate	155.520Mbps
Coding	NRZ
Connector	LC
Light source	Class 1 Laser
Wave length	850nm/1310nm/1550nm (optional) – 1310nm Std.
Transmit power	S 1.1, L 1.1, L 1.2 (- 11 dBm to – 2.5 dBm – as may be ordered)
Receive sensitivity	S 1.1, L 1.1, L 1.2 (- 28 dBm to – 34 dBm – as may be ordered)
Automatic 1+1 Line Protection	Less than 50 ms switching / recovery
Automatic Laser Shut Down Option	User selectable options

STM-1 Monitoring and Performance Analysis

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)

Optical Interfaces

Type	Wavelength (nm)	Mean launched power (dBm)	Receiver sensitivity (dBm)	Receiver overload (dBm)	Connector	Configuration
Double fibers, Two Direction	1310	-8 ~ -12	-36	-3	LC	Standard (S1.1)
	1310	0 ~ -5	-36	-3	LC	Optional (L1.1)
Single fiber, One Direction	1310/1550	-8 ~ -14	-30	-3	LC	Optional
	1310/1550	0 ~ -5	-30	-3	LC	Optional

1 VCG – Ethernet Interface Specification: 10/100BaseT (Electrical)

Number of Interfaces	4
Number of VCG/Channel	1
Interface Types	10/100BaseT
Ethernet Mode	Half/Full
MDI/MDI-X Support	Yes
VCAT Compliance	ITU-T G.707
LCAS Compliance	ITU-T G.7042
GFP-F	ITU-T G.7041
Frame Size	1536 bytes
Transmission Bit Rate	10/100 Mbps
Connectors	RJ-45 Electrical
802.1Q MAC packet transparent transmission supported
Ethernet data rate can be adjusted from 2M to 100M

4 VCG – Ethernet Interface Specification: 10/100BaseT (Electrical)

Number of Interfaces	4
Number of VCG/Channels	4
Interface Types	10/100BaseT
Ethernet Mode	Half/Full
MDI/MDI-X Support	Yes
VCAT Compliance	ITU-T G.707
LCAS Compliance	ITU-T G.7042
GFP-F	ITU-T G.7041
Frame Size	2036 bytes
Transmission Bit Rate	10/100 Mbps
Connectors	RJ-45 Electrical
802.1Q MAC packet transparent transmission supported
Ethernet data rate can be adjusted from 2M to 126M

GigE – Ethernet Interface Specification

Number of Interfaces	2 Electrical (Comply with IEEE 802.3ab)
	1 Optical – Optional (Comply with IEEE 802.3z)
Interface Types	10/100/1000BaseT or 1000Base-FX (LC)
MDI/MDI-X Support	Yes (Electrical port)
VCAT Compliance	ITU-T G.707
LCAS Compliance	ITU-T G.7042
GFP-F	ITU-T G.7041
Frame Size	1552 bytes
Transmission Bit Rate	10/100/1000 Mbps
Connectors	RJ-45 Electrical / LC – Optical
802.1Q MAC packet transparent transmission supported
Ethernet data rate can be adjusted from 2M to 126M

Ethernet port (1 VCG/4 VCG/GigE) Performance Analysis

.    All Received Packets

.    All Transmitted Packets

.    Received Dropped Packets

E1 Interface Specification – 120 Ohms

Number of E1s (Max) per system	16 E1 Interfaces
Number of E1s per E1 service card	8 E1 per card
E1 Interface option	8 E1 / 16 E1 (Optional)
Line Rate per E1	(2.048 Mbps ± 50 bps)
Line Code	HDB3
Framing Structure	As per ITU (CCITT) G.704
Framing Options	Un-Framed/PCM 30/PCM 31
Electrical	As per ITU-T G.703
Jitter	As per ITU-T G.823
Impedance	120 Ohms balanced
Nominal Pulse Width	244ns
Pulse Shape	As per ITU-T G.703
Connector	RJ-45 (F)

E1 Interface Specification – 75 Ohms

Number of E1s (Max) per system	16 E1 Interfaces
Number of E1s per E1 service card	8 E1 per card
E1 Interface option	8 E1 / 16 E1 (Optional)
Line Rate per E1	(2.048 Mbps ± 50 bps)
Line Code	HDB3
Framing Structure	As per ITU (CCITT) G.704
Framing Options	Un-Framed/PCM 30/PCM 31
Electrical	As per ITU-T G.703
Jitter	As per ITU-T G.823
Impedance	75 Ohms unbalanced
Nominal Pulse Width	244ns
Pulse Shape	As per ITU-T G.703
Connector	BNC

E1 Port (TU 12) Performance Analysis

.    Error Bits (EB)

.    Error Seconds (ES)

.    Several Error Seconds (SES),

.    Unavailable seconds (UAS)

.    Remote Error Indication (REI)

.    Code Violation (CV)

Clock Synchronization Options

Clock Synchronization options	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) – Factory Configurable
	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

Engineering Order Wire (EOW)

Engineering Order Wire (EOW)

RJ-11 connector

NMS

.   Graphical User Interface (GUI) Windows XP / Windows Vista / Windows 7 compatible

.   SNMP V2 based NMS

.   Supports In-band Management

Power Supply Options

DC Mains Input	– 48V DC (range -18V DC to -72V DC)
AC Main Input	100V AC to 240V AC, 50 / 60 Hz
Power Protection	1+0 (AC, DC), 1+1 (AC+AC, AC+DC, DC+DC)
Power Consumption	< 17 Watts
Input Connector	3 PIN Socket for AC 3 PIN Connector for DC
Redundancy	Supports AC/DC (Hot Swappable – Power Supply)

Operating Conditions

Ambient temperature	-100C ~ +600C
Relative humidity	<90% (Non condensing)

Mechanical Specifications

Rack Mounting	Standard 19 Inch. DIN Rack
Height	44 mm.
Depth	256 mm.
Width	440 mm.
Weight	3.75 kg