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Ethernet over STM-1 (EoS) Converters
Valiant offers its
latest cost effective Ethernet to STM-1 converters (Ethernet over SDH Converters) in a 1U
(44mm high) box in a 19-inch rack mount chassis.
Valiant’s
VCL-Ethernet-over-SDH (EoS) provides a simple, cost effective and compact solution to
convert 10/100BaseT data interface on the user side and transport Ethernet traffic over a
STM-1 SDH link and reconstruct the data back to ethernet frame format, at remote end. The
converter is an effective method for converting and transporting 10/100BaseT ethernet data
over an STM-1 (SDH) link.
Applications:
10/100 BaseT Ethernet to STM-1 (EoS) conversion
(100BaseT over an STM-1 interface)
WiMAX station connectivity
3G mobile station connectivity
Ethernet over STM-1 converter - Remote LAN over wireless
Ethernet over STM-1 converter - Remote LAN application
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 Features and Highlights:
- Compact 1U height, 19-Inch standard chassis ideal for rack
mounting
- Service interfaces
- 2 x STM-1 optical interfaces, SFP optical module (LC
connector)
- 2 x STM-1 electrical interfaces, SFP electrical module (Mini
BNC connector) (optional)
- 4 x 10/100BaseT Ethernet (electric) interface
- 1 x GigE (GigaBit) Ethernet (optical) interface (optional)
- Management and Maintenance Interfaces
- TCP/IP Management Interface for Telnet and SNMP
- RS232 Serial Management Interface
- SNMP based NMS inbuilt with Windows XP / Windows Vista
compatible Graphical User Interface (GUI)
- SNMP V2 Management and Monitoring
- Engineering Order Wire (EOW) Interface (RJ-11)
- Timing mode
- Synchronization with STM-1 line timing
- External timing source option - 120 Ohms 2MBps (External
Bits Clock)
- External timing source - 120 Ohms 2MHz (External TTL Clock)
- Internal Clock - ITU-T G.813 internal oscillator
- 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
- Maximum Frame Size : 1536 bytes
- Auto MDI/MDI-X for Ethernet Interfaces
- Supports 1+1 Line Protection and Automatic Protection
Switching (APS) with less than 50ms recovery
- Supports Remote Power Down Detection (RPD) and Auto Laser
Shutdown (ALS)
- Supports STM-1 loop-back for troubleshooting
- Supports management based on CLI commands via RS232
interface and TELNET
- Redundant power supply (-48V DC) option available
- Power consumption less than 20W
- Providing standard STM-1 Electrical interface compliant to
G.664 standard
- 4 x Ethernet Ports - electrical
- Supports 802.1Q based VLAN tagging
- Supports Port based VLAN tagging
- Dual or single fiber transmission supported
- 1310nm wavelength and 1550nm wavelength supported
- 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)
- EoS bandwidth can be adjusted between 2M~100M by set the
number of VC-12s (1~48) through management software
- Supports MAC Address list filtration, learning and updating
function
- Easy to operate
STM-1 optical interface
| Data Rate |
155.52 Mbps |
| Standard |
ITU-T G.967 compliant |
| Bit rate |
155.520Mbps |
| Coding |
NRZ |
| Connector |
LC |
| Light source |
Class 1 Laser |
| Wave length |
1310nm or 1550nm (optional) |
| 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 |
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STM-1 electrical interface
| 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 |
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Ethernet Interface Specification: 10/100BaseT (Electrical)
| Interface Types |
10/100BaseT |
| 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 |
10/100BaseT |
| Connectors |
RJ-45 (10/100 BaseT Electrical) |
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Ordering Information
VCL-Ethernet
over SDH |
S. No. |
Part # |
Product
Description |
Qty |
1. |
VCL-STM-1-o-ETH |
STM-1 Optical, Ethernet over SDH
transmission unit |
2 |
2. |
VCL-STM-1-e-ETH |
STM-1 Electrical, Ethernet over SDH
transmission unit |
2 |
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