STM-1 Optical to STM-1 Electrical converters.

STM-1 Optical to STM-1 Electrical Converter

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STM-1 Optical to STM-1 Electrical Converter

Valiant VCL-STM-1 Optical to STM-1 Electrical converter provides a simple and cost-effective conversion between STM-1 optical interface to STM-1 electrical interface.

VCL-STM-1 Optical to STM-1 Electrical converter is an interface conversion equipment supplied with one STM-1 electrical interface and one STM-1 optical interface.

VCL-STM-1 Optical to STM-1 Electrical converter is a compact solution housed in a 19" rack 1U high, which can be placed on the desktop or installed in a standard 19 inch rack.

This unit offers three power supply options. Options for the power supply to the equipment include:

AC~220V
DC - 48V
AC~220V with DC - 48V backup.

STM-1 Optical to STM-1 Electrical converters converter complies with ITU-T and the relevant SDH specifications.

The rear panel includes power socket and alarm output terminal interface.

Ethernet over STM-1 (Ethernet over SDH - EoS) - Data Sheet

Features and Highlights:

Provides conversion of one STM-1 Optical (STM-1o) to STM-1 Electrical (STM-1e) interface (and vice versa)
Provides one standard STM-1 optical interface complying with ITU-T G.957, G.958 specifications
Provides one standard STM-1 electrical interface complying with ITU-T G.703 specifications
Visual and Audio Alarm Indicators
Selectable Clock synchronization to STM-1 Optical, or STM-1 Electrical Port
Optional power supply, DC - 48V or AC 220V
Standard 1U, 19-inch rack-mountable shelf
Easy to configure and manage

Compliance:

G.703	Provides one standard STM-1 electrical interface complying with G.703
G.707	Network node interface for the synchronous digital hierarchy (SDH)
G.781	Structure of Recommendations on equipment for the Synchronous Digital Hierarchy (SDH)
G.782	Types and characteristics of Synchronous Digital Hierarchy (SDH) equipment
G.783	Characteristics of Synchronous Digital Hierarchy (SDH) equipment functional blocks
G.813	Timing characteristics of SDH equipment slave clocks (SEC)
G.825	Control of Jitter and Wander within Digital Networks Which are Based on the Synchronous Digital Hierarchy (SDH)
G.957	Provides one standard STM-1 optical interface complying with G.957
G.958	Digital line systems based on the Synchronous digital hierarchy for use on optical fiber cables

Specifications:

STM-1 electrical interface

Data Rate	155520 kbit/s
Signal	STM-1e (STM-1 electrical) signal as per ITU-T G.703
Signal attenuation	12.7dB
Frame Structure	As per ITU-T G.707

STM-1 optical interface

Data Rate	155520 kbit/s (STM-1 optical)
Optical Signal	STM-1o (STM-1 optical) signal as per ITU-T G.957, G.958
Frame Structure	As per ITU-T G.707
Laser type	Class 1 Laser
Output optical power	= -9dBm (standard), Other power output options available upon request
Receiving sensitivity	= -35 dBm (BER = 10-11)
Optical connector type	FC (option 1), SC (option 2)
Central wavelength	850 nm / 1310 nm / 1550 nm (optional as per purchase order)
Optical transmission Distance	0~40 km (40~120 km optional) with standard 1310 nm SM optical interface

Mechanical Specifications

Rack Mounting	Standard 19 Inch. DIN Rack
Height	43.5 mm.
Depth	227 mm.
Width	440 mm.
Weight	4.0 kg

Power Supply

Input voltage	DC - 48V (range - 36V DC ~ - 72V DC)
Power consumption	20 W

Environmental

Temperature	- 5⁰C ~ +55⁰C for operation - 40⁰C to +70⁰C for storage
Humidity	5% to 95% (350C)