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Ethernet over T1 / J1
10/100 Base-T to T1 / J1 Interface Converter
Description |
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Orion’s Ethernet over T1 / J1 Converter allows the user to send
Ethernet data, between two points, over a T1 / J1 link. T1 / J1
Interface is 100 Ohms. Ethernet Interface options may be ordered as
10/100 Base-T Electrical Ethernet or 100Base-FX Optical Ethernet
over 1310nm / 1550nm single mode optical fiber interfaces.
The equipment must be always installed and used in pairs, with
one terminal being installed at either end of the T1 / J1 link.
The VCL-Ethernet over T1 / J1 Converter is an Ethernet extension
device utilizing TDM telecom infrastructure (of T1 / J1s, DS3, SDH
or microwave links carrying T1s or J1s). It converts the Ethernet
data into T1 / J1 frame format for transmission over the existing
TDM (T1 / J1) links and then re-converts the T1 / J1 back into
Ethernet data the far-end terminal, to BRIDGE two Ethernet LANs over
the existing T1 / J1-based telecom network. The device can
effectively utilize the existing TDM network to transport Ethernet
data with low investment.
Application
The equipment may be used for the following
purposes:
- Bridging Ethernet LANs over existing TDM (T1 / J1) telecom
network.
- Extending Ethernet networks utilizing TDM (T1 / J1) landline
based telecom infrastructure.
- Using telecom network of T1s / J1 / PDH / SDH microwave etc.
to transport Ethernet data.
In all cases the equipment be always installed and used in pairs,
with one terminal being installed at either end of the network.
Typical Application
Technical Features
- The maximum transmission rate of Ethernet data over T1 / J1
links is 1.554Mbit/s
- T1 / J1 supports three working modes of transmission.
Un-Framed / Transparent, Framed (CCS) and Multiple Framed format
- 10/100 IEEE 802.3 Ethernet MAC (MII and RMII) half/full duplex
with automatic flow control
- Supports X.86, LAPS and HDLC transmission protocols
- Committed information rate controller provides fractional
allocations in 512 Kbps increments
- Available with MAC address list filtration, learning, and
updating functions
- A large external SDRAM buffering for handling data bursts
- Equipment supports two clock synchronization modes, Internal
clock and Network clock (Loop-Timed clock)
- User configurable T1 and J1 modes – allows the user to use the
equipment in either T1 or in J1 mode.
T1 Interface Specifications
| Number of T1 |
1 |
| Line Rate |
T1 (1.554 Mbps ± 50 bps) |
| Electrical |
ITU-T G.703 |
| Available Time Slots |
Unframed, Framed 1-24 user
selectable |
| Framing Structure |
As per ITU G.704 |
| Frame Alignment and CRC-6 |
As per ITU-T G.706 |
| Framing Options |
Unframed, D4, ESF user
selectable |
| Line Code |
AMI, B8ZS user selectable |
| Jitter |
As per ITU-T
G.823, ITU-T 1.431 |
| Impedance |
100 Ohms |
| Connector |
RJ-45 (F) |
J1 Interface Specifications
| Number of J1 |
1 |
| Line Rate |
J1 (1.554 Mbps ± 50 bps) |
| Electrical |
As per JT-G.703 |
| Available Time Slots |
Unframed, Framed 1-24 user selectable |
| Framing Structure |
As per JT-G.704 |
| Frame Alignment and CRC-6 |
As per JT-G.706 |
| Framing Options |
Unframed, D4, ESF user selectable |
| Line Code |
AMI, B8ZS user selectable |
| Jitter |
As per ITU-T G.823, ITU-T
1.431 |
| Impedance |
100 Ohms |
| Connector |
RJ-45 (F) |
Power Supply
| AC Mains Input |
100V AC to 260V AC, 50/60 Hz (AC Mains
Input Model) |
| DC Mains Input |
-48V DC (DC input model) |
| Power Consumption |
≤ 9W |
Service Conditions
| Ambient temperature |
-200C ~ +650C |
| Relative humidity |
≤ 90% (at 350C) |
Mechanical Specifications
| Height |
44 mm. |
| Depth |
260 mm. |
| Width |
480 mm. |
| Weight |
4 Kgs. |
Management Ports
- 10BaseT Ethernet
- RS232 Serial Interface
- USB Serial Interface.
Management and Monitoring
- Telnet
- CLI (Command Line Interface) text commands
- SNMP
- Graphical User Interface (GUI).
Ordering Information
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VCL-Electrical Ethernet over T1 / J1 |
| S. No. |
Part # |
Product Description |
| 1 |
VCL-Ethernet over T1 / J1 DC-E |
DC Input with Electrical Ethernet |
| 2 |
VCL-Ethernet over T1 / J1 AC-E |
AC Input with Electrical Ethernet |
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VCL-Optical Ethernet over T1 / J1 |
| S. No. |
Part # |
Product Description |
| 1 |
VCL-Ethernet over T1 / J1 DC-1310 |
DC Input/1310nm Optical Center wavelength
|
| 2 |
VCL-Ethernet over T1 / J1 DC-1550 |
DC Input/1550nm Optical Center wavelength |
| 3 |
VCL-Ethernet over T1 / J1 AC-1310 |
AC Input/1310nm Optical Center wavelength |
| 4 |
VCL-Ethernet over T1 / J1 AC-1550 |
AC Input/1550nm Optical Center wavelength |
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| VCL-Optical +
Electrical Ethernet over T1 / J1 |
| S. No. |
Part # |
Product Description |
| 1 |
VCL-Ethernet over T1 / J1
DC-1310/E |
DC Input/1310nm Optical
Center wavelength+Electrical Ethernet |
| 2 |
VCL-Ethernet over T1 / J1
DC-1550/E |
DC Input/1550nm Optical Center
wavelength+Electrical Ethernet |
| 3 |
VCL-Ethernet over T1 / J1
AC-1310/E |
AC Input/1310nm Optical
Center wavelength+Electrical Ethernet |
| 4 |
VCL-Ethernet over T1 / J1
AC-1550/E |
AC Input/1550nm Optical
Center wavelength+Electrical Ethernet |
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Others Links
Technical specifications are subject to change without
notice.
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