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The DataBand "E1T1" is a low cost, simple to use, leased line converter for converting between T1 and E1 circuits.
Available in two versions; for a single conversion between T1 and E1 or for two separate conversions. |
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See the product details below and the links and PDFs in the panel on the right. |
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The DataBand "MUX-4" can also convert between E1 and T1 leased lines and has extra configuration parameters and abilities. |
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| DataBand "E1T1" documentation - prices from £1000 / $1500 / €1200 |
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Datasheet |
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Ordering information |
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Quote form |
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Manual - register to download this information |
You might also be interested in:- |
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DataBand "MUX-4" - 4-port mux with optional E1/T1 conversion |
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DataBand "BU+1E" - Fast and automatic backup to a standby circuit |
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DataBand "BU-IP" - Backup one or two leased lines via IP |
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DataBand ISDN backup products - not yet migrated to this new web site. |
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| Features |
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Converts between one or two pairs of E1
T1 circuits |
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Automatically cross-connects timeslots |
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A-Law to μ-Law conversion for voice |
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AC or DC PSU options (internal) |
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Clocking hierarchy |
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Easy and intuitive to configure via GUI
management package |
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Approved (Telecoms, Emissions, Safety) |
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RoHS compliant |
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| Overview |
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DataBand “E1T1” provides conversion between E1 and T1 circuits.
It is available with one conversion (one E1 to one T1 interface) or
two conversions. |
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Timeslots are automatically mapped.
DbManager is a high-quality intuitive GUI that connects to and
manages/monitors DataBand “E1T1”; several versions are
available in addition to the free DbLite supplied and multiple units
can be monitored simultaneously if required.
All Patapsco products are designed and manufactured to the
highest standards and all are independently approved by European
test houses.
Software-selectable clock source, using any interface or high-quality
Internal Clock with auto-switchover to secondary/tertiary clocks on
circuit loss. The internal clock accurate to +/- 1ppm.
There is an internal battery-backed real-time clock for Event Log timestamps
and debugging purposes and up to 5000 Events are held
within the DataBand in NV RAM on a FIFO basis. Events can be
reported automatically to the locally-attached DbManager or across
the LAN. |
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DbManager can also access the logs and download them when
required. DbManager writes all Events and Alarms to a flat .csv file
in real-time and this file can be manipulated by external tools to
format and extract information.
Loops can be set in either direction.
Configuration is held in non-volatile FLASH memory (retained during
power-off) and downloadable to/from the DbManager.
Configuration files can be saved to a file on a PC. |
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New versions of software can be remotely uploaded to DataBand
via the DbManager. This is loaded to an off-line sector of FLASH and
a confirmation checksum given. The operator can switch software
banks or revert to the original software at any time. If the DataBand
is unable to run from the new software, it will revert to the original.
The DataBand “E1T1” benefits from a wide range of approvals for
connection to leased lines. All Patapsco equipment is RoHS
compliant.
Note: The DataBand MUX-4 has similar functionality to this platform
but with extra configuration options with user-access to all timeslot
routing. |
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Specification |
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1. Interfaces |
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1.1 E1/T1 – available with 2 or 4 TDM ports.
Marked as ‘21’ ‘22’ ‘23’ and ‘24’
By default 21 and 23 are configured to be DTE (connect to
leased lines); 22 and 24 as DCE (connect to CPE)
E1 (a) E1 (b) - optional
T1 (a) T1 (b) - optional
The default configurations can be changed by the user but crossed
cables are necessary
Ports 21 and 22 are supplied on the single conversion unit.
E1
RJ45 120Ohm balanced
G.704 HDB3 encoded
Auto-detect CRC4 or non-CRC4 framing
(Multiframe or Doubleframe)
Support of non-switched E1 and Fractional E1 services
T1
RJ45 100Ohm balanced
ESF or D4 Framing selectable
B8ZS or AMI Line code selectable
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1.2 Timeslots
Automatically connected as follows:
E1 T1
1 0
2 1
3 2
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: :
23 22
24 23 |
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1.3 Control Ports
RJ11 Marked ‘Term’
Asynchronous 8 data, 1
stop bit no parity 19.2kbps to 115kbps (auto-detect)
Password protected
Dry contact alarm relay
Ethernet RJ45 Marked ‘LAN’ 10baseT or 100baseT
Password protected |
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2 LEDs |
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TDM x 4
Each TDM Interface has 2 associated LEDs
Upper LED - fl=synchronising to Layer 1; solid=Layer 2 established
Lower LED - fl=circuit establishing; solid=at least 1 64kbps channel
in place LAN ACT x 1 Activity on the LAN
LAN 100 x 1 Off = 10baseT operation; on = 100baseT
operation |
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3 Power |
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1. Mains AC
Internal high-quality
switch-mode supply IEC
connector
Voltage range 95
240VAC auto-sensing
Input frequency 47-63Hz
Max current consumption
200mA @ 230VAC
2. Power – DC
Internal -48VDC nominal
-33VDC to -75VDC
0.35A max
4mm Terminal Block
MTBF – 1,790,000 hrs
3. Power - DC
Internal -24VDC nominal
-18VDC to -75VDC
0.55A max
4mm Terminal Block
MTBF – 800,000 hrs
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4 Environment |
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Operating 0–55 °C
Humidity 10-90% non-condensing
Natural convection cooling |
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5 Physical |
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292mm wide x 200mm deep x 44mm high
Metal chassis, front and rear panels
Weight is 1.1Kgs 2.4lb
Optional 19’ rack-mounting kit |
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6 Maintenance |
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There are no serviceable parts or maintenance required.
The battery used for the real-time clock and some NV RAM
elements has a 7 year (typical) life-time. |
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7 Approvals |
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All approvals completed in UK
Accredited laboratory - reports available
1. Telecoms
TBR12/TBR13
TBR4:1995, 1997 Amendment
TIA/E1A-IS/968
TNA117
AS-ACIF-S006/S016
CS-03 Canada
TIA-968-A USA
2. Safety
IEC60950-1:2007
ACS/NZS60950:2000
AS/NZS3260:1993
ACA TS001:1997
3. EMC
EN55022:2006
EN55024:2001
A12001
EN61000-3-
2/3:1995
AS/NZS
CISPR22:2000 |
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