The Primary Rate Interface ( PRI ) consists of 23 64-kbit / s B-channels and one 64-kbit / s D-channel using a T1 line, often referred to as " 23B + D ", ( North American and Japanese standard ) or 30 B-channels and one D-channel using an E1 line ( Europe / rest of world ).

Most medium to large companies would use Primary ISDN circuits carried on T1 or E1 physical connections.

Non-Facility Associated Signalling or NFAS is a Primary Rate Interface configuration whereby multiple T1 carriers share a signalling channel ( or D channel ).

When a T1 circuit is used to carry Primary Rate ISDN one of the timeslots is used to carry the D channel.

* Non-Facility Associated Signalling, a Primary Rate Interface configuration whereby multiple T1 carriers share a signaling channel ( or D channel ).

The SHDSL payload may be either ' clear channel ' ( unstructured ), T1 or E1 ( full rate or fractional ), multiple ISDN Basic Rate Interface ( BRI ), Asynchronous Transfer Mode ( ATM ) cells or Ethernet packets.

For example, basic DS1 ( T1 ) CSUs support loopback of each interface and will produce Alarm indication signal to the provider's NIU ( Network Interface Device ) in the event of loss of signal from the customer-premises equipment ( CPE ).

* ANSI T1. 403-1999-Network and Customer Installation Interface

Instead, TIA-968-A incorporates a standard called T1. TR5-1999, " Network and Customer Installation Interface Connector Wiring Configuration Catalog ", by reference to specify the wiring.

* The PIC-The Protection Interface Card-Allowed the T1 interfaces to be swapped

The American National Standards Institute ( ANSI ) Telecommunications Committee created the first standardized ADSL specifications. They were published as ANSI T1. 413-1995 and ANSI T1. 413-1998 ( sometimes called " issue 2 ") titled Network and Customer Installation Interfaces — Asymmetric Digital Subscriber Line ( ADSL ) Metallic Interface.

For example, if 50 % of a system's user base will be accessing the system via a 56K modem connection and the other half over a T1, then the load injectors ( computers that simulate real users ) should either inject load over the same mix of connections ( ideal ) or simulate the network latency of such connections, following the same user profile.

Under strict typing, a variable defined as < tt > TwoTypes </ tt > is not compatible with < tt > DualTypes </ tt > ( because they are not identical, even though the components of that user defined type are identical ) and an assignment of < tt > T1 := D2 ; </ tt > is illegal.

In addition to web and application tier processing, the UltraSPARC T1 may be well suited for smaller database applications which have a large user count.

In a lower-speed link, such as a 1. 544 Mbit / s T1 line, a 1500 byte packet would take up to 7. 8 milliseconds.

However, when T1 reads to A, it discovers two different versions of A, and T1 would be forced to abort, because T1 would not know what to do.

There seems to be a tradeoff with many other variables in a life cycle analysis, which would suggest that 7 stories ( around fifty dwelling units per hectare for optimum transport petroleum use ( Kenworthy )) is the optimum density in T1 urban areas, the city of Paris being an example ( Mehaffy ).

Other international airlines would continue to operate from T1.

An assignment of < tt > T1 := T2 ; </ tt > would be legal because the subtypes they are defined to are identical.

However, an assignment such as < tt > T1. Q := D1. Q ;</ tt > would be legal.

Using this concept, a T1 that would normally provide 768k of data and 12 voice lines can provide a full 1. 536 Mbit / s connection when no voice lines are in use.

Now imagine if the paddle in box T1 was in a much hotter environment than the gear in box T2 ; it would be expected that the kinetic energy of the gas molecules ( red circles ) hitting the paddle in T1 would be much higher than the gas molecules hitting the gear at T2.

A woman who has given birth at term once and has had one miscarriage at 12 weeks would be recorded as G2 T1 P0 A1 L1.

This allows C7 to contribute directly to increased neck length and has given rise to the suggestion that T1 is actually C8, and that giraffes have added an extra cervical vertebra.

Most LEDs were made in the very common 5 mm T1¾ and 3 mm T1 packages, but with rising power output, it has grown increasingly necessary to shed excess heat to maintain reliability, so more complex packages have been adapted for efficient heat dissipation.

A T1 span can have up to-130 Volts of DC power superimposed on the associated four wire cable pairs to line or " Span " power line repeaters, and T1 NIU's ( T1 Smartjacks ).

All T1 DS0 channels that employ in-band signaling will have its eighth bit over written, or " robbed " from the full 64 kbit / s DS0 payload, by either a logical ZERO or ONE bit to signify a circuit signaling state or condition.

* Point-to-Point Protocol, a data link protocol that is normally used to provide data link layer services on top of links that do not have built-in data link layer services like modem connections, T-carrier connections like T1 and T3 lines, E-carrier connections like E1 and E3 lines, and SONET and SDH connections like OC-3, STM-1, and higher bit rate optical connections

Though the radial nerve receives contributions from vertebrae levels C5, C6, C7, C8 and T1, studies have shown that the neurons that innervate the extensor carpi radialis longus arise from cervical vertebrae levels C6 and C7.

If a transaction T1 aborts, and a transaction T2 commits, but T2 relied on T1, we have an unrecoverable schedule.

It can be seen that if T1 aborts, T2 will have to

The terms T1 and DS1 have become synonymous and include a plethora of different services from voice to data to clear-channel pipes.

The figure entered into T1 is the total amount of VAT the business has received on the sales they have made.

The existing terminal building ( T1 ) was extended with a whole new upper level added to it and renovated completely, the floor that has been added on top of the existing departure lounge, added additional, four jetways have been installed as well so that passengers have easier access to the terminal and aircraft.

Some designs, such as Sun Microsystems ' UltraSPARC T1 have reverted back to simpler ( scalar, in-order ) designs in order to fit more processors on one piece of silicon.

The uterus will have a thickened junctional zone with diminished signal on both T1 and T2 weighted sequences due to susceptibility effects of iron deposition due to chronic microhemorrhage.

Klumpke's paralysis is a form of paralysis involving the muscles of the forearm and hand, resulting from a brachial plexus injury in which the eighth cervical ( C8 ) and first thoracic ( T1 ) nerves are injured either before or after they have joined to form the lower trunk.

The mechanism of resistance to the phage T1 appears to have been due to mutations in the fhuA gene-a membrane protein that acts as the T1 receptor.

Key examples, however, have been lost, such as the PRR T1 and the PRR J1.

Ultima have been keen to point out that this time is faster than those set by both the Ferrari FXX and the Caparo T1 ; of which neither were deemed to be acceptable road cars by the Top Gear presenters shortly after these times were set.

Once we have measured the voxel from six or more directions and corrected for attenuations due to T2 and T1 effects, we can use information from our calculated ellipsoid tensor to describe what is happening in the voxel.