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DEFINITYEnterpriseCommunicationsServerandSystem75andSystem85
Terminals and Adjuncts Reference
555-015-201
Issue 11
December 1999
The 6400 Series Telephones
7-48The 6424D+ and 6424D+M Telephone
7
is acceptable to have a D2R cord connected from the wall jack to the LINE jack
found on the power supply.
For 2-wire operation, if you need to plug the telephone into a 4-pin or 6-pin wall
jack, instead of a standard 8-pin modular jack, refer to the “Line Interface” table
above to insure that the wires from the 4-pin or 6-pin wall jack are connected to
the correct pins on the telephone “LINE” jack.
The 6400 Series telephones can be connected to either a RJ45x or an RJ11C
station jack. If connected to an RJ11C, a 2-wire/4-wire Line Adapter must be
installed. This adapter is available to accommodate situations where customers
need to upgrade from an analog type RJ11C jack to an 8-wire RJ45x type jack.
This adapter only works when using a 6400 Series telephone on either the 2-wire
16-port (TN2181) or the 24-port (TN2224) digital line circuit card.
In 2-wire installations using an RJ45x station jack, PBX connections must be on
pins 4 and 5 and auxiliary power must be connected to pins 7 and 8. In 2-wire
installations using an RJ11C station jack, PBX connections must be on pins 3 and
4 and auxiliary power must be connected on pins 2 and 5.
REMOVE ALL CONNECTIONS BETWEEN PAIRS BEFORE CONNECTING THE
TELEPHONE.
Appropriate Circuit Packs and Distance
Limitations
The 6400 Series telephones can only be connected in a 2-wire mode behind the
TN2181 and the TN2224 digital circuit packs.
In 2-wire operation, the telephone must be within 5,500 feet of the PBX using
22-gauge wire, within 3,500 feet of the PBX using 24-gauge wire, and within 2,200
feet of the PBX using 26-gauge wire.
Power Requirements
The regular (non-modular) 6424D+ telephone receives power from the system
and does not require any external power supply. However, if the 6424D+ is
connected to an XM24 Expansion Module or if you are using a Modular 6424D+M,
there MUST be auxiliary power in the form of a local power supply such as an
1151A1 or an 1151A2 with Battery Holdover, or a bulk power supply such as an
1145A or 1145B1.
Administration
The 6424D+ and 6424D+M telephones can be administered as themselves on a
DEFINITY system starting with Release 6.1 software. This telephone will NOT
work with any DEFINITY switch release prior to Release 6.1.