440A ISDN Terminating Resistor Adapter
The 440A4 ISDN Terminating Resistor Adapter is used
to balance the cable plant between the receiver
and transmitter on the ISDN T-interface. It can be located or placed in the
communications closet or at the work area. The configuration generally
determines the placement of the adapter. The 440A4 consists of a 1foot
(305mm) section of 4-pair cable connected to one end of a flame-retardant
housing. The cord is attached to the housing with the release tab of the
plug cut flush to the jack. Removal requires the use of a small tool such as
a screwdriver. The opposite opening of the housing is equipped with and 8
position modular jack.
Dimensions: W 0.75" (19mm) x L 1.00" (25mm) x D 3.50" (19 mm)
Plastic: High-impact, flame-retardant, UL rated 94V-0 thermoplastic
Jack Wires: 50 micro-inch lubricated hard gold plate over
100 micro-inch nickel underplate.
Quality Manufactured in the
"T" Type Adapters/"Piggyback" Configuration
"T" Type adapters containing one modular plug and two modular jacks.
Piggy back arrangement allows for insertion into adjacent jacks in
manifold-type jack arrangements.
TC 05436 000 267A2
TC-267A2: "Piggyback" adapter contains one 6
position 4- conductor modular plug and two 6 position 6 conductor jacks.
TC-267F2: "Piggyback" adapter contains one 6
position 4-conductor modular plug and one 6 position 2 conductor jack and
one 6 position 4 conductor jack. These adapter are used to connect two
telephones to a single modular jack and for connecting ancillary equipment.
TC-400B2: "Piggyback" adapter containing one 8 position 6 conductor
plug; one 8 position 8 conductor jack; and one 6 position 2 conductor jack.
It is used to provide auxiliary power to telephones.