Appendix A —Wiring

Requirements

Note the following cabling requirements before 104386545). In addition, you will need a
connecting the equipment. If these limits (which Building Entrance Protector, which can
are the same ones that apply to our current house up to six 4C1S Block Protectors.
SPIRIT System) are exceeded, the SPIRIT Order Model 110ANA1-06 (comcode
Attendant ConnecT/R may not work properly. 105736482). Contact your AT&T representa-
tive for additional information.
The total wire length from the controller to
the SPIRIT Attendant cannot exceed a total
of 1000 feet of 24- gauge DIW (twisted-pair
copper) wire or 22-gauge D station wire,
plus 25 feet of 4-wire line cord.
If the SPIRIT Attendant ConnecT/R is
installed outside the building where the
controller is located, using exposed wiring
In-Range/Out-of-Building protectors (IROB
TII Model 371 or ITW Model SP69073, AT&T
order number 31304) must be installed by a
qualified technician. Contact your AT&T
representative for additional information.
If the SPIRIT Attendant will be in a building
other than where the SPIRIT Attendant
ConnecT/R is located, a Block Protector
must be installed by a qualified technician.
Order an AT&T Model 4ClS (comcode
9