7405D Voice Terminal

 

 

NOMINAL MAXIMUM RANGE

SYSTEM

PORT BOARD

IN FEET (METERS) (SEE NOTE)

 

 

24 AWG

26 AWG

SYSTEM 85

SN270B

3,400 (1,034)

2,200 (671)

 

TN754

3,400 (1,034)

2,200 (671)

DEFINITY G2

SN270B

3,400 (1,034)

2,200 (671)

 

TN754

3,400 (1,034)

2,200 (671)

DEFINITY G1 & G3

TN754

3,400 (1,034)

2,200 (671)

SYSTEM 75

 

 

 

Note: These ranges can be extended to 5,000 feet (1524 m) for 24 AWG wire and 4,000 feet (1219 m) for 26 AWG wire with the use of a Data Link Protector (DLP). Refer to

EXPOSED PORT PROTECTION.

Power Requirements

The 7405D voice terminal receives power from the system and does not require any external power supply. Additional power is required when the 7405D voice terminal is equipped with any adjuncts. Refer to the ADJUNCT POWER section of this manual.

Power Failure Operation

The 7405D voice terminal cannot be used as an emergency station during power failure transfer conditions.

FCC Registration

The 7405D voice terminal is not FCC registered.

Hearing Aid Compatible

This voice terminal is compatible with the inductively coupled hearing aids prescribed by the FCC.

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AT&T System 85 manual 7405D voice terminal is not FCC registered