AT&T System 85 manual 337

2500 YMGK Telephone

Distance Limitations

The maximum allowable distances of a 2500 YMGK telephone from the DEFINITY G1, G2, G3, System 75, or System 85 cabinet are shown in the table below.

		NOMINAL MAXIMUM RANGE
SYSTEM	PORT BOARD		IN FEET (METERS)
		24 AWG		26 AWG
SYSTEM 85	SN229	3,500	(1,067)	3,500	(1,067)
	SN228B	15,000	(4,572)	9,000	(2,743)
DEFINITY G2	SN229	3,500	(1,067)	3,500	(1,067)
	SN228B	15,000	(4,572)	9,000	(2,743)
	TN742	20,000	(6,100)	13,000	(3,962)
	TN746	3,100 (945)		2,000 (610)
DEFINITY G1 & G3	TN742	20,000	(6,100)	13,000	(3,962)
SYSTEM 75	TN769	20,000	(6,100)	13,000	(3,962)
	TN746	3,100 (945)		2,000 (610)

Power Requirements

The 2500 YMGK telephone is powered by the tip and ring leads. It does not require any external power supply.

Power Failure Operation

The 2500 YMGK telephone can be used as an emergency station during power failure transfer conditions.

FCC Registration

The 2500 YMGK telephone FCC registration number is AS593M-17899-TE-T.

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