Toshiba DK 16, DK8 manual Station Loop Requirements

INSTALLATION-WIRING DIAGRAMS

SECTION 100-816-208

MARCH 1993

TABLE 8-B

STATION LOOP REQUIREMENTS

Device Description	Max Loop Resistance	Max Distance from	Number of
	(Including Device)	KSU to Device	Wire Pairs 1
Electronic4 telephone	40 ohms	1000 ft. (303 m)	2-pair. EKTs which
			receive OCA calls
HDSS console	20 ohms	500 ft. (152 m)	need 3-pair.
Standard telephones,		Approx. 3000 ft. (909 m)
	300 ohms	with 150 ohm device. See
voice mail,			1-pair
		manufacturer's product
auto attendant, etc.
		specifications for exact
		resistance of device.
Digital telephone			1-pair4
or	40 ohms	1000 ft. (303 m)
DDCB3
DDSS console	40 ohms	1000 ft. (303 m)	1-pair4
PDIU-DI	40 ohms	1000 ft. (303 m)	Shares digital
PDIU-DI2			telephone wire-pair.4
PDIU-DS	40 ohms	1000 ft. (303 m)	1-pair 4
ADM	40 ohms	1000 ft. (303 m)	Shares digital
			telephone wire-pair.4

NOTES:

1.Use 24 AWG twisted pairs.

2.PESU circuits 3 and 4 are not used.

3.DDCB can connect only to Circuit 5 of the DK16 Base Unit or Circuit 1 of the PDKU or KCDU.

4.Two-pair, larger wire, or local telephone power supply is required to achieve maximum range, see Table 8-D.

8-2