Toshiba DK 16, DK8 manual Door Phone Ddcb Installation, Ddcb and Mdfb Cabling

INSTALLATION-STATION APPARATUS

SECTION 100-816-206

MARCH 1993

NOTE:

DK8 and DK16 do not support the HDCB.

6.02DK8 and DK16 systems can be equipped with up to six MDFBs.

6.03For DK8, DDCBs can only connect to Circuit 3 (Port 02) and Circuit 4 (Port 03).

6.04For DK16, DDCBs can only connect to Ports 04 and 12. DDCBs can only connect to Circuit 5 (Port 04) of the Base Unit and/or Circuit 1 (Port 12) of a PDKU or KCDU in the Expansion Unit.

NOTE:

DDCBs cannot connect to the QSTU, KSTU, PSTU, PESU or PEKU.

6.10DDCB and MDFB Cabling

6.11Refer to Section 100-816-208for DDCB and MDFB wiring/interconnecting details. For door lock control installation procedures, refer to Section 100-816-208. The length of the cable run from the key service unit (KSU) to the MDFB (via the DDCB) must not exceed 1,000 feet (305 meters), if using 24 AWG cable (see Table 8-D).

NOTES:

1.DDCB cable runs must not have the fol- lowing:

•Cable splits (single or double)

•Cable bridges (of any length)

•High resistance or faulty cable splices

2.See Section 100-816-208for secondary protector information.

6.20DDCB Wall Mounting

6.21The DDCB is designed to be mounted on a wall or other vertical surface. Mount the units in accordance with the following steps:

1)Locate the two mounting holes on the right- hand side on the DDCB (Figure 6-16).

2)Remove the side cover from the DDCB to expose the two left-hand mounting holes (Fig- ure 6-16).

3)Position the DDCB adjacent to the key ser- vice unit (KSU) with regard to wiring needs.

EXTERNAL POWER STRAPS
(DDCB ONLY)
	KSU
		MOUNTING
DOOR	A	SCREWS (4)
PHONE	B
	C
NOTE
See Table 8-Dregarding external power requirements.

FIGURE 6-16

DOOR PHONE (DDCB) INSTALLATION

4)Secure the DDCB to the mounting surface with four one-inch panhead wood screws.

6.30Door Phone (MDFB) Wall Mounting

6.31Mount door phones (MDFBs) to a wall or vertical surface in accordance with the following steps:

1)Remove the screw from the bottom of the cover. Detach the cover from the base and metal frame (Figure 6-17).

2)Position the metal frame and base to the mounting surface and secure with two one- inch panhead wood screws (Figure 6-17).

3)Attach cover to the metal frame and base and secure with the screw which was removed in Step 1.

6.32Door Phone Volume Control. Adjust the ring and voice volume to the MDFB in accordance with the following procedure:

1) Remove the screw from the bottom of the MDFB cover. Detach the cover from the base and metal frame (Figure 6-17).

6-16