Toshiba Strata DK 280 Installation Manual page 63

Worksheet 3 -
N. DPFT Unit:
The DPFT provides a means to connect eight selected CO lines to standard telephones in the event of a
power failure (each DPFT requires an RSTU or PSTU PCB). There is no limit to the number of DPFTs
installed, provided that the system power factor is not exceeded.
0. MDFB (Door Phone):
The MDFB plugs into the DDCB or HDCB control box to provide a door phone. Three MDFBs can be
connected to each DDCB or HDCB. The MDFB may also be connected to the HESB amplifier/speaker to
provide page talkback.
P. RPCI-DI:
Digital telephones must be equipped with a RPCI-DI to transmit and receive voice and data calls and/or
interface with an Application Program Interface (API) personal computer.
Q. RBDB (refer to Table 1-7):
RBDB Battery Box: Required when connecting reserve power batteries to three or more cabinets (wall or
floor mount-see Chapter 3-Cabinet Installation, Figure 3-23
R. RCCB (refer to Table 1-7):
RCCB conduit box is required for floor mount installations of three or more cabinets (see Chapter 3-Cabinet
Installation, Figure 3-21 and 3-22).
S. RFlF (refer to Table 1-7):
RFlF floor mount kit is required when floor mounting any number of cabinets (see Chapter 3-Cabinet
Installation, Section 3.5).
T. RPSBl/RPSB2 (refer to Table 1-7):
RPSB power strips may be required if installing two or more cabinets (see Chapter 3-Cabinet Installation,
Figure 3-20).
January 1996
Configuration Guide (continued)
for 2000-series
DKTS
-
3-26)
1-51