Configuration Guide, Worksheet 6 - Toshiba Strata DK24 Installation And Maintenance Manual

CONFIGURATION GUIDE, WORKSHEET 6 (Continued)
N. HESC-65A (refer to Table 4-F):
One HESC-65A modular connecting cable is required to connect the HESB to the HHEU in each digital
telephone and 6500-series electronic telephone requiring the Loud Ringing Bell option.
O. HESB Amplifier/Speaker (refer to Table 4-E):
1. One HESB is required for each digital and electronic telephone providing the Loud Ringing Bell option.
2. One HESB is optional to provide single-zone external page connected to either a PIOU, PIOUS, or PEPU
(customer-supplied amplifiers/speakers may be used in place of the HESB).
3. One HESB is optional to provide a talkback amplifier/page speaker connected to a PIOU, PIOUS, or
PEPU (a customer-supplied talkback amplifier/page speaker may be used in place of HESB).
P. PBTC-3M Cable:
One PBTC-3M cable is required for each system that requires battery backup (batteries are customer-
supplied).
Q. PPTC Adaptor (Modular to RS-232):
A PPTC is required (one each) to connect a printer or call accounting device to the PIOU or PIOUS SMDR
port; or to connect a modem or ASCII terminal to the PIOU or PIOUS maintenance port (TTY).
R. DPFT Unit:
The DPFT provides a means to connect eight selected CO lines to standard telephones in the event of a
power failure.
S. MDFB:
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.
T. PDIU-DI (refer to Table 4-B):
Digital telephones must be equipped with a PDIU-DI to transmit and receive voice and data calls.
Actual HESC-65As
Actual HESBs
PBTC-3M
PPTC
DPFT
Actual MDFBs
Actual PDIU-DIs
Actual PDIU-DI2s
4-21
INSTALLATION-CONFIGURATION
SECTION 400-096-204
SEPTEMBER 1992
for 1000-series DKTS
for 2000-series DKTS