Toshiba STRATA DK24 Manual page 111

INSTALLATION-CONFIGURATION
SECTION 200-096-204
FEBRUARY 1991
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CONFIGURATION GUIDE, WORKSHEET 6 (Continued)
HESG65A (refer to Table 4-F):
.
One HESC-65A modular connecting cable is required to connect the HESB to the HHEU in each digital
telephone requiring the loud ringing bell option. The HESC-65A can also be used to connect HHEU-
equipped 6500-series electronic telephones to HESBs for the loud ringing bell option.
Actual HESC-65A
HESC-65 Cable (refer to Table 4-F):
One HESC-65 modular connecting cable is required to connect the HESB to the HHEU in each
electronic telephone requiring the loud ringing bell option.
Actual HESC-65:
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 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).
PBTC-3M Cable:
pizziGl
One PBTC-3M cable is required for each system that requires battery backup (batteries are customer-
supplied).
piiEziq
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).
p7E-l
DPFT Unit:
The DPFT provides a means to connect eight selected CO lines to standard telephones in the event
of a power failure.
p-j
MDFB:
The MDFB door phone unit plugs into the HDCB control box to provide a door phone. Three MDFBs
can be connected to each HDCB. The MDFB may also be connected to the HESB amplifier/speaker
to provide page talkback.
PDIU-DI (refer to Table 4-B):
piq
,
Digital telephones must be equipped with a PDIU-DI to transmit and receive voice and data.
Actual PDIU-Dls
4-16