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4-12
INSTALLATION-CONFIGURATION
SECTION 400-096-204
SEPTEMBER 1992
Subassembly
PCB
Main PCB (Mount)
Capacity
Function
EOCU
1
CRCU (4 or 8
circuits)
IMDU
HHEU
3
DVSU
HVSU2
or
HVSU/HVSI
3
PEKU or PESU
PCTU (1, 2, 3, or 4) or
PCTUS1
PIOU and PIOUS
Digital telephone and
6500-series electronic
telephone
Digital telephone
6500-series electronic
telephone
One for each PEKU or
PESU that supports OCA
One per PCTU or
PCTUS1/system
One per PIOU or PIOUS/
system
One per electronic or
digital telephone
One per digital
telephone
One per electronic
telephone
Provides Off-hook Call
Announce path for all
electronic telephone
circuits of main PCB
Provides DTMF receiver for
DISA, standard telephone/VM
circuits and TIE lines
Remote maintenance
interface with built-in modem
Interface for headset and
Loud Ringing Bell
2
Interface for digital
telephone to receive
Off-hook Call Announce
Interface for electronic
telephone to receive
Off-hook Call Announce
NOTES:
1. An EOCU (OCA) will not function in slots 11 ~ 14 on DK96 or slots 05 ~ 06 on DK24 with PCTUS1.
2. For digital telephones, an HESC-65A cable is required to connect the HHEU to an HESB for the Loud Ringing Bell feature.
An HESC-65A or HESC-65 is required for electronic telephones.
3. The combined HVSU and HVSI subassemblies provide the same function as the HVSU2.
TABLE 4-F
OPTIONAL SUBASSEMBLY PCB CONFIGURATION
Summary of Contents for Strata DK 24
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Page 12: ...INSTALLATION SYSTEM DESCRIPTION SECTION 400 096 202 SEPTEMBER 1992 ...
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Page 144: ...INSTALLATION TELEPHONE SECTION 400 096 207 SEPTEMBER 1992 ...
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Page 166: ...INSTALLATION PERIPHERALS SECTION 400 096 208 SEPTEMBER 1992 ...
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Page 238: ...INSTALLATION WIRING DIAGRAMS SECTION 400 096 209 SEPTEMBER 1992 ...
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Page 302: ...REMOTE ADMINISTRATION MAINTENANCE PROCEDURES SECTION 400 096 600 SEPTEMBER 1992 ...
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