Toshiba Strata DK 280 Installation Manual page 52

-
Worksheet
C4.5 PESU can be used when four or
General Note:
PESU provides two standard telephone ports (circuits) and four electronic telephone circuits
(ports). Circuit
an HDCB (see Table
Total Station PCBs / Slots:
C4T = Total Station PCB Slots
Determine CO Line PCB / Slot Requirements
Determine Analog Loop Start Line PCB /Slot Requirements
Total loop start lines (with or without caller ID) needed:
requirements, eight exist already)
A = Total RCOU / RCOS PCB (Slots) = Loop Start Lines
B
=
C5.1 Total Loop Start Llne slots ( A
General Notes:
RCOU provides four loop start CO lines in its basic configuration. An RCOS can be attached to
the RCOU to add four more loop start CO lines for a total of eight per slot.
The PCOUl and the PCOU2 are identical in fit, form, and function for the U.S. market.
Determine Analog Ground Start Line PCB / Slot Requirements
Total ground start lines (with or without caller ID) needed:
A's requirements)
C5.2 Total Loop Start Lines A
General Note:
RGLU provides four CO lines that can be individually configured as loop start or ground start.
1-40
System P C B (Slot) Requirements (continued)
less
electronic or two or less standard ports are needed.
Total PESU PCB (Slots)
5 (when associated with Ports 004,
1-6).
PDKU
RSTU
RDSU
PEKU
PSTU
PESU
=
+
Ground Start Lines
+
B =
=
012, 020, and 028) can only interface with
(from C4.1)
(from C4.2)
(RSTS ) from C4.3
(from C4.4) Existing
(from C4.2)
(from C4.5)
8
Loop Start Lines
=
4
+
B)
4
4
(from Company A s
8
-
PCOU
4 (existing)
(from Company
January
1996