Toshiba Strata DK 280 Installation Manual page 31

Worksheet
PESU can be used when four or less electronic or two or less standard ports are needed.
c4.5
General Note:
PESU provides two standard telephone ports (circuits) and four electronic telephone circuits
(ports). Circuit 5 (when associated with Ports 004, 012, 020, and 028) can only interface with
an HDC5 (see Table 1-6).
Total Station PCBs
1
C4T = Total Station PCB Slots =
Determine CO Line PCB / Slot Requirements
C5.1 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) =
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
C5.2
Total ground start lines (with or without caller ID) needed:
A's requirements)
C5.2 = Total Loop Start Lines A
General Note:
January 1996
-
I
System P C B (Slot) Requirements (continued)
Total PESU PCB (Slots) =
PDKU
RSTU
RDSU
PEKU
PSTU
PESU
6
(from C4.1)
I
(from C4.2)
0
3
(from C4.4) Existing
(from C4.2)
(from C4.5)
Loop Start Lines
8
Loop Start Lines
4
I
+
+
Ground Start Lines
B =
4
-
(from Company A s
8
-
-
4
0
(from Company
0
- - -
- 0
4
PCOU
(existing)
1-19