Rcou Controls, Indicators, And Interface Connectors; Peku Programming Overview - Toshiba Strata DK 280 Installation Manual

4.8.3 PESU Wiring
Refer to Chapter 7-Wiring Diagrams for PESU
PESU Programming Overview
4.8.4
Enter Code 25 in Program
PESU or Code 26 for a PESU supporting Off-hook
Call Announce. To program the PESU standard
telephone ports, see Subsection
PSTU Programming Overview). To program the
electronic telephone ports, see Subsection

(PEKU Programming Overview).

Note:
If there are no P E W options, Program 03 can
be skipped, and Program 91 can be run
instead,
Four-Circuit loop Start CO line
4.9
The standard RCOU PCB provides circuits for four
Loop Start CO lines.
An
on the RCOU for four more loop start lines (for a total
of eight lines-the RCOS circuits provide the same
options as the RCOU). The RCOU also provides ring
detection, dial outpulsing, and hold circuitry. Each
r
RCOS
CONNECTORS
Figure 4-23

RCOU Controls, Indicators, and Interface Connectors

4-32
for a non-optioned
03
(RSTU and
4.5.4
PESU
4.4.4
RCOS PCB can be installed
CO
LINE MODULAR
JACK CIRCUITS
3 AND 4
RCOU line can be programmed for DTMF or dial pulse
signaling. Each RCOU/RCOS circuit has gas tube
secondary protection.
RCOU controls, indicators, and interface connectors
are shown in Figure 4-23 and described in Table
RCOS controls, indicators, and interface
4-1 6.
connectors are shown in Figure
Table 4-1 7.
4.9.1 RCOU Hardware
The RCOU supports the following hardware options.
Internal Option
RCOS
Install the RCOS PCB in accordance with the following
procedure:
Remove the RCOS and the RCOU from their
protective packages.
BACKPLANE CONNECTOR
CO LINE MODULAR
JACK CIRCUITS
1 AND2
and described in
4-24
Options
-
RCOS
CONNECTORS
January 1996