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INSTALLATION-OK 16 KSU & PCB
SECTION 100-816-205
MARCH 1993
12 OPTION INTERFACE UNIT
(PIOU AND PIOUS)
12.00 General
12.01 The Option Interface Unit (PIOU or PIOUS)
provides a circuit interface with peripheral options.
A maximum of one PIOU or PIOUS PCB can be
installed in the system. The PIOU and PIOUS
support the same options, except the PIOUS does
not support Zone Paging (see Paragraph 12.11).
12.02 PIOU controls, indicators, and interface
connectors are shown in Figure 5-18 and de-
scribed in Table 5-F. PIOUS information is pro-
vided in Figure 5-19 and Table 5-G.
12.03 The internal 600 ohm or 3 watt page ampli-
fier of the PIOU is not supported by Strata DK16.
12.10 PIOU and PIOUS Hardware Options
12.11 The PIOU and PIOUS support the following
STRATA DK16 hardware options:
Internal Options
l
Remote Maintenance Modem Unit (IMDU)
External Options
l
Alarm Sensor
l
Local Maintenance Terminal or Modem
l
SMDR Printer or Call Accounting Port
l
Remote Maintenance Port
l
Relay control options
l
Zone Page via relays (PIOU only)
NOTE:
Refer to Peripheral Equipment Installation,
Section 100-816-207, for installation of exter-
nal options.
12.12 Remote Maintenance Modem Unit (IMDU)
Installation. Install the Remote Maintenance Mo-
dem Unit (IMDU) in accordance with the following
steps:
1) Removethe PCBfrom its protective packaging.
50-PIN AMPHENOL CONNECTOR (FEMALE)
SW2
r -I
. . . . . . . . .
P2 P3
BACKPLANE CONNECTOR
FIGURE 5-18
PIOU CONTROLS, INDICATORS, AND INTERFACE CONNECTORS
5-28