Panasonic Strata Se General Description Manual page 12

STRATA Se/We
GENERAL DESCRIPTION
NOVEMBER 1987
Key Ser
I Batten/ I
External Speaker
(HESB)
External
Music
Source
Standard Phone
ice Unit
Standard Phone
Door Phone
20-button LCD
Electronic
Telephone
-CO/PBX
Lines ___t
f IGURE 15-SYSTEM DIAGRAM
06 SYSTEM CONFIGURATION
/
Key
Service Unit
Complete with all available options, both
key service units utilize up to eight printed cir-
cuit boards internally (as shown in Figures 17
The STRATA Se key service unit arrange-
ment illustrated in Figure 17 shows the loca-
tions of the various printed circuit boards and
optional equipment.
The STRATA We key service unit arrange-
ment illustrated in Figure 18 shows the loca-
tions of the various printed circuit boards and
optional equipment.
NOTE.
The optional modules are used only when
required. All internal boards connect to the
main PC8 (in some cases, they also attach
to the key service unit's side panel).
-1 o-
and 18) and various option modules. The names
and functions are as follows:
SMAU/VMAU:
The main printed circuit board
of the key service unit consists of the follow-
ing three functions:
a)
Station Interface:
An interface between
the key service unit and up to four stations
(STRATA Se) or up to eight stations
(STRATA Vle), which includes the solid-
state, space-division matrix used for voice
connections between the stations and the
CO/PBX lines. Two-pair wiring is required
for each station; one pair carrying voice
and the other pair carrying control data to