Table 1-4
Subassemblies for Cabinet Circuit
Boards
SUBASSEMBLY
HOST PCB
CAPACITY
FUNCTION
Provides Dual-tone Multi-frequency
(DTMF) receiver for DISA, DTMF
standard telephone circuits,
DID
and
Tie lines, and built-in Auto Attendant
and remote change of Call-Forward-
External destination.
RRCS -
or 12
RCTUA,
RCTUBNBB
or
With:
RCTUA 12 circuits max.
12 circuits
24 circuits max.
max.
RSTS
RDSU
1 maximum per RDSU.
Provides two additional standard
telephone circuits.
Provides loop voltage of 48V instead
of 24V to extend standard telephone
circuit loop length 600 to 1200 ohms.
Required for OPS operation with
class circuits.
or RDSU
1 maximum per
or RDSU.
1 maximum per RCOU.
RCOS
RCOU
Provides four additional Loop Start
CO lines.
Provides an additional 4 caller ID
circuits: to be used in conjunction with
PCOU, and RGLU CO
line
to provide Caller ID to the
system.
RClU
1
maximum per
RKYS
2, 3,
or
4)
RCTUA,
or
RCUTA
supports
(AA) only.
1 maximum per RCTU
Provides system with the following
feature upgrades:
for built-in Auto Attendant
for AA feature plus
Automatic Call Distribution (ACD).
for AA and ACD features
plus Management Information
System (MIS) application for ACD.
Architecture* and all
features.
for System Open
or PIOUS
1
per
Provides remote maintenance 300
or 1200
full-duplex modem
for
or
Provides up
to
4 interface ports
232 and modem) for system interface
with:
RMDS (1200 or 2400 bps)
Voice Mail
System Open Architecture*
SMDR
Local or Remote Maintenance for
or
PC.
RMDS
Up to
3
or
1 RMDS and 2
per
EOCU
PEKU or PESU
for PEKU or PESU that supports
Speaker OCA.
Provides Speaker
OCA
path for 8
circuits on PEKU or 4 circuits on
PESU.
(Handset OCA is not available
on
*System Open Architecture
is
available with
Release 3.2.
January
1996
1-9
Summary of Contents for Strata AirLink DK280
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