Instruction manual
Universal Slot PCBs
Summary of PCBs and Subassemblies
46 Strata DK General Description 6/00
RCIU2
4 circuits
With RCIS: 8 circuits
Loop or Ground Start Lines with
Caller ID. Requires: RCOU,
RGLU2 or PCOU
RJ14C modular
attaches to
RCIU2
RCIS
Used with RCOU/RCOS, PCOU,
and RGLU2 CO line PCBs to
provide 4 Caller ID circuits.
1 RCIS subassembly per RCIU2
RDDU 4 DID circuits DID Lines RJ14C modular
RGLU2 4 line circuits Loop or ground start lines RJ14C modular
PIOU,
PIOUS,
PEPU,
RSSU
A PIOU or PIOUS can use an
IMDU
ACD/SMIS (DK40i and DK424i)
SMDI for Voice Mail
SMDR printer or call accounting
machine
PC or maintenance terminal (local
or remote)
25-pair amphenol (PIOU
or PEPU)
Spring clip terminal
(PIOUS)
Two 3-pair modular (TTY/
SMDR/SMDI/SMIS)
(All PCB amphenol
connectors are female)
attaches to
PIOU and
PIOUS
IMDU
Provides remote maintenance 300
bps or 1200 bps full-duplex modem
for DKi Admin or DKi Backup. 1 per
PIOU/PIOUS.
None
RSTU2
8 standard telephone circuits
Standard telephones
Voice mail ports
Off-premises stations
Other similar devices
Alternate BGM source
Auto Attendant digital announcer
Message Waiting lamp (RSTU2
only)
Fax machines
ACD Announcer
Strata Airlink wireless telephones
25-pair amphenol
(All PCB amphenol
connectors are female)
attaches to
RSTU2 and
RDSU
R48S
48VDC circuit for up to 8 standard
telephone circuits
Optionally interfaces to the RSTU2
and RDSU to extend loop length of
standard telephones from 600
ohms to 1200 ohms.
None
RDSU
Without RSTS:
2 standard telephone/
4 digital telephone circuits
With RSTS:
4 standard telephone/
4 digital telephone circuits
Digital: same as PDKU, except no
DDSS console
Standard: same as RSTU
(standard Message Waiting not
available)
25-pair amphenol
attaches to
RSTU2 and
RDSU
RSTS
Provides two additional standard
telephone circuits
1 maximum per RDSU None
PESU
2 standard telephone circuits/
4 electronic telephone circuits
(standard/electronic telephone
ports)
Standard: same as KSTU2
Electronic: same as PEKU, except
PESU does not support HDSS
console
25-pair amphenol
RATU
(DK424i only)
4 PC Attendant PC Console
circuits
PC Attendant Console
Conventional Attendant Console
25-pair amphenol
Table 28 PCB Circuits, Interface Options and Connectors (continued)
PCB Subassembly Circuits Interface Options Connector










