Toshiba Strata CTX100 General Description Manual page 34

Universal Slot PCBs
Station, Line and Option PCBs
Table 15 CO Line PCBs (continued)
ISDN Primary Rate Interface Unit (RPTU2)
Provides (1~8B + D), (1~16B + D), or (1~23B + D)
channels (lines), depends on system programming.
RPTU2 is required for QSIG Networking.
Loop Start CO Line Interface Unit (RCOU)
Provides four CO analog loop start line circuits.
With RCOS, provides eight CO analog loop start line
circuits.
Loop Start CO Line Interface Subassembly (RCOS)
Provides four additional Loop Start CO lines. One
RCOS subassembly per RCOU.
T1/DS-1 Interface Unit (RDTU2)
Provides T1 (DS1) Interface: 1~8, 1~16, or 1~24
channels (lines), depends on system programming.
Remote Expansion Cabinet Unit (RRCU)
Supports two CTX670 remote cabinets. 62.5 m , multi-
mode fiber.
Tie Line Unit (REMU2)
Provides four analog Tie line circuits.
Table 16 Option PCBs
Option Interface Unit (BIOU)
20
Interface Options:
ISDN PRI
POTS
FX
Tie (senderized)
Tie (cut through)
OUTWATS (intra-LATA)
OUTWATS (inter-LATA)
InWATS
QSIG
Interface Options:
CO analog loop start lines
Same as RCOU.
Interface Options:
T1
Loop start lines
Ground start lines
Tie lines (wink or immediate)
DID/DOD lines (wink or immediate)
Remote cabinet not supported by main system reserve
power.
Interface Options:
E&M Tie lines
Two- or four-wire transmission
Type I signaling
Type II signaling
Immediate start
Wink start
Interface Options:
Provides Paging output (600 ohm and three-watt amp),
four zone paging relays, three MOH interfaces and four
control relays (Night Transfer and BGM mute).
Strata CTX General Description 11/02