Paradyne Compshere 3000 Series Installation Manual page 100

COMSPHERE 3000 Series Carrier
SDCP
SDU
Service Line
SGRD signal ground
6-port connector module
slot
speaker panel
switched 56 kbps
digital service
System Controller
tail circuit
TDM
tributary
T1
U-Interface
UL
USOC
Vac
VT-100
V.35
Glossary-8
Shared Diagnostic Control Panel. A feature that allows carrier-mounted devices to share the
same diagnostic control panel. Installed into one COMSPHERE 3000 Series Carrier, it
controls and monitors the devices in all the carriers in the cabinet. A single SDCP can
control up to 8 carriers, with a total of 128 devices.
Shared Diagnostic Unit. A circuit card installed in Slot 0 of the COMSPHERE 3000 Series
Carrier that provides an interface between an optional SDCP and/or network management
system and the devices in the carrier.
An additional capability for DDD NIMs. This feature permits an extra dial line to be
connected to a COMSPHERE 3000 Series Carrier. It can be used for NIMs or as a backup
line when the primary line goes down.
Signal ground. Pin 7 of an EIA RS-232 interface.
See connector module.
The carrier contains seventeen slots for circuit card installation.
An optional component that can be installed on the carrier to provide audio monitoring of
any dial/lease modem.
A service provided by Local Exchange and InterExchange Carriers (LECs and IECs) that
allow customers to use high-speed switched digital data capability without having to
subscribe to private network services.
A DATAPHONE II NMS that uses the DATAPHONE II protocol.
See extended network.
Time Division Multiplexer. A device that enables the simultaneous transmission of multiple
independent data streams into a single high-speed data stream by simultaneously sampling
the independent data streams and combining these samples to form the high-speed stream.
A device that receives commands from other devices in the network.
A term for a digital carrier facility used to transmit a DS1 formatted digital signal at
1.544 Mbps.
Marks the demarcation line between the customer-provided equipment and the local
telephone company. Interface provides basic rate access.
Underwriters Laboratories, Inc. An organization which promotes product safety.
Universal Service Ordering Codes. Generic telephone company service ordering codes.
Volts alternating current.
Terminal emulation mode used for asynchronous communications.
A CCITT standard for a high-speed, 34-position, DCE/DTE interface.
July 1999 3000-A2-GA31-D0