Paradyne COMSPHERE 3611 - Manual (Page 8)

Product Introduction
1-3 3610-A2-GB48-50 September 1996
MCMP Capability
MCMP capability allows up to six independent
application programs to share one standard 56 kbps
multipoint facility. MCMP capability provides the
following features:
•
Channel capacity: Provides up to eight channels,
which can be matched to all enabled ports.
•
Three standalone versions: Model 3610 has three
MCMP models:
— DSD (digital sharing device)
— Flex
— Standard
•
Flex option: There are two versions of the
MCMP/Flex standalone model:
— 2-port MCMP/Flex
— 6-port MCMP/Flex
With either flex option installed, each port can be
set independently as either an EIA-232 or
V.35 interface.
•
Port capacity: Model 3610 provides:
— Up to six EIA-232 or V.35 ports with DSD or
Flex models
— An EIA-232 or V.35 Port 1 option and five
EIA-232 ports for the Standard model
Model 3611 uses the Standard model and a six-port
DTE connector module. The connector module
includes six 25-pin DTE connectors and a 26-pin
high-density connector for the V.35 alternate Port 1
option and up to five EIA-232 ports. Model 3611
does not have V.35 for Ports 2–6.
•
Digital sharing: Allows up to three digital-sharing
devices at each tributary by assigning channels to
more than one port. All ports operate at the same
speed and receive the same data.
MCMP capability allows digital sharing and
multiplexing simultaneously at any tributary site.
•
Number of addressable devices: Supports up to
40 tributary DSUs or 20 tributary DSUs with
DBMs, each equipped with an MCMP circuit card.
•
Channel speeds: Speeds of the individual channels
can be set to a variety of speeds. The sum of the
channel speeds cannot exceed 48 kbps.
•
Multipoint dial backup: Provides multipoint
service restoration. When Network Interface
configuration option is set to AggSw, the DSU
provides an internal aggregate data stream for
diagnostics and framing on alternate Port 1. The
alternate Port 1 can be connected to an extended
bridge.
NOTE
The V.34 DBM does not support
applications requiring Ext to
RXC DBM transmit clock source
configurations, including:
•
Multipoint backup
— Central-Site Bridge
— Extended Site Bridge
— FEP Backup Modes
•
Tail circuits
DSU with Digital Bridge
Capability
Digital bridging is used primarily for dedicated
multipoint dial backup. A digital data service (DDS)
multipoint network can be backed up with:
•
V.32 analog DBM
•
Switched 56 kbps calls between the central-site and
remote-site DBMs that are connected by the digital
bridge
•
ISDN (Integrated Services Digital Network)
The digital bridge capability is dedicated to a single
DSU. The DTE connected to the DSU is usually the
controlling DTE of a multipoint network. Configure either
the TDM or MCMP option to provide the digital bridge
capability.
The digital bridge capability, when used to support
dedicated multipoint dial backup, includes the following
features:
•
Number of tributaries: Provides dedicated
multipoint dial backup for up to 20 tributary DSUs.
Four additional DSUs with TDMs are required for
each configured extended bridge (EBrdg).