Paradyne 3610 Application Manual page 215

Data service units time division multiplexer, multichannel multipoint, and digital bridge options
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Set the extended bridge configuration options as
follows (Configuration Worksheet for Bridge Mode):
MUX – Setup
MUX Funct: EBrdg
Bridge Rate: 9.6
Brdg Timing: Prt1
Share DevA: Enab
Lowest Port#: 2
# Ports in Gp: 3
Port Cntrl: Host
Share DevB: Disab
Prt2 through Prt4 (Prt5 and Prt6 N/A)
RTS Cntrl: DTE
Elast Stor: Enab
RTS/CTS Del: 0
DTR Alarm: Disab
DSU
Rate(Kbps): 9.6
TxClkSource: DDS
Msg Clamp: Enab
TxElastStor: Disab
AggrSwitch: Disab
Diag – DSU
Diag Type: Disr
Disr Type: 3600e
Diag – Gen
Position: Cntrl
LinkConfig: M-Pt
Gen
DTE Port: EIA232
3610-A2-GB41-70
Network Management-Controlled
Full Backup Using an Extended Bridge
The assumed configuration for backup
shows when dial backup is not active, while
shows when dial backup is active) that is controlled by an
NMS, using an extended bridge, is as follows:
Network is a 7-drop DDS multipoint network
operating at 56 kbps.
Full backup of all tributaries (with the digital bridge
operating at 14.4 kbps) is required with outage of
any tributary.
The control and tributary DSUs are configured for
nondisruptive diagnostics with a 400 bps in-band
secondary channel transport speed.
Seven central-site DBM-Vs are dedicated to the
control DSU and are connected to its digital bridge.
Tributary DBMs are configured for 14.4 kbps
operation, LSD emulation ( V.13 switched-carrier
operation), no fallback, and auto-answer with
password security.
Central-site DBM-Vs are configured for 14.4 kbps
operation, no fallback, and outgoing call setup with
password security.
Digital bridge consists of a central-site bridge and
an extended bridge working in tandem; the
central-site bridge has Bridge Rate set to 14.4 kbps,
has Ports 2 through 6 active and configured for
contention, and takes its timing from the DDS
system clock; the extended bridge has Bridge Rate
set to 14.4 kbps, has Ports 2 through 4 active and
configured for contention, and takes its timing from
the external timing on Prt1.
The FEP can accept a change in speed from 56 kbps
to 14.4 kbps.
When a failure occurs in the backbone DDS
network, all of the drops are affected. The control
DSU reports a Facility Alarm and a Tributary
Time-out alarm for each tributary DSU and DBM.
You have either a System Controller, or a
COMSPHERE 6700 or 6800 Series NMS
workstation.
July 1999
Configuration Scenarios
(Figure D-10
Figure D-11
D-19

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