Configuration Scenarios
D-19
3610-A2-GB41-70
July 1999
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
Network Management-Controlled
Full Backup Using an Extended Bridge
The assumed configuration for backup (
Figure D-10
shows when dial backup is not active, while
Figure D-11
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.
Содержание COMSPHERE 3610
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Страница 47: ...Model 3611 Installation 3 9 3610 A2 GB41 70 July 1999 Figure 3 3 Non Modular TDM or MCMP Installation...
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Страница 64: ...COMSPHERE 3600 Series Data Service Units 4 12 July 1999 3610 A2 GB41 70 Figure 4 8 Digital Sharing...
Страница 67: ...Principles of Operation 4 15 3610 A2 GB41 70 July 1999 Figure 4 10 FEP Port Sharing...
Страница 91: ...Principles of Operation 4 39 3610 A2 GB41 70 July 1999 Figure 4 31 Multipoint DDS Circuit in Partial Backup...
Страница 93: ...Principles of Operation 4 41 3610 A2 GB41 70 July 1999 Figure 4 33 Tributary Addressing via Backup Connections...
Страница 102: ...COMSPHERE 3600 Series Data Service Units 4 50 July 1999 3610 A2 GB41 70 Figure 4 38 Bridged LADS Operation...
Страница 111: ...Principles of Operation 4 59 3610 A2 GB41 70 July 1999 Figure 4 47 Digital Sharing in a Multipoint Circuit...
Страница 113: ...Principles of Operation 4 61 3610 A2 GB41 70 July 1999 Figure 4 49 Digital Sharing in an MCMP Circuit LPDA 2 Monitoring...
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Страница 149: ...DSU Operations 5 35 3610 A2 GB41 70 July 1999 Figure 5 13 Choosing Mode of Operation and Setting Configuration Options...
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