Dial-on-Demand
Cable Requirements
DaonDemand
Cabile
Requirements
To
use the dial-on-demand
feature discussed
in
the
Router
Products
Configuration
Guide
publication
with
some
synchronous
modems
you might need
special cable modifications
If
your
modem
follows
the
V.25
bis
specification
and
raises
Data
Set
Ready
DSR
cable modification
is
required
to
swap
DSR
with
Data
Carrier Detect
DCD
or
CD
If
your
modem
ignores the V.25
bis
specification
and
raises
DCD
no
cable modifications
are required
Figure
A-i shows
the
configuration
for
the
RS-232
cable
and
Figure
A-2 shows
the configuration
for
the
HD
V.35 cable
For the
RS-232
cables
swap
pin
DSR
with pin
CD
at either
end
TX
TX
RX
RX
GR
GR
DTR
20
20
DTR
DSR
DSR
CD
CD
RTS
RTS
CTS5
5CTS
Figure
A-i
RS-232
Cable
Configuration
for Dial
on
Demand
Receive
Line
Signal Detect
RLSD
is the
HD
V.35 equivalent of
CD
For the high-density
HD
V.35 cables
swap
pin
DSR
with pin
RLSD
at
the standard
V.35
end
or
swap
pin 20
DSR
with pin
22
RLSD
at the
HD
end
HD
connector
Std V.35 Connector
FG
26
FG
LT
21
LT
DSR
22
DSR
DG
17
DG
RTS
23
RTS
CTS
24
CTS
DIR
19
DTR
RLSD
20
RLSD
SD
SD-i-
SD-
14
SD
RD-i-
RD-i
RD-
12
RD
SCTE
SCTE
SCIE-
15
SCTE
SCR-i-
SCR
SCR-
16
SCR
SCT
SCT
SCT-
11
AA
SCT-
Figure
A-2
HD
V.35
Cable
Configuration
for Dial
on
Demand
Cabling
Specifications
A-3
Summary of Contents for AGS+
Page 1: ...CISCO SYSTEMS ...
Page 11: ...AGS Hardware Installation and Maintenance ...
Page 17: ...Document Conventions xvi AGS Hardware Installation and Maintenance ...
Page 27: ...Chassis Power Budget 1 10 AGS Hardware Installation and Maintenance ...
Page 39: ...Chassis Components 2 12 AGS Hardware Installation and Maintenance ...
Page 57: ...System Bootstrap Diagnostics 4 10 AGS Hardware Installation and Maintenance ...
Page 83: ...Card Illustrations 5 26 AGS Hardware Installation and Maintenance ...
Page 105: ...FOOl Optical Bypass Switch Pinout A 22 AGS Hardware Installation and Maintenance ...
Page 121: ...Applique LED Indicators B lB AGS Hardware Installation and Maintenance ...
Page 125: ...C 4 ACS Hardware Installation and Maintenance ...
Page 127: ...Compliance Provisions D 2 AGS Hardware Installation and Maintenance ...
Page 129: ...E 2 AGS Hardware Installation and Maintenance ...