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Configuration Options
C-2
3166-A2-GB20-10November 1998
Port Configuration Options
Table C-1. Port Configuration Options (1 of 5)
Port Type: E530 (Factory 1) V.35 (Factory 2)
Next E530 V.35 RS449 X.21 Prev
Data Port Type. Allows selection of the data port interface type.
E530 – Configures the port as an EIA-530-A compatible interface. EIA-530-A DTEs can
be directly connected to the Port1 connector.
V.35 – Configures the port as a V.35 compatible interface. V.35 DTEs can be connected
to the Port1 connector using an EIA-530-A-to-V.35 adapter cable.
RS449 – Configures the port as an RS449 compatible interface. RS449 DTEs can be
connected to the Port1 connector using an EIA-530-A-to-RS449 adapter cable.
X.21 – Configures the port as an X.21 compatible interface. X.21 DTEs can be
connected to the Port1 connector using an EIA-530-A-to-X.21 adapter cable.
NOTE: If this configuration option is set to X.21, set the All Ones configuration
option to RTS or Disab.
Base Rate: Nx64
Next Nx64 Nx56 Prev
Data Port Base Rate. Allows selection of the base rate for the data port. The data rate
for the port is a multiple (from 1 to 24) of the base rate specified with this configuration
option.
Nx64 – Sets the base rate for this port to 64 kbps. The data rate is
N
x64 kbps, where
N
is a number from 1 to 24.
Nx56 – Sets the base rate for this port to 56 kbps. The data rate is
N
x56 kbps, where
N
is a number from 1 to 24.
Net DCLB: Disab (Factory 1) Both (Factory 2)
Next Disab V.54 FT1 Both Prev
Network Initiated DCLB. Allows the initiation and termination of a Data Channel
Loopback (V.54 loop 2) by the receipt of a V.54 DCLB-actuate sequence or
DCLB-release sequence from the network or far-end device. The sequences may be
either V.54 or FT1 (ANSI) compliant sequences.
Disab – Ignores the DCLB-actuate and DCLB-release sequences for this port.
V.54 – Enables DCLB-actuate and DCLB-release sequences that comply with the V.54
standard for ‘‘Inter-DCE signaling for point to point circuits.”
FT1 – Enables DCLB-actuate and DCLB-release sequences that comply with the ANSI
T1.403, Annex B standard for ‘‘In-band signaling for fractional-T1 (FT1) channel
loopbacks.”
Both – Enables DCLB-actuate and DCLB-release sequences that comply with either
the ANSI or V.54 standard. The type of actuate and release sequences do not have to
match.