Cisco MC3810-V - Concentrator - External Installationsanleitung PDF herunterladen (Seite 30)

Perform Initial Conﬁguration (continued)

Conﬁguring ISDN BRI Voice Ports

To conﬁgure the basic ISDN BRI voice-port settings, perform the following tasks:

Step Command Purpose

router> configure terminal

Enter global conﬁguration mode.

router(config)#

isdn switch-type basic-qsig

Conﬁgure the global ISDN switch type as basic-qsig for the BRI

voice ports.

Note You can conﬁgure the ISDN switch type in either global or

interface conﬁguration mode. If you conﬁgure it here in Step 2, it

speciﬁes the switch type for all four BVM ports. If you conﬁgure it

in Step 4, it speciﬁes the switch type for a single interface. The

switch type speciﬁed in Step 4 for any individual interface will

override the globally speciﬁed switch type.

router(config)#

interface bri

number

Enter interface conﬁguration mode to conﬁgure parameters for the

speciﬁed BRI voice port. The number can be from 1 to 4.

router(config-interface bri 1)#

isdn switch-type basic-qsig

If the service provider switch type for this BRI port is different

from the global ISDN switch type, conﬁgure the interface ISDN

switch type to match the service provider switch type. The

interface ISDN switch type overrides the global ISDN switch type

on this interface.

router(config-interface bri 1)#

isdn protocol-emulate {user |

network}

Conﬁgure the Layer 2 and Layer 3 port protocol emulation:

• Enter

user to conﬁgure the port as TE. This is the default.

• Enter

network to conﬁgure the port as NT.

Note The term

user is equivalent to the QSIG term slave. The

term

network is equivalent to the QSIG term master.

router(config-interface bri 1)#

isdn layer1-emulate {user | network}

Conﬁgure the Layer 1 port mode emulation and the clock settings:

• Enter

user to conﬁgure the port as TE and to function as a

clock slave. This is the default.

• Enter

network to conﬁgure the port as NT and to function as a

clock master.

router(config-interface bri 1)#

[no] line-power

Turn on or off the power supplied from an NT-conﬁgured port to

a TE device. The default is

no line-power.

router(config-interface bri 1)#

network-clock-priority {low | high}

If this BRI voice port is conﬁgured as TE, and you want it to act as

a clock slave and recover clock from the network NT device, set it

high.

If this BRI voice port is conﬁgured as TE, and you do not want it

to recover clock from the network NT device, set it to

low.

This command is not used if this port is conﬁgured as NT with the

command

isdn layer1-emulate network.

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