Cisco MC3810-V - Concentrator - External Instalační příručka stáhnout pdf (Strana 23)

Perform Initial Conﬁguration (continued)

Conﬁguring T1/E1 Controller Settings for T1/E1 Ports

There can be two T1/E1 ports in a Cisco MC3810: a trunk port and a digital voice port.

The T1/E1 trunk port is physically located in the multiﬂex trunk module (MFT). It supports balanced T1 per

ANSI T1.403, and it supports balanced and unbalanced E1 per ITU G.703. The MFT has a built-in CSU/DSU.

The T1/E1 digital voice port is physically located in the digital voice module (DVM). It supports a balanced T1

interface with a digital PBX, and it supports both balanced and unbalanced E1 interfaces with a digital PBX.

To conﬁgure the basic T1/E1 controller settings for T1/E1 ports, do the following for each T1/E1 port that is

present:

When you have completed these basic settings, proceed to the appropriate section on the next page:

“Conﬁguring T1 Controller Settings” or “Conﬁguring E1 Controller Settings” and conﬁgure the T1 or E1

controller.

Note: For instructions on loopback diagnostics, or for conﬁguring controller channel groups, CAS voice

groups, or TDM cross-connects, see the Cisco MC3810 Series Multiservice Access Concentrators Software

Conﬁguration Guide.

Step Command Purpose

router> configure terminal

Enter global conﬁguration mode.

router(config)# controller

{t1 | e1}

number

Enter controller conﬁguration mode. Specify whether your controller is

E1 or T1, and enter the controller number. The controller number for a

T1/E1 port in the MFT must be 0. The controller number for a T1/E1

port in the DVM can be 0 (if an MFT is not installed) or 1 (if an MFT

is installed).

router(config-ctrl)# clock

source {internal | line |

loop-timed}

Conﬁgure the controller clock source for a DS1 link.

If the clock source is a network device attached to the T1/E1 port you

are conﬁguring now, select the line option. For any other clock source

(internal or a network device attached to any other port) select the

internal option.

router(config-ctrl)#

description

line

Enter a description of the controller, such as the destination or its

application. The description can be up to 80 characters long.

Repeat Steps 2, 3, and 4 for the other T1/E1 port, if it is installed.

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Cisco MC3810-V - Concentrator - External Instalační příručka Strana 23