Nortel Networks NN43001-301 Pin Transmit tip to Network Transmit ring to, Fgnd, Frame ground

2101.5 Mb PRI implementation

Table 76

DS-1 line interface pinout for NTBK04 cable

From 50-pin		Signal
MDF connector	To DB-15	name	Description
pin 48	pin 1	T	transmit tip to
			network
pin 23	pin 9	R	transmit ring to
			network
pin 25	pin 2	FGND	frame ground
pin 49	pin 3	T1	receive tip from
			network
pin 24	pin 11	R1	receive ring from
			network

—End—

Procedure 31

Enabling the NTRB21 TMDI card

Step Action

1Enter the following command in LD 96 to enable the NTRB21 TMDI card:

ENL TMDI x ALL

where x is the NTRB21 TMDI card number (DLOP). The card number associated with a NTRB21 TMDI card is based on the slot in which the card is installed.

2If in PRI mode, enter the following command in LD 96 to software enable the D-channel:

ENL DCH y

where y is the DCH port number that was assigned in LD 17.

3Within about 30 seconds, the D-channel layer 3 should be established. To confirm, enter the following command in LD 60 to request the current status of the D-channel:

STAT DCH (N)

The system response is:

DCH N EST OPER

This means that the D-channel is established and operational.

Nortel Communication Server 1000

ISDN Primary Rate Interface Installation and Commissioning

NN43001-301 02.03 Standard

Release 5.5 7 December 2007

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