Computer Hardware Installation Guide

854 NTAK02 SDI/DCH card
•
Data bit: Transparent (1)
•
Duplex: Full
•
Clock: Internal or external
•
Interface: RS-232-D, RS-422-A
Introduction
The NTAK02 Serial Data Interface/D-channel (SDI/DCH) digital trunk card
is supported in the Media Gateway only for the ISDN Signaling Link (ISL)
D-channel.
Up to four NTAK02 SDI/DCH cards are supported in a Media Gateway.
The NTAK02 SDI/DCH card can be installed in slots 1, 2, 3, and 4 of the
Media Gateway. The NTAK02 SDI/DCH card is not supported in the Media
Gateway Expansion.
NTAK02 SDI/DCH card
The optional SDI/DCH card provides up to four serial I/O ports, which are
grouped into two pairs:
•
port 0 and port 1
•
port 2 and port 3
Ports 1 and 3 are configured as DCH. Ports 0 and 2 are configured as SDI
(not supported). See Table 343 "Port configurations" (page 854). Each pair
is controlled by a switch, as shown in Table 344 "Switch settings" (page 854).
Table 343
Port configurations
Port 0 SDI (not supported)
Port 1 DCH
Port 2 SDI (not supported)
Port 3 DCH
Table 344
Switch settings
Port 0 Port 1
SW 1-1 SW 1-2
SDI (not supported) DCH OFF OFF
SDI (not supported) DCH OFF ON
—
ESDI ON ON
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright © 2003-2008, Nortel Networks
.