Nortel Circuit Card 311 Reference page 854

854 NTAK02 SDI/DCH card
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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:
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Ports 1 and 3 are configured as DCH. Ports 0 and 2 are configured as SDI
(not supported). See
is controlled by a switch, as shown in
Table 343
Port configurations
Port 0
Port 1
Port 2
Port 3
Table 344
Switch settings
Port 0
SDI (not supported)
SDI (not supported)
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Copyright © 2003-2008, Nortel Networks
.
Data bit: Transparent (1)
Duplex: Full
Clock: Internal or external
Interface: RS-232-D, RS-422-A
port 0 and port 1
port 2 and port 3
Table 343 "Port configurations" (page
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Table 344 "Switch settings" (page
SDI (not supported)
DCH
SDI (not supported)
DCH
Port 1
SW 1-1
DCH OFF
DCH OFF
ESDI ON
854). Each pair
854).
SW 1-2
OFF
ON
ON