Nortel Networks Circuit Card 311 - Manual (Page 854)

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
.