854 NTAK02SDI/DCH card
•Data bit: Transparent (1)
•Duplex: Full
•Clock: Internal or external
•Interface: RS-232-D, RS-422-A
IntroductionThe 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 NTAK02SDI/DCH cards are suppor ted in a Media Gateway.
The NTAK02SDI/DCH card can be installed in slots 1, 2, 3, and 4 of the
Media Gateway. The NTAK02SDI/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 bya switch,as shown in Table 344 "Switch settings" (page 854).
Table343
Port configurations
Port 0 SDI (not supported)
Port 1 DCH
Port 2 SDI (not supported)
Port 3 DCH
Table344
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, Nor tel Networks
.