Nortel Networks Option 11C User Manual
Page 234 of 544
SDI ports
NTAK02 SDI/DCH card
The optional SDI/DCH card provides a maximum of four serial I/O ports,
which are grouped into two pairs:
which are grouped into two pairs:
•
port 0 and port 1
and
•
port 2 and port 3
Ports 1 and 3 may be configured as DCH or ESDI. Ports 0 and 2 may only be
configured as SDI. Each pair is controlled by a switch, as shown in Table 77.
configured as SDI. Each pair is controlled by a switch, as shown in Table 77.
In the U.K, DPNSS (Digital Private Network Signalling System) can replace
the DCH function.
the DCH function.
Table 77
Switch settings
Switch settings
Port 0
Port 1
SW 1-1
SW 1-2
SDI
DCH/DPNSS
OFF
OFF
SDI
DCH/DPNSS
OFF
ON
—
ESDI
ON
ON
Port 2
Port 3
SW 1-3
SW 1-4
SDI
DCH/DPNSS
OFF
OFF
SDI
DCH/DPNSS
OFF
ON
—
ESDI
ON
ON