Ntak02 Sdi/Dch Card - Meridian Nortel 1 Option 11C Technical Reference Manual

Page 234 of 544

NTAK02 SDI/DCH card

Table 77
Switch settings
Port 0
SDI
SDI
—
Port 2
SDI
SDI
—
553-3011-100 Standard 14.00
SDI ports
The optional SDI/DCH card provides a maximum of four serial I/O ports,
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.
Port 1
DCH/DPNSS
DCH/DPNSS
ESDI
Port 3
DCH/DPNSS
DCH/DPNSS
ESDI
In the U.K, DPNSS (Digital Private Network Signalling System) can replace
the DCH function.
January 2002
SW 1-1
OFF
OFF
ON
SW 1-3
OFF
OFF
ON
SW 1-2
OFF
ON
ON
SW 1-4
OFF
ON
ON