Physical description – Nortel Networks 1000 User Manual

Page 730

730

NT8D41BA Quad Serial Data Interface Paddle Board

Figure 248
NT8D41BA QSDI paddle board cabling

The QSDI paddle board is compatible with all existing system software, but
can only be used with the Meridian 1 system options listed above. It does
not support the 110 baud rate or the 20 mA current loop interface.

Physical description

The NT8D41BA Quad Serial Data Interface paddle board is a printed
circuit board measuring 31.12 by 12.7 cm (12.25 by 5.0 in.). See

Figure

249 "NT8D41BA QSDI paddle board" (page 731)

The QSDI paddle board can be used in a system backplane for a total of
four serial ports. Up to 12 other serial ports can be added by plugging
standard serial cards into standard system slots. The serial ports on the
card are addressed as a pair of consecutive addresses (0 and 1, 2 and 3,
up to 14 and 15), using switches SW15 and SW16.

Nortel Communication Server 1000

Circuit Card Reference

NN43001-311

02.06

Standard

27 August 2008