Page 134 of 906 Option settings
553-3001-211 Standard 3.00 August 2005

NT8D72 Primary Rate Interface card

The NT8D72 Primary Rate Interface card allows the configuration of

interface impedance by way of DIP switches.

Table 44
QSDI paddle board DTE/DCE mode switch settings
Mode
Port 1 — SW 3 Port 1 —SW 2
123456123456
DTE (terminal) on on on off on off off on off on off on
DCE (modem) off off off on off on on off on off on off
Port 2 — SW 5 Port 2 — SW4
DTE (terminal) on on on off on off off on off on off on
DCE (modem) off off off on off on on off on off on off
Port 3 — SW 7 Port 3— SW 6
DTE (terminal) on on on off on off off on off on off on
DCE (modem) off off off on off on on off on off on off
Port 4 — SW 9 Port 4 — SW 8
DTE (terminal) on on on off on off off on off on off on
DCE (modem) off off off on off on on off on off on off