Nortel Networks Circuit Card - Manual (Page 877)

QPC841 Quad Serial Data Interface card Page 877 of 906
Circuit Card Description and Installation
select the addresses for ports 1 and 2. Switch SW15 is used to select the
addresses for ports 3 and 4.
Table 275
QSDI card address switch settings
SW14 Port 1 Port 2 Switch settings
SW15 Port 3 Port 4 1 2 3 4 5 6 7 8
Device
pair
addresses
0 1 off off off off off on on on
2 3 off off off off off on on off
4 5 off off off off off on off on
6 7 off off off off off on off off
8 9 off off off off off off on on
10 11 off off off off off off on off
12 13 off off off off off off off on
14 15 off off off off off off off off
Note 1: On SW16, positions 1, 2, 3, and 4 must be OFF.
Note 2: To avoid address conflicts, SW14 and SW15 can never have identical settings.
Note 3: To disable ports 1 and 2, set SW14 position 1 to ON. To disable ports 3 and 4, set
SW15 position 1 to ON.