Nortel Networks 553-3001-211 Manual Do Utilizador

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 QPC513 Enhanced Serial Data Interface card
Figure 182
ESDI card option switch locations
553-5983
S1
S2
DS1
J1
J2
UB9
UB10
UB11
UB12
UA9
UA10
UA11
UA12
UB16
UB17
UB18
UB19
UA16
UA17
UA18
UA19
Address 
selection
Note:  Ports 1 and 2 shown with jumper plugs installed for DCE and RS-232-C operation.
Port no. 1
jumpers
Port no. 2
jumpers
1 2 3 4
O
N
STYLE
Jumper plug 
installed in 
socket
Empty 
jumper 
socket