Nortel Networks Circuit Card User Manual

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Page 150 of 906
 Option settings
QPC595 Digitone Receiver cards
QPC577, QPC596 Digitone Receiver daughterboards
QPC720 Primary Rate Interface card
Location
Connection
12 DTMF tones
E9
Center to E3
16 DTMF tones
E9
Center to E2
16/12 tone options jumper
Jumper at P1
16 tone (4 x 4)
connect pins 1 and 2
12 tone (3 x 4)
connect pins 2 and 3
Note: When a DTR daughterboard is installed, check YES on the faceplate of the QPC659 Dual 
Loop Peripheral Buffer.
Table 57
QPC720 Primary Rate Interface card (Part 1 of 2)
Switch S2 settings
To repeater facility 
To cross-connect point 
5 on
0–45 m
(0–150 ft)
0–30 m
(0–100 ft)
2, 4, 6 on
46–135 m
(151–450 ft)
31–100 m
(101–355 ft)
Note 1: All positions on S2 (location B22) are OFF except as shown under the column labeled 
“Switch S2 settings.”
Note 2: Framing format, line encoding, and method of yellow alarm are selectable for both DTI 
and PRI in LD17 with the DLOP, LCMT, and YALM prompts. All SW3 switch positions should be 
OFF.