Figure 54 "qpc720 – Nortel Networks NN43001-301 User Manual

Page 122

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NT8D72 and QPC720 PRI card installation

Figure 54
QPC720 switch settings for Half and Single Group systems

Table 33
NT8D72 and QPC720 PRI transmission equalization switch settings for Large Systems

Switch S2 settings

To repeater facility

To crossconnect 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)

1, 3, 7 on

136 - 225 m

(451 - 750 ft)

101 - 200 m

(356 - 655 ft)

Switch 3 options for PRI with ESF

SW3-1

on = extended superframe format (ESF)
off = superframe format (SF)

Note 1: All positions on S2 (location B22) are OFF except as shown under the column labeled
"Switch S2 settings." The 8-pole SW3 (location E37) positions are OFF except for SW3-1 as shown
for "Switch 3 option for DTI with ESF."

Note 2: For D2, D3, or D4 framing formats (superframe formats), set all SW3 options to OFF.

Note 3: For the DTI with ESF option, you must set the framing format as ESF with the DLOP prompt
in LD17 before you set SW3-1 on the card.

Nortel Communication Server 1000

ISDN Primary Rate Interface Installation and Commissioning

NN43001-301

02.03

Standard

Release 5.5

7 December 2007