Nortel Networks Circuit Card Manuel D’Utilisation
Page 152 of 906
Option settings
QPC775 Clock Controller card
Tables 58 and 59 give option settings for the QPC775 Clock Controller
card.
card.
Table 58
QPC775 (before vintage E) switch settings
QPC775 (before vintage E) switch settings
System
SW2
SW3
SW4
1
2
3
4
1
2
3
4
1
2
3
4
CS 1000M MG
off
off
off
off
off
off
off
off
on
on
on
on
CS 1000M SG
on
on
on
on
off
off
off
off
on
on
on
on
Table 59
QPC775 vintage E switch settings
QPC775 vintage E switch settings
System
SW1
SW2
SW4
1
2
3
4
1
2
3
4
1
2
3
4
CS 1000M SG
on
on
on
on
off
off
off
off
off
on
*
*
CS 1000M MG
on
off
off
off
off
off
off
off
**
on
*
*
*Cable length between the J3
faceplate connectors:
faceplate connectors:
0–4.3 m (0–14 ft)
off
off
4.6–6.1 m (15–20 ft)
off
on
6.4–10.1 m (21–33 ft)
on
off
10.4–15.2 m (34–50 ft)
on
on
*
If there is only one Clock Controller card in the system, set to OFF. If there are two Clock Controller
cards, determine the total cable length between the J3 connectors (no single cable can exceed 25 ft.)
and set these two switch positions for this cable length, as shown above. The maximum total (combined)
length is 50 ft. Set the switches on both cards to the same settings.
cards, determine the total cable length between the J3 connectors (no single cable can exceed 25 ft.)
and set these two switch positions for this cable length, as shown above. The maximum total (combined)
length is 50 ft. Set the switches on both cards to the same settings.
** Set to ON for clock controller 0. Set to OFF for clock controller 1.