Qpc775 Clock Controller Card - Nortel Circuit Card Installation Manual

Page 152 of 906

QPC775 Clock Controller card

Table 58
QPC775 (before vintage E) switch settings
System
CS 1000M MG
CS 1000M SG
Table 59
QPC775 vintage E switch settings
System
CS 1000M SG
CS 1000M MG
* 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.
** Set to ON for clock controller 0. Set to OFF for clock controller 1.
553-3001-211 Standard 3.00
Option settings
Tables 58 and 59 give option settings for the QPC775 Clock Controller
card.
SW2
1 2
off off
on on
SW1
1 2
on on
on off
August 2005
3 4 1 2
off off off off
on on off off
SW2
3 4 1 2
on on off off
off off off off
*Cable length between the J3
faceplate connectors:
0–4.3 m (0–14 ft)
4.6–6.1 m (15–20 ft)
6.4–10.1 m (21–33 ft)
10.4–15.2 m (34–50 ft)
SW3
3 4 1
off off on
off off on
3 4 1
off off off
off off **
SW4
2 3 4
on on on
on on on
SW4
2 3 4
on * *
on * *
off off
off on
on off
on on