Nortel-networks Circuit Card Manual de usuario descargar pdf (Pagina 152)

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101

Page 152 of 906 Option settings

553-3001-211 Standard 3.00 August 2005

QPC775 Clock Controller card

Tables 58 and 59 give option settings for the QPC775 Clock Controller

card.

Table 58

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

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:

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.

** Set to ON for clock controller 0. Set to OFF for clock controller 1.

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