DTI installation Page 31 of 66
DTI/CPI
Installation and data administration
Table 15
Clock Controller switch settings for QPC471 vintage H
System
SW1
SW2
SW4
ST, STE, 21A, 21, 21E
on
on
on
on
off
off
off
off
off
off
off
off
MS, SN
on
on
on
on
on
on
on
on
off
off
off
off
RT, N, NT, 51, 61
on
on
on
on
off
off
off
off
off
on
*
*
XN, XT, 71, 81
off
off
off
off
off
off
off
off
off
on
*
*
Cable length between the
J3 faceplate connectors:
0-4.3 m
(0-14 ft)
off
off
4.6–6.1m
(15–50 ft)
off
on
6.4–10.1m
(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,
set to match the cable length between the J3 faceplate connectors. Determine the total cable length (no
single cable can exceed 25 ft.) between the J3 connectors. Both cards must have the same setting.
Table 16
Clock Controller switch settings for QPC775
System
SW2
SW3
SW4
N, NT, RT, ST, STE, 21, 21A, 21E, 51, 61
ON
OFF
ON
MS, SN
ON
ON
OFF
XN, XT, 71, 81
OFF
OFF
ON
