Nortel Meridian 1 Option 11C Manual page 14

Page 14 of 126 2.0 Mb DTI Implementation
553-3011-315 Standard 13.00
Switch S1—Clock Controller Configuration
This switch enables/disables the on-board Clock Controller.
Table 1
Switch S1
Switch
S1-1
S1-2
Switch S2—Carrier Impedance Configuration
This switch sets the carrier impedance to either 120¾ or 75¾. Twisted pair
cable is usually associated with 120¾. Coaxial cable is usually associated
with the 75¾ setting.
Table 2
Switch S2
Switch
S2-1
S2-2
Switch S3—Mode of Operation
This switch selects the mode in which the NTAK10 operates. The NTAK10
supports firmware that allows it to operate in the standard CEPT format
mode, or the modified CEPT format used in France.
Table 3
Switch S3
Switch
S3-1
S3-2
January 2002
Off (Up)
Spare
Clock Controller
Enabled
Off (Up)
120¾
75¾
Off (Up)
Non-French Firmware
Spare
On (Down)
Spare
Clock Controller
Disabled
On (Down)
75¾
120¾
On (Down)
French Firmware
Spare