Nortel Meridian 1 Option 11C Upgrade Manual page 110

Page 110 of 224
553-3021-250 Standard 7.00
Upgrade an Option 11E with fiber-optic cable to Option 11C
37 Remove any circuit cards you want to keep from the old
expansion cabinets and install them in the corresponding slots in
the new cabinets.
38 Connect the power to the expansion cabinets.
Set the circuit breaker switch on the front of the power supply unit in
each cabinet to ON.
If equipped with reserve battery power, set the circuit breaker switch
on the reserve battery power unit to ON.
39 Check the fiber-related LEDs on the SSC card.
— The LED for the equipped expansion daughterboard is green.
— If the LED is red (disabled indication):
a Load overlay program 135.
b Enter ENL FL1 to enable expansion cabinet 1 (or ENL FL2 for
expansion cabinet 2, if equipped).
— If the LED is yellow (fault indication):
a Check all fiber-optic cable. Make sure you connected it
correctly and it is not damaged.
b If the LED remains yellow, refer to the Option 11C Fault
Clearing Guide (553-3011-500).
40 Change the tone and SDI functions.
The NTDK20 SSC card joins together many tone functions. Refer to
"Assign TDS/DTR, XTD, and SDI functions" on page 131 for more
information.
41 Install the single port TTY cable in the expansion cabinet (See
Figure 46 on page 111).
42 Connect the NTDK27 Ethernet cable to the expansion connector
in the cabinet. See Figure 46 on page 111.)
—————————— End of Procedure ——————————
April 2000