NEC NEAX2000 IVS2 Installation Manual page 323

CHAPTER 3 LAMP INDICATIONS AND SWITCH SETTINGS
PN-24CCTA (CCT)
NOTE 2: When the power is on, flip the MB switch to ON (UP position) before plugging/
unplugging the circuit card.
NOTE 3: Set SW0-1 and SW0-2 as follows:
CCT0
CONDITIONS
SW
0-1
When one CCT
ON OFF
is provided.
When more than
one CCT is ON OFF OFF ON OFF OFF OFF OFF OFF OFF
provided.
NOTE 4: When the PBX is a clock source office, set the SW0-1 and SW0-2 on all the CCT cards
mounted in PIM 0 to "OFF".
NOTE 5: Mount the CCT card which receives a source clock signal into PIM 0.
NOTE 6: The following two kinds of rate adaptation method are available in 48 kbps data
transmission. The rate adaptation method must be set to match the rate adaptation of
clock source office.
• SW2-3: OFF
1
NOTE 7: This card must be reset after the SW0-3 to SW0-7 switch settings. Set the MB switch
to UP and then DOWN.
Page 294
CCT1 CCT2
SW SW SW SW
0-2 0-1 0-2 0-1
– – –
• SW2-3: ON
48 kbps
1
Data
• • • • • CCT7
SW SW SW SW
0-2 0-1 0-2 0-1
– – – –
48 kbps
1 1
Data
NEAX2000 IVS
REMARKS
SW
0-2
MP card will receive the
– clock signal from CCT 0
at its PLO 0 input.
MP card will receive the
clock signal from CCT 0
at its PLO 0 input, under
normal conditions.
Should a clock failure
occur with CCT 0, MP
card will automatically
switch to the PLO 1 input
which gets clock from
CCT 1.
2
Installation Procedure Manual
ND-70928 (E), Issue 3.0