NEC Neax2000 Ivs Circuit Card Manual

							ND-45504 (E) CHAPTER 4
Page 75
Revision 2.0
PN-24DTA-A (DTI)
PN-24DTA-A (DTI)
1. Location of Lamps, Switches, and Connectors
PN-24DTA-A (DTI) Card
2. Lamp Indications
Lamp Indications
LAMP NAME COLOR FUNCTION
RUN Green Flashes at 120 IPM while this card is operating normally.
CRC Red Lights when detecting Cyclic Redundancy Checking (CRC) errors.
PCM Red Lights when detecting PCM signal loss.
FRM Red Lights when detecting a Frame Alignment signal loss.
RMT Red Lights when receiving a Frame Alignment signal loss alarm from a distant office.
AIS RedLights when a pattern of consecutive “1” is received. The distant office transmits this signal 
for a loop-back test.
BL RedB channel status
ON  : More than 10 channels is busy
OFF  : All channels are idle
Flash (60 IPM):Only one channel is busy
Flash (120 IPM):2 through 10 channels are busy
SENS
RUN
MB
SW
CRC
PCM
FRM
RMT
AIS
BL JPS
JPR1
JPR0
MAS AISS [When Card Issue No. is before 5A]
SENS
RUN
MB
SW
CRC
PCM
FRM
AIS
RMT
BL JPS
JPR 1
JPR0
MAS AISS [When Card Issue No. is after 5B] 
						

							CHAPTER 4 ND-45504 (E)
Pag e 76
Revision 2.0
PN-24DTA-A (DTI)
(3) Switch Settings
Switch Settings 
SWITCH
NAMESWITCH
NUMBERSETTING
POSITIONFUNCTION CHECK
SENS
(Rotary SW)
Note 14 ~ F Set the switch to match the AP Number (04 ~ 15) to be set by CM05.
0 ~ 3Not used
MB (Toggle SW)
Note 2UP For make-busy
For normal operation
SW
(Piano Key SW)1ONClock signal from a master office is sent to the PLO 0 in-
put on the MP card.
OFFClock signal from a master office is not sent to the PLO 
0 input on the MP card. 
2ONClock signal from a master office is sent to the PLO 1 in-
put on the MP card.
OFFClock signal from a master office is not sent to the PLO 
1 input on the MP card. 
3ONRemote loop-back
For normal operation
4ONLocal loop-back (AIS send)
For normal operation
5Set the equalizer according to the cable length between 
the PBX and the MDF.
OFF
6
OFF
7
OFF
8 Always set to ON
AP NO.
SW NO.10 04 05 06 07 08 09 11 12 13 14 15
456 789ABCDEF
ON
DOWN
ON
OFF
4
3
2
1
5 6
7 8
OFF
OFF
ON
SW-5 SW-6 SW-7  CABLE LENGTH
ON ON ON 0 - 40 m ( 0 - 131.2 ft.)
ON ON OFF 40 - 80 m (131.2 - 262.5 ft.)
ON OFF ON 80 - 120 m (262.5 - 394 ft.)
ON OFF OFF 120 - 160 m (394 - 525 ft.)
OFF ON ON 160 - 200 m (525 - 656 ft.)
OFF OFF OFF Signal is not sent
ON
ON
ON 
						

							ND-45504 (E) CHAPTER 4
Page 77
Revision 2.0
PN-24DTA-A (DTI)
The figure in the SWITCH NAME column and the position in    in the SETTING POSITION col-
umn indicate the standard setting of the switch. When the switch is not set as shown by the figure and
, the setting of the switch varies with the system concerned.
Note 1:Set the groove on the switch knob to the intended switch position.
Note 2:When the power is on, flip the MB switch to ON (UP position) before plugging/unplugging the circuit
card.
Switch Settings (Continued)
SWITCH
NAMESWITCH
NUMBERSETTING
POSITIONFUNCTION CHECK
JPS (Jumper pin)
Neutral grounding on the transmitting line is not provid-
ed.
Left Neutral grounding on the transmitting line is provided.
JPR0 (Jumper pin)
Right Neutral grounding on the receiving line is provided.
Neutral grounding on the receiving line is not provided.
JPR1 (Jumper pin)
Right Line impedance : 110 ohms
Line impedance : 100 ohms
AISS (Jumper pin)
AIS signal is sent out when make-busy or power on.
Left AIS signal is not sent out when make-busy or power on.
MAS (Jumper pin)
Right When this card is used for factory testing.
When this card is used for normal operation.
Right
Left
Left
Right
Left 
						

							CHAPTER 4 ND-45504 (E)
Pag e 78
Revision 2.0
PN-24DTA-A (DTI)
Note 3:
Set SW-1 and SW-2 as follows:
Note 4:When the PBX is the master office, set the SW1-1 and SW1-2 on all the DTI cards mounted in PIM0 to
“OFF”.
DTI0 DTI1 DTI2 DTI3 DTI4
REMARKS
SW-
1SW-
2SW-
1SW-
2SW-
1SW-
2SW-
1SW-
2SW-
1SW-
2
When one DTI is pro-
vided.ON OFFThe MP card will receive the 
clock signal from DTI0 at its 
PLO0 input.
When more than one 
DTI is provided.ON OFF OFF ON OFF OFF OFF OFF OFF OFFThe MP card will receive the 
clock signal from DTI0 at its 
PLO0 input, under normal condi-
tions.
Should a clock failure occur with 
DTI0, the MP card will switch to 
the PLO1 input which gets clock 
from DTI1.No. of DTI
SW
CONDITIONS 
						

							ND-45504 (E) CHAPTER 4
Addendum-001 Page 78-1
JULY, 1998 Revision 2.1PN-30DTC/30DTC-A (DTI)
PN-30DTC/30DTC-A (DTI)
1. Locations of Lamps, Switches, and Connectors
PN-30DTC/30DTC-A (DTI) Card
SENS
RUN
MB
PCM
SW
FRM
MFR M
RMT
MRMT
AIS
BL
JP JPS
JPR 
						

							CHAPTER 4 ND-45504 (E)
Page 78-2 Addendum-001
Revision 2.1 JULY, 1998 PN-30DTC/30DTC-A (DTI)
2. Lamp Indications
Lamp Indications
LAMP NAME COLOR FUNCTION
RUN Green Flashes at 120 IPM when this card is normally operating.
PCM Red Lights when detecting PCM signal loss.
FRM Red Lights when detecting Frame Alignment signal loss.
MFRM Red Lights when detecting Multi-Frame Alignment signal loss on time slot 16.
RMT RedLights when receiving an alarm because Frame Alignment signal loss has been
detected at the distant office.
MRMT RedLights when receiving an alarm because Multi-Frame Alignment signal loss has
been detected at the distant office.
AIS RedLights when indicating that the pattern of consecutive “1” is being received. (The
distant office transmits this signal for a loop-back test).
BL Red B channel status
ON  : More than10 channels are busy
OFF  :  All channels are idle
Flash (60 IPM) :  Only one channel is busy
Flash (120 IPM) : 2 to 10 channels are busy 
						

							ND-45504 (E) CHAPTER 4
Addendum-001 Page 78-3
JULY, 1998 Revision 2.1PN-30DTC/30DTC-A (DTI)
3. Switch Settings
 Switch Settings
SWITCH
NAMESWITCH
NUMBERSETTING
POSITIONFUNCTION CHECK
SENS 
(Rotary SW)
Note 14 ~ F Set the switch to match the AP Number (04-15) as set by CM05.
0 
~ 3 Not used
MB (Toggle SW)
Note 2UP For make-busy
For normal operation
SW
(Piano Key SW)1
Note 3
ONClock signal from master office is sent to PLO 0 on
the MP card.
OFFClock signal from master office is not sent to
PLO 0 on the MP card.
2
Note 3
ONClock signal from master office is sent to PLO 1 on
the MP card.
OFFClock signal from master office is not sent to
PLO 1 on the MP card. 
3ON Remote loop-back
For normal operation
4ON Local loop-back (AIS send)
For normal operation
5ON Transmission line cable: Coaxial (75 W)      
Note 4
Transmission line cable: Twisted-pair (120 W)
6
Always set to OFF
7
8 Always set to ON
0AP NO.
SW NO.10 04 05 06 07 08 09 11 12 13 14 15
4 5 6 78 9ABCDEF
ON
DOWN
ON
 
 
 
 
 
 
 
 
 
 
 
 
OFF
4
3
2
1
5 6 7 8
OFF
OFF
OFF
OFF
OFF
ON 
						

							CHAPTER 4 ND-45504 (E)
Page 78-4 Addendum-001
Revision 2.1 JULY, 1998 PN-30DTC/30DTC-A (DTI)
The figure in the SWITCH NAME column and the position in   in the SETTING POSITION col-
umn indicate the standard setting of the switch. When the switch is not set as shown by the figure and
 , the setting of the switch varies with the system concerned.
Note 1:Set the groove on the switch knob to the intended switch position.
Note 2:When the power is on, set the MB switch to ON (UP position) before plugging/unplugging the circuit
card. JPS
(Jumper pin)Balanced transmission
(For twisted-pair cable)
DOWNTA is grounded on the transmission line
(For coaxial cable)          
Note 4
JPR
(Jumper pin)Balanced transmission
(For twisted-pair cable)
DOWNRA is grounded on the transmission line
(For coaxial cable)
JP
(Jumper pin)
RIGHTLine impedance: 75 ohms
(For coaxial cable)          
Note 4
Line impedance: 120 ohms 
(For twisted-pair cable)
 Switch Settings
SWITCH
NAMESWITCH
NUMBERSETTING
POSITIONFUNCTION CHECK
UP
UP
LEFT 
						

							ND-45504 (E) CHAPTER 4
Addendum-001 Page 78-5
JULY, 1998 Revision 2.1PN-30DTC/30DTC-A (DTI)
Note 3:
Set SW-1 and SW-2 as follows.
Note 4:
Coaxial cable connection to the PN-30DTC/30DTC-A is not available in the U.S.
DTI  0DTI  1DTI  2DTI  3
REMARKS
SW-1 SW-2 SW-1 SW-2 SW-1 SW-2 SW-1 SW-2
When one DTI is provided. ON OFFThe MP card will receive the clock
signal from DTI 0 at its PLO 0 input.
When more than one DTI 
is provided.ON OFF OFF ON OFF OFF OFF OFFThe MP card will receive the clock
signal from DTI 0 at its PLO 0 input,
under normal conditions.
Should a clock failure occur on
DTI 0, the MP card will automatical-
ly switch to the PLO 1 input, and so
derive the clock from DTI 1.
No. of DTI
CONDITIONS
SW
  
						

							CHAPTER 4 ND-45504 (E)
Page 78-6 Addendum-001
Revision 2.1 JULY, 1998
This page is for your notes.