NEC ux5000 Hardware Manual page 126

Chapter 2 - Blade Installation and Startup
CN101
Key Telephone Interface
CN201
Key Telephone Interface
CN301
Key Telephone Interface
#9- #12
CN401
Key Telephone Interface
#13- #16
BUSY LED
(Status for terminals)
ON: Extension(s)
in Use
OFF: Idle
LIVE LED
(Status LED)
The CNx01 connectors provide connection to 4 digital station ports. With the 16ESIU blade, the
CN101, CN201, CN301, and CN401 connectors are available. With the 8ESIU blade the CN301 and
CN401connectors are removed from the blade.
8ESIU or
16ESIU
2 - 40
#1- #4
#5- #8
Pin Number
Location
1
2
3
4
5
6
7
8
RJ61
Connector
Figure 2-20: 16ESIU BLADE
Any cabling to the ESIU blade must be within the building - no outside
cabling is permitted.
9.5" Chassis
2
Interface Circuit #
#2
CN
#3
101
CN
#6
201
#7
CN
301
#10
CN
401
#11
#14
#15
Blade Maximum's
19" Chassis 19" Chassis
w/CCPU w/o CCPU
5
#1
#4
#5
Common
Control
#8
Circuit
#9
#12
#13
#16
19" Chassis
x4
5 20
CN1
System Max.
w/Networking
32
Chapter 2