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