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Chapter 4
Installation on Cisco 3660 Routers
The following warning applies to routers that use a DC power supply:
After wiring the DC power supply, remove the tape from the circuit breaker switch handle and
Warning
reinstate power by moving the handle of the circuit breaker to the ON position. To see translations
of the warnings that appear in this publication, refer to the Regulatory Compliance and Safety
Information document that accompanied this device.
Installing the Alarm Terminal Block
The alarm port on the Cisco 3660 rear panel (see
to a remote alarm.
Figure 4-9
Alarm port
The terminals are described in
of the other terminals (NO and NC).
Table 4-1
Terminal
P
NO
NC
78-5450-06 B0
Alarm Port on the Cisco 3660 Router
VOICE
2V
VIC
FXS
V1
1
SEE MANUAL BEFORE INSTALLAT
SERIAL
4T
SERIA L 3
SERIA L 2
SERIA L 1
CN/LP RXC
RXD
TXC
TXD
CN/LP RXC
RXD
TXC
TXD
CN/LP RXC
RXD
TXC
TXD
CN/LP RXC
Slot 6
Slot 0
Slot 4
Slot 2
Table
Alarm Terminal Block Connections
Meaning
Primary—This pin is connected to the common contact of the alarm relay.
Normally open—This pin is connected to the "normally open" contact of the alarm
relay, and is disconnected from the primary pin during normal system operation.
During an alarm condition it is connected to the primary pin by the alarm relay.
Normally closed—This pin is connected to the "normally closed" contact of the
alarm relay, and is connected to the primary pin during normal system operation.
During an alarm condition it is disconnected from the primary pin by the alarm relay.
NEBS Level 3 and ETSI Compliance Kit Installation Guide for Cisco 3620, Cisco 3640, and Cisco 3660 Routers
Figure
4-9) provides relay outputs to connect the router
HIGH SPEED SERIAL
1HSSI
0
ION
V0
EN
ETHERNE T
4E
SERIA L 0
ETH 3
ETH 2
ETH 1
ETH 0
3
2
1
0
LINK
EN
ACT
RXD
TXC
TXD
Slot 5
Slot 3
Slot 1
4-1. In order to operate the alarm port, wire the P terminal and one
Installing the Alarm Terminal Block
H
4-7