Routers Installation Guide

4-7
NEBS Level 3 and ETSI Compliance Kit Installation Guide for Cisco 3620, Cisco 3640, and Cisco 3660 Routers
78-5450-06 B0
Chapter 4 Installation on Cisco 3660 Routers
Installing the Alarm Terminal Block
The following warning applies to routers that use a DC power supply:
Warning After wiring the DC power supply, remove the tape from the circuit breaker switch handle and
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 Figure 4-9) provides relay outputs to connect the router
to a remote alarm.
Figure 4-9 Alarm Port on the Cisco 3660 Router
The terminals are described in Table 4-1. In order to operate the alarm port, wire the P terminal and one
of the other terminals (NO and NC).
22660
V
C
C
O
K
S
Y
S
T
E
M
F
D
X
L
IN
K
1
0
0
M
b
p
s
NO
P
NC
F
D
X
1
0
L
IN
K
1
0
0
M
b
p
s
ETH 0
ETH 3
E
T
H
E
R
N
E
T
4E
ETH 2
ETH 1
12
3
ACT
LINK
0
CN/LP
RXC
SERIAL 3
SERIAL 2
SERIAL 1 SERIAL 0
RXD
TXC
TXD
CN/LP
RXC
RXD
TXC
TXD
CN/LP RXC
RXD
TXC
TXD
CN/LP RXC
RXD
TXC
TXD
EN
S
E
RIA
L
4T
VO
IC
E
2V
V0
V1
EN
HIGH SPEED SERIAL
1HSSI
H
TD
TC
RD
RC
LB/CN
Slot 5
Slot 3
Slot 1
Slot 2
Slot 6
Slot 4
Alarm port
S
E
E
M
A
N
U
A
L
B
E
F
O
R
E
IN
S
T
A
L
L
A
T
IO
N
V
IC
F
X
S
IN USE
IN USE
1
0
Slot 0
Ta b l e 4 - 1 A l a rm Te rm i n a l B l o c k C o n n e c t i o n s
Terminal Meaning
P Primary—This pin is connected to the common contact of the alarm relay.
NO 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.
NC 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.