Device; Connecting The T640 Router To An External Alarm-Reporting Device; Connecting The T640 Router To External Devices; Figure 69: Routing Engine Ethernet Cable Connector - Juniper T640 Hardware Manual

Connecting the T640 Router to a Management Console or Auxiliary Device

Connecting the T640 Router to an External Alarm-Reporting Device

Copyright © 2010, Juniper Networks, Inc.
Plug one end of the Ethernet cable (Figure 69 on page 119 shows the connector) into
2.
the appropriate
ETHERNET
Routing Engine in the upper Routing Engine slot (
connect to the Routing Engine in the lower Routing Engine slot (
Plug the other end of the cable into the network device.
3.

Figure 69: Routing Engine Ethernet Cable Connector

To use a system console to configure and manage the Routing Engine, connect it to the
appropriate port on the CIP. To use a laptop, modem, or other auxiliary device,
CONSOLE
connect it to the appropriate
(EIA-232) serial cable with a DB-9 female connector. One DB-9/DB-9 cable is provided
with the router. To connect a device to the
port, you must supply another cable.
AUXILIARY
To connect a management console or auxiliary device:
Turn off the power to the console or auxiliary device.
1.
Connect one end (shown in Figure 70 on page 119) of a serial cable with a DB-9 female
2.
connector into the appropriate
connect to the Routing Engine in the upper Routing Engine slot (
labeled connect to the Routing Engine in the lower Routing Engine slot (
HOST 1
Using a 2.5-mm flat-blade screwdriver, tighten the screws on the connector.
3.
Attach the other end of the cable to the console or auxiliary device.
4.

Figure 70: Console and Auxiliary Serial Port Connector

To connect the router to external alarm-reporting devices, attach wires to the
and relay contacts on the CIP. A system condition that triggers the red
YELLOW ALARM
or yellow alarm LED on the craft interface also activates the corresponding alarm relay
contact.
The terminal blocks that plug into the alarm relay contacts are supplied with the router.
They accept wire of any gauge between 28-AWG and 14-AWG (0.08 and 2.08 mm
which is not provided. Use the gauge of wire appropriate for the external device you are
connecting.
Chapter 12: Connecting the T640 Router to External Devices
port on the CIP. The ports labeled
RE0
port on the CIP. Both ports accept an RS-232
AUXILIARY
CONSOLE port, and another device to the
or
CONSOLE AUXILIARY
connect to the
HOST 0
), and the ports labeled
HOST 1
RE1 ).
port. The ports labeled
HOST 0
RE0 ), and the ports
RED ALARM
).
RE1
2
),
119