Dual-Port Serial With Isdn Bri Chassis - Juniper J2300 Getting Started Manual

J2300, J4300, and J6300 Services Router Getting Started Guide
Table 18: Status LED for Serial Ports
Color
Green
Red
Unlit

Dual-Port Serial with ISDN BRI Chassis

The J2300 Dual-Port Serial with ISDN BRI chassis has two Fast Ethernet LAN
ports, two serial WAN ports, and one ISDN BRI U (Figure 16) or S/T (Figure 17)
port. The ISDN BRI interface is the backup interface to the primary serial
interface and provides failover support for a serial connection.
Figure 16: J2300 Serial with ISDN BRI U Chassis
J2300
ALARM
POWER ON
Figure 17: J2300 Serial with ISDN BRI S/T Chassis
J2300
ALARM
POWER ON
The serial with ISDN BRI S/T or U interface chassis provides the
following key features:
42
J2300 Chassis with Fixed PIMs
State
On steadily
On steadily
Off
USB
CONFIG CONSOLE
USB
CONFIG CONSOLE
Onboard network processor
Autoselection of operation modes based on data terminal equipment (DTE)
or data communication equipment (DCE) cables
Local and remote loopback diagnostics
Configurable clock rate for the transmit (Tx) clock and receive (Rx) clock
Bandwidth on demand
Dial backup
Dial-on-demand routing backup
Description
Online with no alarms or failures.
Active with a local alarm. The router has detected a
failure.
Offline.
PORT 4
STATUS
SYNC
SERIAL
PORT 0 PORT 1 STATUS PORT 2
PORT 4
STATUS
SYNC
SERIAL
PORT 0 PORT 1 STATUS PORT 2
STATUS
PORT 3
STATUS
PORT 3