Dual-Port T1 Or E1 With Isdn Bri Chassis - Juniper J2300 Getting Started Manual

J2300, J4300, and J6300 Services Router Getting Started Guide
The T1 or E1 chassis provides the following key features:
For pinouts of cable connectors for the network ports, see "Network Cable
Specifications and Connector Pinouts" on page 201.
For alarms, see configuring and monitoring alarms information in the
J-series Services Router Administration Guide.
Table 17 describes the meaning of the LEDs for a Fast Ethernet port, and Table 21
describes the meaning of the status LED for a T1 or E1 port.
Table 21: Status LEDs for T1 and E1 Ports
Color
Green
Red
Unlit

Dual-Port T1 or E1 with ISDN BRI Chassis

The J2300 Dual-Port T1 or E1 with ISDN BRI chassis has two Fast Ethernet
LAN ports, two T1 or E1 WAN ports, and one ISDN BRI port. The ISDN
BRI interface is the backup interface to the primary T1 or E1 interface and
provides ISDN failover support for a T1 or E1 connection.
The E1 chassis has an ISDN BRI S/T port (Figure 20), and the T1 chassis
has an ISDN BRI U port (Figure 21).
44
J2300 Chassis with Fixed PIMs
Onboard network processor
Integrated CSU/DSU—Eliminates the need for a separate external device
Framed, unframed (E1 only), and fractional operational modes
56-Kbps and 64-Kbps modes
ANSI T1.102, T1.107, and T1.403 standards compliance
G.703, G.704, and G.706 E1 standards compliance
Independent internal and external clocking system
Local and remote loopback, bit error rate test (BERT), T1 facilities data link
(FDL), and long buildout diagnostics
State
On steadily
On steadily
Off
Description
Online with no alarms or failures.
Active with a local alarm. The router has detected a
failure.
Offline.