Juniper Networks J2320 사용자 설명서
Table 25: Status LEDs for Serial Ports
Description
State
Color
Online with no alarms or failures.
On steadily
Green
Active with a local alarm. The router has
detected a failure.
detected a failure.
On steadily
Red
Offline.
Off
Unlit
For alarms, see the configuring and monitoring alarms information in the J-series
Services Router Administration Guide.
Services Router Administration Guide.
Dual-Port T1 or E1 PIM
The Dual-Port T1 PIM (Figure 29 on page 56) and Dual-Port E1 PIM
(Figure 30 on page 56) provide a physical connection to T1 or E1 network media
types. Each PIM has two physical T1 or E1 ports with an integrated channel service
unit (CSU) or data service unit (DSU).
(Figure 30 on page 56) provide a physical connection to T1 or E1 network media
types. Each PIM has two physical T1 or E1 ports with an integrated channel service
unit (CSU) or data service unit (DSU).
Figure 29: Dual-Port T1 PIM
Figure 30: Dual-Port E1 PIM
The Dual-Port T1 and E1 PIMs provides the following key features:
■
Onboard network processor
■
Integrated CSU/DSU—Eliminates the need for a separate external device
■
56-Kbps and 64-Kbps modes
■
ANSI T1.102, T1.107, and T1.403 standards compliance
56
■
Field-Replaceable PIMs
J2320, J2350, J4350, and J6350 Services Router Getting Started Guide