Juniper Networks J2320 Network Router User Manual


 
For alarms, see the configuring and monitoring alarms information in the J-series
Services Router Administration Guide.
G.SHDSL PIM
The G.SHDSL PIM (Figure 40 on page 66) provides symmetric high-speed digital
subscriber line (SHDSL) physical interfaces to ATM network media types. The G.SHDSL
PIM has two ports for ATM-over-SHDSL connections.
Figure 40: G.SHDSL PIM
The G.SHDSL PIM supports the following key features:
Onboard network processor
2-port two-wire mode and 1-port four-wire mode
Programmable line rates in both modes:
2-port two-wire mode supports autodetection of line rate and fixed line rates
from 192 Kbps to 2.304 Mbps in 64-Kbps increments.
1-port four-wire mode supports fixed line rates from 384 Kbps to 4.608 Mbps
in 128-Kbps increments.
32 virtual channels per PIM
ATM-over-G.SHDSL framing
Dying gasp notification
Local and remote loopback diagnostics
ITU-T G.991.2, ITU-T G.994.1, and ITU-T G.997.1 standards compliance
NOTE: Payload loopback functionality is not supported on ATM-over-SHDSL interfaces.
For pinouts of cable connectors for G.SHDSL PIMs, see ADSL and G.SHDSL RJ-11
Connector Pinout on page 240.
To install or remove a PIM, see Replacing a PIM on page 174.
The G.SHDSL PIM has two LEDs to indicate the status of the PIM and its ports.
Table 33 on page 67 describes the meaning of the LED states.
66 Field-Replaceable PIMs
J2320, J2350, J4350, and J6350 Services Router Getting Started Guide