Quad CT1/E1 GPIM Network Interface Specifications
The Quad CT1/E1 Gigabit-Backplane Physical Interface Module (GPIM) provides the
network interface specifications specific to T1 or E1 modes, listed in Table 65 on page 159.
Table 65: Quad CT1/E1 GPIM Network Interface Specifications
E1 ModeT1 ModeDescription
Network Interface Specifications
HDB3AMI/B8ZSLine encoding
•
Framed clear channel (64
Kbps)
•
Unframed clear channel
Framed clear channelMode
•
G704
•
G704 with no CRC4
•
G703 Unframed
•
Superframe (D4/SF)
•
Extended Superframe (ESF)
Fractional framing
HDLC Features
(E1:N=1 to 31)(T1:N=1 to 24)N x 64 Kbps or N x 56
Kbps, nonchannelized
data rates
16/3216/32CRC
SupportedSupportedShared flag
SupportedSupportedIdle flag/fill
Runts, Giants, FCS, Error, Abort
Error, Align Error
Runts, Giants, FCS, Error, Abort
Error, Align Error
Counters:
Related
Documentation
Quad CT1/E1 GPIM Overview on page 157•
• Quad CT1/E1 GPIM Key Features on page 158
• Quad CT1/E1 GPIM Hardware Specifications on page 159
• Quad CT1/E1 GPIM LEDs on page 160
• Quad CT1/E1 GPIM Components on page 161
• Quad CT1/E1 GPIM Basic Configuration on page 161
Quad CT1/E1 GPIM Hardware Specifications
The Quad CT1/E1 Gigabit-Backplane Physical Interface Module (GPIM) has the
specifications listed in Table 66 on page 160.
159Copyright © 2012, Juniper Networks, Inc.
Chapter 17: Quad CT1/E1 GPIM
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