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1-Port Clear Channel DS3/E3 GPIM Key Features
The 1-Port Clear Channel DS3/E3 Gigabit-Backplane Physical Interface Module (GPIM) provides the
following key features:
Framed and unframed DS3/E3 modes
Line encoding for DS3/E3 modes
Support for Frame Relay, PPP, and HDLC serial encapsulation protocols
External and internal clocking support
Support for DS3/E3 network alarms
Support for chassis clusters
Support for anti-counterfeit check
Loopback (local, remote, and payload) and BERT, PRBS, and QRSS diagnostics support
Support for generation and detection of loopback control codes (line-loopback activate and deactivate)
and FEAC codes
Maximum transmission unit (MTU) size of 4474 bytes (default) and 9192 bytes (maximum)
1-Port Clear Channel DS3/E3 GPIM Hardware Specifications
The 1-Port Clear Channel DS3/E3 Gigabit-Backplane Physical Interface Module (GPIM) has the hardware
specifications listed in
Table 41 on page
Table 41: 1-Port Clear Channel DS3/E3 GPIM Hardware Specifications
Description
Dimensions (H x W x L)
Weight
Connector type
Form factor
Environmental operating temperature
79.
Value
0.76 in. x 6.72 in. x 8.52 in.
(19.2 mm x 170.8 mm x 216.4 mm)
1.11 lb (0.504 kg)
DSX3 interface with dual 75-ohm BNC coaxial socket
connectors (separate Tx/Rx)
Single-high, single-wide GPIM
32°F through 104°F (0°C through 40°C)
79
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