Juniper T320 Manual page 94

T320 Core Router Interface Module Reference
Cables and connectors
78
Unframed in-band loopback at CSU
Unframed in-band loopback at Smartjack (ANSI)
You can configure the following framing modes using the CLI:
T1—SF (D4/superframe), ESF (extended superframe)
E1—G704, G704–no-crc4, unframed
Packet buffering, Layer 2 parsing
Local line, remote line, and remote payload loopback testing; each channel can be looped
individually and independently of other channels (DS1/E1 channels)
Simple Network Management Protocol (SNMP): T1 MIB (RFC 1406)
Dynamic, arbitrary channel configuration
Full bit error rate test (BERT)
Clocking: internal and loop (clock recovered from network and use for transmit). Internal timing
is the default for channelized T1 ports. The external master clock can be a multiple of 2.048
MHz or 1.544 MHz for E1 or T1 operation.
Line coding:
T1—CLI configurable as AMI or B8ZS
E1—HDB3
Encapsulations:
Circuit cross-connect (CCC)
Translational cross-connect (TCC)
Extended Frame Relay for CCC and TCC
Flexible Frame Relay
Frame Relay
Frame Relay for CCC
Frame Relay for TCC
Frame Relay port CCC
High-Level Data Link Control (HDLC)
HDLC framing for CCC
HDLC framing for TCC
MPLS CCC
MPLS TCC
Point-to-Point Protocol (PPP)
PPP for CCC
PPP for TCC
Encapsulations available only for DS0 and DS1:
Multilink Frame Relay end-to-end (MLFR FRF.15)
Multilink Frame Relay (MLFR) UNI NNI (MFR FRF.16)
Multilink PPP (MLPPP)
Encapsulations available only for DS1:
PPP over Frame Relay
120-ohm RJ-48C connector (female)
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