3Com Router 3012 Installation Manual page 18
Router 3000 series
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Also See for Router 3012:
- Command reference manual (101 pages) ,
- Release note (7 pages) ,
- Installation manual (72 pages)
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18
C
1: I
HAPTER
NTRODUCING THE
R
3000 F
OUTER
AMILY
Table 21 Attributes of the CT1/PRI Port (continued)
Attribute
CT1/PRI Description
Operating mode
Channelized T1
Fractional T1
ISDN PRI
Services
Backup
Terminal access
ISDN
Protocols
PPP
MP
HDLC
LAPB
X.25 (ITU-T X series Recommendations)
Frame Relay
Q.921
Q.931
Q.SIG
E1/CE1/PRI Description
E1
Channelized E1
Fractional E1
ISDN PRI
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