Zhone 2000 ユーザーガイド

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E1
Network Interface:
RJ48
Line Rate:
2.048 Mbps (
±50 bps) unframed
Line Framing:
CAS, CCS, or 2 Mbits unframed
Line Code:
AMI or HDB3 
Input Signal:
E1, +1 to 
−27 dB
Connection:
RJ48 jack at 120 
Ω (±10 %)
Output Signal:
3.0 V (
±10 %) base-peak into 120 Ω 
with protection 
Transient Voltage:
1000 V protection, fused input/output 
Jitter Control:
per G.823 Sections 2.1 and 3.0
Ones Density:
HDB3, alternate fill; complies with G.701 
and G.703
T1/E1 Provisioning (2208s Only)
Provisioning:
Fractionally multiplexed voice and data 
(s-version only)
Programming:
On a DS0 basis
ATM
Adaptation Layers:
AAL2 (voice), AAL5 (data), AAL5 (for 
layer 3 voice)
Encapsulation:
RFC 1483 multiprotocol encapsulation 
over ATM; RFC 2364 (PPP over ATM); 
ITU 366.1, ITU 366.2 (AAL2)
AAL2 Profiles (non-“s” Version):
ATM: 9, 10, 11, and ITU:1
AAL2 Profiles (“s” Version):
ATM: 7, 8, 9, 10 11, 12, and ITU: 1, 2
Voice:
Single AAL2 PVC
Data:
Up to 8 AAL5 PVCs
Security:
Software-configurable payload scrambling
Voice QoS:
CBR, VBR-rt
Data QoS:
CBR, UBR
OAM Cell Handling:
F4/F5 segment and end-to-end loopbacks
Frame Relay
Encapsulation:
RFC 1490 multiprotocol encapsulation 
over Frame Relay
Voice:
Single PVC
Data:
8 Data Link Identifiers (DLCIs)
Data Link Format:
Q.922
Data Link Control:
FRF.12 support, CMCP
Framing:
HDLC support