Aethra d2001 nx 用户手册
USER’S MANUAL
ISDN TESTER AND ANALYZER D2001
NX
CHANNEL STRUCTURE
2B + D
LINE CODE
Modified AMI
COMPLIANCE
CCITT (ITU-T) Rec. I.430, ETS 300 012
TOTAL BIT RATE
192 Kb/s
NET BIT RATE
144 Kb/s
CONNECTOR
RJ 45 (ISO 8877), pin 3, 6, 4, 5
IMPEDANCE
menu-selectable, high impedance or
100
100
Ω
Layer 1, U Interface
PHYSICAL INTERFACE
2-wire line bus
TRANSMISSION METHOD
transmission with echo cancellation
CHANNEL STRUCTURE
2B + D
2B1Q LINE CODE
complies with ETR 080 (and DRAFT
release TS 101 080 V.1.3.1) and ANSI
TI.601 (1988)
release TS 101 080 V.1.3.1) and ANSI
TI.601 (1988)
NET DATA RATE
144 Kb/s
CONNECTOR
one RJ45 (ISO 8877) connector for
both interfaces, pin 4 and 5
both interfaces, pin 4 and 5
Layer 2
PROTOCOL
CCITT (ITU-T) Rec. Q.921 complies
with ETS 300 125
with ETS 300 125
Layer 3
PROTOCOL
CCITT (ITU-T) Rec. Q.931 complies
with ETS 300 102-1/2
with ETS 300 102-1/2
OTHER SUPPORTED PROTOCOLS 1TR6, Q.SIG, X.25, VN4
CHAPTER 11 - SPECIFICATIONS
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