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HCD-E1 Installation & Operation Manual Chapter 1 - Introduction
01/01/01 08:07 Technical Specifications 1-25
Signal Levels
Transmit Levels
- Balanced interface: ±3V ±10%
- Unbalanced interface: ±2.37V ±10%
Receive LEVELS
0 to -10 dB
Jitter Performance
Per ITU G.823
Connectors
- Balanced interface: 8-pin RJ-45 female
connector
- Unbalanced interface: two BNC coaxial
connectors
Data Channel
Interface
Data Rate
Multiples of 56 or 64 kbps, up to 2.048 Mbps
Interface Connectors
RS-530
25-pin D-type female
V.35
34-pin male (via adapter cable)
RS-449/V.36
37-pin D-type male (via adapter cable)
X.21
15-pin D-type male (via adapter cable)
IR-ETH
RJ-45 (10BaseT) or BNC (10Base2)
IR-ETH/Q
RJ-45
IR-IP
RJ-45
Statistics
(Performance
Monitoring)
E1 Sublink with CRC-4
E1 Sublink without CRC-4
Per ITU G.706
Bipolar violations (BPV)
HDSL Performance
Per ITU G.826
Front Panel
Controls
LCD
Push Buttons
2 rows × 16 characters
CURSOR, SCROLL, ENTER
Indicators
E1 Sublink
E1 LOS - LOC
E1 LOS - REM
HDSL Lines
HDSL LOS - LINE A
HDSL LOS - LINE B
Status
TST
ALM