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