A-2
A
PPENDIX
A: T
ECHNICAL
S
PECIFICATIONS
Interface
Specifications
Console Port
Line A and Line B E3
Ports
Electrical Specification:
RS-232-C (EIA/TIA-232-E standard)
Connector:
RJ-45, 8 position modular jack
Configuration:
Data Terminal Equipment (DTE)
Transmission Method:
Unbalanced RS-232
Transmission Rate:
38,400 bps maximum
Electrical Specification:
E3 interface
Connectors:
BNC coaxial connectors; one transmit (TX) and
one receive (RX)
Transmission Media:
75 ohm (nominal impedance) coaxial cable
Timing Source:
User selectable between:
■
Internal
■
Network
Framing:
■
ATM Direct Mapping (ADM)
■
Physical Layer Convergence Protocol (PLCP)
Line Coding:
High Density Bipolar 3 Zeroes (HDB3)
