Terminations:
Station:
Standard 50-pin male connectors for connection to
external distribution field.
Line:
Standard, 6-conductor mini-jack (USOC 14C)
Serial Data Ports:
CPU Board
1 at 9600 bps, 1 at 2400 bps
Com Card on Services Board
4 at maximum of 19,200 bps
Com Card on Auxiliary Board, or
Upper or Lower Interface Board
4 at maximum of 9600 bps
Format
Serial, pseudo RS-232C
Parity
None, Even, Odd (Programmable)
Data Bits
7 or 8 (programmable)
Stop Bits
1 or 2 (programmable)
Baud Rate
Programmable in class of service
Handshaking
X on - X off
Hardware—CTS and RTS, None
Cable Length (serial data ports)
25 feet for dedicated serial ports on CPU board
50 feet com card on services board at 19,200 baud
500 feet com. card on auxiliary or
interface boards at 9600 baud
Music Interfaces (Two Inputs):
Input Level
3 Volts peak-to-peak maximum
Input Impedance
Approximately 500 Ohms
Connector
Modular jack
PA Port:
Output Level
400 Millivolts peak-to-peak (typical speech)
Output Impedance
Approximately 500 Ohms
Connector
Modular jack
Central Office Limits:
Loop Limits
1900 Ohms maximum loop
Cable Insulation Leakage
15,000 Ohms minimum
Industry/Regulatory Standards:
FCC Certified, Part 15 (Class A)
FCC registered (fully protected)
LISTED by OSHA-accredited, nationally recognized,
test laboratory
EIA RS478
Bell publication 02 guidance
Hearing aid compatible handset
DXP Plus General Description
GCA40–130
Knowing The Specifications – 39