
2001 RAD Data Communications Ltd. Specifications are subject to change without prior notice.
FCD-NTU
Intelligent NTU
172-101-02/01
SPECIFICATIONS
DATA PORTS
•
Number of Data Ports
Two (one network and one user)
•
Interface
V.35, X.21, G.703
•
Connectors (per port)
!
V.35: 34-pin female
!
X.21: 15-pin D-type female
!
G.703:
balanced (120Ω): 8-pin RJ-45
unbalanced (75Ω): 2-coax type
•
Data Rate
V.35 and X.21: 56 kbps to
2.048 Mbps
G.703: 2.048 Mbps
•
Clock Modes
DCE: RX and TX clock to DTE
•
Control Signals
!
V.35
network: DSR, DCD, CTS
user: RTS, DTR
!
X.21
network: indication
user: control
!
G.703: LOS
CONTROL PORT (DCE)
•
Interface
V.24/RS-232
•
Connector
9-pin D-type, female
•
Format
Asynchronous
•
Baud rate
1.2 to 19.2 kbps, autobaud
•
Character
8 bit no parity, 7 bit odd or even
parity
GENERAL
•
Diagnostics
General:
!
Alarm-in indication
!
Alarm-out indication
Network link:
!
Local and remote loopback
!
Network clock detection
!
Inband code activated loopback
!
Network link BER test
User link:
!
Local and remote loopback
•
Indicators
!
General: PWR (green), TST
(yellow), ALM (red)
!
V.35 (all yellow)
network: DSR, DCD, CTS
user: RTS, DTR, TD, RD
!
X.21 (all yellow)
network: IND
user: CNT, TD, RD
!
G.703
network: LOS (red)
user: LOS (red), TD, RD ( yellow)
•
Alarms
Last 100 alarms are stored and
available for retrieval. Each alarm
is time stamped.
•
Alarm Relay
Connector with three relay
contacts
•
Alarm In
RS-232 signal level connector with
three relay contacts
•
Physical
Height: 4.3 cm / 1.7 in
Width: 21.5 cm / 8.5 in
Depth: 24.3 cm / 9.5 in
Weight 1.3 kg / 2.9 lb
•
Power
100 to 240 VAC; 47-63 Hz
-48 VDC, nominal (-36 VDC to
-72 VDC)
•
Environment
Temperature: 0-50°C / 32-122°F
Humidity: up to 90%,
non-condensing
ORDERING
FCD-*/AC/*
Intelligent NTU
* Specify interface link
V35 for V.35 interface
X21 for X.21 interface
G703 for G.703 interface
End-to-End Management of E1 Access Services
APPLICATION
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