Loading...

Data Connect DDS64-CDSU

SKU: 1970 Category:

$395.00

Description

The Data Connect DDS64-CDSU is designed for 56 or 64 Kbps synchronous operation over 4-wire point-to-point or multi-point digital leased lines.  The DDS64-CDSU can also be used as a line-driver over customer owned wire for links up to 5 miles.  The DDS64-CDSU is very simple to set up. For the typical application, the DDS64-CDSU can be attached to the phone line, plugged in, and be in operation in minutes. 

Additional information

Weight 0.00 lbs
Dimensions 0.00 × 0.00 × 0.00 in

Reviews

There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

  • Easy Setup
  • Default Configuration covers 90% of Typical Applications
  • 56 or 64 Kbps Synchronous Operation
  • Telephone Company Digital Line use or Local Line Driver
  • Reset Push Button
DIGITAL LINE RATE 56 or 64 Kbps
Bi-Polar Non-Return-to-Zero Modulation
135 ohm +/- 10% Transmit Impedance
Transmit Level @ 135 ohm Load, 56 Kbps, 1.4v peak
135 ohm +/- 10% Receive Impedance
Receive Level Sensitivity, -49 dB
Automatic Equalization
DATA RATES Synchronous Rate of 56 or 64 Kbps 
OPERATING MODES Dedicated Digital Service
Short Haul Modem
Point-to-Point
Point-to-Multipoint
TRANSMISSION LINE 4-Wire Leased Line, Telephone Company Digital Line (DDS)
4-Wire in-house 2-Twisted Pair, for Line Driver
DEFAULT CONFIGURATION All Five Dipswitches Down, (Located Behind an Access Panel on the Right Side of the Unit)
56 Kbps
Slave Clock (Phone Company Timing)
Internal Transmit Clock RTS Normal 
FRONT PANEL LEDs Power, Transmit Data, Receive Data, Request to Send, Clear to Send, Carrier Detect, Test
LOOPBACKS Local Bidirectional (Toward Terminal & Toward Phone Line)
Telco Initiated CSU or DSU Loopback
Test Light  (On when Loopbacks are in Use) 
RESET SWITCH Push Button Switch (Located Behind an Access Panel on the Right Side of the Unit) 
CONNECTORS Telco – RJ-48S, RS232D – DB-25 Female, V.35 – M34 Female 
PHYSICAL 10-1/4” W x 9-3/4” D x 2-1/2” H, 1Lb.
ELECTRICAL -48 Volts DC
TELCO JACK (RJ-48S)
PIN SIGNAL
1 Transmit Data
2 Transmit Data
7 Receive Data
8 Receive Data
RS232D/V24 INTERFACE (DB-25S)
PIN SIGNAL NAME  –  IN/OUT
1 Frame Ground
2 Transmit Data – IN
3 Receive Data – OUT
4 Request to Send – IN
5 Clear to Send – OUT
6 Data Set Ready – OUT
7 Signal Ground
8 Data Carrier Detect – OUT
15 Transmit Bit Clock – OUT
17 Receive Bit Clock – OUT
24 External Transmit Clock – IN
V.35 INTERFACE (M34 FEMALE)
PIN SIGNAL NAME – SIGNAL SOURCE
A Frame Ground
B Signal Ground
C Request to Send – Terminal (Unbalanced)
D Clear to Send – DSU (Unbalanced)
E Data Set Ready – DSU (Unbalanced)
F Data Carrier Detect – DSU (Unbalanced)
P Transmit Data A – Terminal (Balance)
S Transmit Data B – Terminal (Balance)
R Receive Data A – DSU (Balanced)
T Receive Data B – DSU (Balanced)
Y Transmit Clock A – DSU (Balanced)
AA Transmit Clock B – DSU (Balanced)
U Terminal Timing A – DSU (Balanced)
W Terminal Timing B – DSU (Balanced)
V Receive Clock A – DSU (Balanced)
X Receive Clock B – DSU (Balanced)
MODEL NUMBER DESCRIPTION
DCE/DDS64-CDSU 56/64 Kbps DDS Unit with 1-RS232 & 1-V.35