Kentrox D-SERV
II 56 64 DSU CSU
Kentrox D-SERV II 56/64 DSU/CSU
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Kentrox D-SERV II 56/64 DSU/CSU
Description
D-SERV® II 56/64 kbps DSU/CSU from Kentrox supports high-speed LAN-to-LAN internetworking, video-conferencing services, Frame Relay, and Internet access. The D-SERV II provides a high quality, economical solution for the network termination of 56/64 kbps clear channel digital services. Easy to use and configure, the D-SERV II installs in minutes, providing plug-and-play operation for most common services. It features a built-in test pattern generator and error indicator along with a full complement of front-panel LED indicators affording “at-a-glance” system monitoring. On multi-point networks, the anti-streaming feature of the D-SERV II prevents a streaming DTE from affecting communications to operating network sites.
Features
• Provides low-cost DDS service termination
• Easy to use and configure—all options set by easily accessible DIP switches
• Industry standard, 34-pin V.35 DTE interface connector
• Switch-selectable data rates of 56 or 64 kbps
• Industry-compatible diagnostics allow mix and match with other vendors’
products
• Supports standard DDS and V.54-compliant loopbacks
• Anti-streaming
• Internal power supply
• 5-year manufacturer’s warranty Features
Ordering Information
Specifications
GENERAL
Data Rates: 56 kbps and
64 kbps synchronous
Operating Modes: 4-wire full duplex, half duplex, or simplex
NETWORK INTERFACE
Connector: Modular
8-pin jack, USOC RJ48S
Modulation: Bipolar return-to-zero, 50% duty cycle pulses
Output Impedance: 135 ohms (+/-10%)
Output Pulse: 50% duty cycle; 1.5 volts peak into 135 ohm load
Output Power: +/-6.0 dBm at 135 ohm resistive load
Input Impedance: 135 ohms (+/-10%)
Input Level: +6.0 to -40 dBm
DATA PORT INTERFACE
Bit Rate: 56 kbps or 64
kbps
Electrical: CCITT V.35 functional as DCE
Mechanical: V.35 34-pin M-block female
POWER
AC Input Range: 109 to 129 VAC, 57 to 63 Hz, 8 Watts maximum
DIAGNOSTICS
LEDs: TxD, RxD, RTS,
CTS, Link, DCD, Test, OOS
Loop Tests: Digital loopback Analog loopback Remote loopback
BERT Test: 2047 test pattern
PHYSICAL
Size: 1.75" H x 6.00" W
x 8.00" D
Weight: 3.5 lbs.
ENVIRONMENT
Operating Temperature:
0° to 50° C
Operating Humidity: 0% to 95% at 50° C
COMPATIBILITY
AT&T: PUB 62310
REGULATORY: FCC Part 15, EMI/RFI
FCC 68
NRTL listed to UL1950
KENTROX PRODUCTS