GE D20 - D.20 Interface Modules and Splitters; D.20 Splitter Jumper Settings

D20/D200 Technical Overview
GE Grid Solutions
68
PRPI-019-3.00-10 GE Information
Modem Specifications
Westermo TD-34
• Designed for extreme industrial environments
• 2-wire half duplex, 4-wire full duplex
• Data rates up to 33.6 kbps
• -40 to +70
o
C, 0 to 95% non-condensing
• 35 mm DIN-rail mounting
2.6.1 WESDAC 202/V.23 Modem Specifications
Table 23 WESDAC 202/V.23 Modem Specifications
Item Description
Mounting
• Chassis (520-0120)
• Rack (520-0090)
Standards Jumper configurable for:
• Bell 103 and 202
• CCITT V.23
Circuits
• 2 wire half-duplex
• 4 wire half- or full-duplex
Equipment Interface RS-232/CCITT V.24 data interface
Data Rate 300 and 1200 bps
Transmit and Receive
Frequencies
• Bell 202: Mark 1200 Hz, Space 2200 Hz
• CCITT V.23: Mark 1300 Hz, Space 2100 Hz
Transmit Output Level
• -45 dBm to +2.0 dBm
• Continuous or RTS-keyed
Receive Sensitivity
• Jumper configurable for steps -42, -36, -30, -24, -18, or -12 dBm
• 5 dB typical carrier dropout hysteresis
Soft Carrier Turn-Off
• WESDAC 202/V.23 (vertical): Fixed at 8 ms
• WESDAC 202/V.23 (rack): 24 ms, optional 7910 chip
• Soft carrier frequency 900 Hz
DCD on Detection of
Carrier
3 to 7 ms maximum
DCD on Loss of Carrier 3.4 to 11.3 ms maximum
CTS Delay after RTS
• 8 ms
• RTS - CTS delay set on software
Line Impedance 600 ohms
LED Indicators Tx, Rx, DCD, RTS (all RED)