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GE Grid Solutions
2.6 D20 Modems
The D20 modems handle communications to the host computer or other intelligent device.
Special modem requirements can be addressed through the use of third-party modems, which are
connected to the D20/D200 through external RS-232 connections. Refer to Table 22 for details.
Modem
WESDAC 202/V.23
Telenetics V.3600
Telenetics MIU9.6FPD,
MIU/PowerPort9.6FPD
Telenetics Chassis-mount
GE Information
Table 22 D20/D200 Modems
•
1200 bps Bell 202 or CCITT V.23
•
Designed for 300 to 1200 bps asynchronous operation
on unconditioned lines
•
Available as a 19" rack-mount assembly (GE Part
Number 520-0090), or as a 3U vertical-mount module
that can be installed in the D20/D200 chassis (GE Part
Number 520-0120).
•
V.34/V.42.bis
•
2-wire, full-duplex dial-up or leased line; 4-wire, full-
duplex leased line
•
Data rates up to 33.6 kbps
•
o
0 to +50
C, 0 to 95% non-condensing
•
Substation hardened, surge protected
•
2-wire half duplex, 4-wire full duplex
•
Data rates up to 57.6 kbps
•
o
-40 to +85
C, 0 to 95% non-condensing
•
Point-to-point, or multipoint configurations
•
Dial-up or leased line
•
2-wire or 4-wire
•
Various versions available, up to 57.6 kbps
PRPI-019-3.00-10
D20/D200 Technical Overview
Specifications
67
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