Data Connect DSP19.2 Instrukcja Użytkownika Pobierz pdf (Strona 27)

Specifications

27 User’s Manual - DSP19.2 Fast Poll Modem

Mechanical Specifications

Enclosure:

Aluminum with removable front and rear panels

Dimensions:

5.0” wide x 6.5” long x 1.30” high

Weight:

1.0 lbs without AC to DC power converter module

Interface connectors

Leased Line:

5-position screw terminal (includes earth ground)

Data Terminal Equipment:

DB-9 female connector (for RS-232)

RJ-11C module jack (for RS485)

Interface Connector Pin Assignments

Table B-1. Leased Line Terminal Block Pin Assignments

This Pin Number… Corresponds to This Signal…

1 Rx

2 Rx

3 Tx

4 Tx

5 Earth Ground (optional)

NOTE:

When 2-wire half-duplex is used, the TX pair must be used for both transmit

and receive.

Figure 2-9. Back-to-Back Connection to a Second Modem

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Data Connect DSP19.2 Instrukcja Użytkownika Strona 27