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Impulse 3055 User Manual

Page 11

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Card

Setup

Sealevel Systems ULTRA-485 Page

8

SIO-485

With the 5-position shunt in the SIO-485 mode, the ULTRA 485 is compatible
with the Sealevel Systems SIO-485 (part# 3054) with the following signals
supported:

EIA-530

E4

SIO-485

Figure 7 - DIP-shunt E4 (SIO-485 Mode)

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Signal

Name

Pin

# Mode

GND

Ground

7

TDB

TX+

Transmit Positive

24

Output

TDA

TX-

Transmit Negative

25

Output

RDB RX+

Receive

Positive

12 Input

RDA RX-

Receive

Negative

13 Input