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SP505_00_08308

SP505 Receiver Mode Selection

SP505 Driver Mode Selection

Pin Label

RD(a)

RD(b)

RT(a)

RT(b)

CS(a)

CS(b)

DM(a)

DM(b)

RR(a)

RR(b)

IC(a)

IC(b)

SCT(a)

SCT(b)

Pin Label

Mode:

RS232

V.35

RS422

RS449

EIA530

EIA-530A

V.36

0000

0010

1110

0100

0101

1100

1101

1111

0110

SD(a)

tri-state

V.28

V.35–

V.11–

V.11–

V.11–

SD(b)

V.35+

V.11+

V.11+

V.11+

TR(a)

tri-state

V.28

V.11–

V.11–

V.11–

V.10

TR(b)

tri-state

tri-state

tri-state

V.11+

V.11+

V.11+

tri-state

RS(a)

tri-state

V.28

V.11–

V.11–

V.11–

RS(b)

tri-state

tri-state

tri-state

V.11+

V.11+

V.11+

RL(a)

tri-state

V.28

V.11–

V.11–

V.10

RL(b)

tri-state

tri-state

tri-state

V.11+

V.11+

tri-state

LL(a)

tri-state

V.28

V.11–

V.11–

V.10

LL(b)

tri-state

tri-state

tri-state

V.11+

V.11+

tri-state

ST(a)

tri-state

V.28

V.35–

V.11–

V.11–

V.11–

ST(b)

V.35+

V.11+

V.11+

V.11+

TT(a)

tri-state

V.28

V.35–

V.11–

V.11–

V.11–

TT(b)

V.35+

V.11+

V.11+

V.11+

tri-state

tri-state

tri-state

tri-state

tri-state

tri-state

V.28

V.28

V.28

V.28

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

tri-state

V.11–

V.11+

V.11–

V.11+

V.10

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.10

tri-state

V.10

tri-state

V.11–

V.11+

V.10

tri-state

V.10

tri-state

V.10

tri-state

V.11–

V.11+

V.11–

V.11+

Mode:

RS232

V.35

RS422 w/Term

RS422

RS449

EIA530

EIA-530A

V.36

0000

0010

1110

0100

0101

1100

1101

1111

0110

V.28

V.35–

V.11–

V.11–

V.11–

V.35+

V.11+

V.11+

V.11+

V.28

V.11–

V.11–

V.11–

V.11+

V.11+

V.11+

V.28

V.11–

V.11–

V.11–

V.11+

V.11+

V.11+

V.28

V.11–

V.11–

V.11+

V.11+

V.28

V.11–

V.11–

V.11+

V.11+

V.28

V.11–

V.11–

V.11+

V.11+

V.28

V.35–

V.11–

V.11–

V.11–

V.35+

V.11+

V.11+

V.11+

V.28

V.28

V.28

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.10

V.10

V.10

>10kΩ to GND

>10kΩ to GND

>10kΩ to GND

>10kΩ to GND

>10kΩ to GND

>10kΩ to GND

>10kΩ to GND

>10kΩ to GND

>10kΩ to GND

>10kΩ to GND

>10kΩ to GND

>10kΩ to GND

>10kΩ to GND

>10kΩ to GND

>10kΩ to GND

>10kΩ to GND

>10kΩ to GND >10kΩ to GND

>10kΩ to GND

>10kΩ to GND

>10kΩ to GND

>10kΩ to GND

>10kΩ to GND

>10kΩ to GND

>10kΩ to GND

>10kΩ to GND

>10kΩ to GND

V.11–

V.11+

V.11–

V.11+

>10kΩ to GND

>10kΩ to GND

V.10

V.10

>10kΩ to GND

V.10

>10kΩ to GND

V.10

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

>10kΩ to GND

V.10

V.35–

V.35+

V.28

>10kΩ to GND

V.11–

V.11+

3

0

DEC – DEC

3

0

DEC – DEC

RS422 w/Term

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

Table . SP505 Driver Decoder Table

Table 2. SP505 Receiver Decoder Table

The SP505 was externally tested by TUV

Telecom Services, Division of TUV Rhein-

land, and passed both NET/2 and TBR2

NET/2 and CTR2/050/98 for TBR2)

can be furnished

upon request.

Please note that although the SP505 ad-

heres to NET/2 testing; any complex or

unusual configuration should be double-

checkedtoensureNETcompliance. Consult

factory for details.