Appendix a. rs485 communication, A.1 connector (rj-11 6p6c), A.2 id address mapping – Elmo ESD-CC1 User Manual

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Appendix A. RS485 Communication

A.1 Connector (RJ-11 6P6C)

Pin No. Definition

Direction

1 - -
2 +12V

in

Power

3 GND

Power

4 DA I/O
5 DB I/O
6 - -

*pin 3,4,5 are basic connection, pin 2 is optional.

A.2 ID Address Mapping

A. System ID setting

Item

ID address

Device name

Remark

1 00H,0

Host controller

Keyboard or computer

2 01H–DFH, 1~223

Speed dome

Total 223 Dome cameras

3 E0H–EFH, 224~239

Multiplexer

224~239 ( Mpx1~Mpx16)

4 F0H–FEH, 240~254

Control keyboard

CCTV control keyboard

5 FFH,

255

Matrix

B. Multiplexer (MPX) Channels and Camera ID Mapping

MPX #

MPX ID

Camera ID

Remark

1

E0H,224

01H – 10H\ 1~16

Map to channel 1~16 of MPX

2

E1H,225

11H – 20H\ 17~32

3

E2H,226

21H – 30H\ 33~48

4

E3H,227

31H – 40H\ 49~64

5

E4H,228

41H – 50H\ 65~80

6

E5H,229

51H – 60H\ 81~96

7

E6H,230

61H – 70H\ 97~112

8

E7H,231

71H – 80H\ 113~128

9

E8H,232

81H – 90H\ 129~144

10

E9H,233

91H – A0H\ 145~160

11

EAH,234

A1H – B0H\ 161~176

12

EBH,235

B1H – C0H\ 177~192

13

ECH,236

C1H – D0H\ 193~208

14

EDH,237

D0H – DFH\ 209~223

Only 15 Dome can be connect

15

EEH,238

None

Can connect to normal camera

16

EFH,239

None

Can connect to normal camera

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