Connector And Pin Assignment Of Ethernet Control Head (Ech); Figure 64: View Of The Ethernet Control Head (Ech) With Mobile Microphone Port Connector - Motorola Malux MTM5x00 Series Installation Manual

68015000181-LB
Chapter 5: Connectors and PIN Assignment
Pin Function
13 GND
14 GPIO_5
15 GPI_7
16 1_WIRE
17 HANDSET
18 GND
19 MIC_REAR_1
20 GPIO_4
21 USB_D +
22 USB_D -
23 RTS
24 CTS
25 PWR_ON
5.7

Connector and Pin Assignment of Ethernet Control Head (eCH)

Figure 64: View of the Ethernet Control Head (eCH) with Mobile Microphone Port Connector

1
1 2
3 4
5 6
8
7
9
10
Number Description
1 View of the Ethernet Control Head's Mobile Microphone Port Connector
2 Ethernet Control Head
106
Description
Ground
NGCH GPIO1 (CPS configurable)
4-Level Analogue Input
GCAI PIN 1: Bi-directional Serial Bus
GCAI PIN 3: Handset Audio Output
GCAI PIN 5: Ground
External Microphone Input (MIC_REAR_1),
Connected to GCAI PIN 7, Nominal sensitivi-
ty 80mVrms Bias voltage 9.3 V, (Ground PIN
8 to activate)
GCAI PIN 9: GPIO
Second USB D +
Second USB D -
4-wire RS232 RTS
4-wire RS232 CTS
Enhanced Control Head Power On Input
2
Default
Disabled
Enabled
Disabled
Parallel to front GCAI
Disabled
Hook Input
Send Feedback