Sip921 Pin-Out Description - Microhard Systems IP-921 Operating Manual

3.0 Hardware Features
Pins 9-18 are reserved for factory
use. Do not use these pins for
any other purpose.
Inputs and outputs are TTL Level
unless otherwise specified.
© Microhard Systems Inc.

3.3.1 SIP921 Pin-Out Description

Vcc 1
Vcc 3
GND 5
GND 7
NC 9
NC 11
NC 13
NC 15
NC 17
TXD0 19
NC 21
CTS0 23
RTS0 25
!RXD1 27
DTR0 29
GND 31
CAT1 33
CAT2 35
LINK LED 37
RXD0_485 39
DE_485 41
!RE_485
43
NC 45
RSSI_LED3 47
RSSI_LED2 49
RSSI_LED1 51
Drawing 1: SIP921 52-pin OEM Connector Pin-out
The above drawing depicts a bottom view of the SIP921 connector.
The corner pins (1, 2, 51, and 52) are printed directly upon it for
convenient reference.
A full description of the various pin connections and functions is
provided on the pages that follow.
CONFIDENTIAL
IP9xx Series
2 VRF
4 !CONFIG
6 +3V3 FPGA
8 +3V3
10 NC
12 NC
14 NC
16 NC
18 NC
20 NC
22 CTS1
SIP921
24 RTS1
26 TXD1
JP4
28 DCD0
30 DSR0
32 GND
34 CAT4
36 CAT3
38 ACTIVITY LED
40 !RXD0_232
42 !RSMODE
44 !RESET
46 NC
48 SYS LED
50 TX LED
52 RX LED
26