參數(shù)資料
型號(hào): XE0002B
廠商: Electronic Theatre Controls, Inc.
英文描述: DAA with 2/4 Wire Hybrid
中文描述: DAA與2 / 4線(xiàn)混合
文件頁(yè)數(shù): 2/8頁(yè)
文件大小: 161K
代理商: XE0002B
Typical Connection Diagram
2/XECOM
XE0002B
PIN NAME
I/O
DESCRIPTION
Pin Descriptions
1
2
3
VDD
VCC
\RI
---
---
O
-5 Volts.
+5 Volts
Ring Indicator, output, active LO, TTL. When low indicates the
modem is receiving a ring signal.
4
RCVR
O
Analog signal output from the 2-4 wire convertor.
5
6
XMIT
XMFR
I
I
Analog signal input to the 2-4 wire convertor.
Analog input/output from the Surge and Protective Network to the
internal 2-4 wire convertor. Must be tied to pin 7, T1, to use the
internal 2-4 wire convertor.
Analog Signal input/output to the Surge and Protective network.
Off-Hook controls the hookswitch relay within the XE0002B. A high
on OH closes the internal relay and connects the equipment to the
telephone line.
Ground.
Analog Signal input/output to the Surge and Protective network.
Ring connection to the phone line (RJ11 pin4) from the internal DAA.
7
8
T1
OH
I
I
9
GND
T2
RING
---
I
---
10
17
20
TIP
---
Tip connection to the phone line (RJ11 pin3) from the internal DAA.
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