Data modules and asynchronous data units
555-233-116
60
Issue 4 October 2002
* Circuits are not used for asynchronous operation. Outputs are clamped OFF and inputs are ignored.
Configuring the 7400A for data communications
equipment (DCE) applications
If you are not going to use the 7400A data module in a modem pool, proceed as
follows.
9
—
Reserved for Testing
+12 volts
—
10
—
Reserved for Testing
-12 volts
—
11
— Not
used
—
—
12
CI
Data Signal Rate Select (DCE Source)
Output
Input
13
CI2
Data Signal Rate Select 2 (DCE Source)
— Input
14
— Not
used
—
—
15
DB*
Transmitter Signal Element Timing (DCE
Source)
Output Input
16
— Not
used
—
—
17
DD*
Receiver Signal Element Timing (DCE
Source)
Output Input
18
LL
Local Loopback
Input
Output
19
CH2
Data Signal Rate Select 2 (DTE Source)
— Output
20
CD (DTR)
Data Terminal Equipment Ready
Input
Output
21 RL
Remove
Loopback
Input
Output
22
CE (RI)
Ring Indicator
Output
Input
23
CH
Data Signal Rate Select (DTE Source)
Input
Output
24
DA*
Transmit Signal Element Timing (DTE
Source)
Input
Output
25
TM
Test Mode
Output
Input
Pin
Name
Function
DCE
DTE
Continued on next page
Summary of Contents for MultiVantage
Page 6: ......
Page 24: ...About this book 555 233 116 24 Issue 4 October 2002...
Page 120: ...DEFINITY LAN gateway system 555 233 116 120 Issue 4 October 2002...
Page 134: ...Terminal server installation 555 233 116 134 Issue 4 October 2002...
Page 162: ...ISDN converters and adapters 555 233 116 162 Issue 4 October 2002...
Page 172: ...Busy tone disconnect equipment for non U S installations 555 233 116 172 Issue 4 October 2002...
Page 178: ...Call detail recording CDR option settings 555 233 116 178 Issue 4 October 2002...
Page 188: ...DEFINITY INADS 555 233 116 188 Issue 4 October 2002...
Page 196: ...Music on hold 555 233 116 196 Issue 4 October 2002...
Page 224: ...Multimedia communications products MMCX MMCH ESM 555 233 116 224 Issue 4 October 2002...
Page 242: ...Connector and Cable Pinout Charts 555 233 116 242 Issue 4 October 2002...