Verilink WANsuite 7205 (34-00317.B) Product Manual Manual de usuario Pagina 214

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A-8 WANsuite 7205
Connector Pin Assignments
The Serial Interface is a standard DB-25 jack.
Serial Interface Pin Assignments for DTE Mode (Packet Use
Only)
*This refers to the DB-25 Serial interface connector on the back of the unit.
Function Abbrev. Direction
Pin #
DB-25* RS-232 V.35 EIA-530
Frame Ground FG n/a 1 1 A 1
Transmit Data TD Output 3 2 P 2
Receive Data RD Input 2 3 R 3
Request to Send RTS Output 5 4 C 4
Clear to Send CTS Input 4 5 D 5
Data Set Ready DSR Input 20 6 E 6
Signal Ground SG n/a 7 7 B 7
Data Carrier Detect DCD Input 8 8 F 8
Balanced Receiver Clock (B)RC Input 12 X 9
Balanced Data Carrier Detect (B)DCD Input 10 10
Balanced External Transmitter
Clock
(B)ETC
Balanced Transmitter Clock (B)TC Input 11 AA 12
Balanced Clear to Send (B)CTS Input 19 13
Balanced Transmit Data (B)TD Output 16 S 14
Transmitter Clock TC Input 24 15 Y 15
Balanced Receive Data (B)RD Input 14 T 16
Receiver Clock RC Input 15 17 V 17
Local Loopback Loop 3 Output 18 18 J 18
Balanced Request to Send (B)RTS Output 13 19
Data Terminal Ready DTR Output 6 20 H 20
(Not Used) n/a 21 21 21
Balanced Data Set Ready (B)DSR Input 23 22
Balanced Data Terminal Ready (B)DTR Output 22 23
External Transmitter Clock ETC
(Not Used) n/a 25 25 25
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