Describes the V.35 DTE cable pinouts

Serial Interface Cable

V.35 DTE Cable Assembly Figure 33 illustrates the V.35 DTE cable assembly. and Pinouts

Figure 33 V.35 DTE Cable Assembly

		V.35 Male
Enlarged A side	DB50 Male	Label
Enlarged A side		Enlarged B side

Table 24 describes the V.35 DTE cable pinouts.

Table 24 V.35 DTE Cable Pinouts

DB-50	Signal	Signal Direction	34PIN	Signal

2	RTS/CTS	—>	C	RTS
31	CTS/RTS	<—	D	CTS
6	DSR/DTR	<—	E	DSR
30	DCD/LL	<—	F	RLSD
26	DTR/DSR	—>	H	DTR
1	LL/DCD	—>	K	LT
15	TxD/RxD+	—>	P	SD+
39	TxD/RxD-	—>	S	SD-
20	RxD/TxD+	<—	R	RD+
44	RxD/TxD-	<—	T	RD-
16	TxCE/TxC+	—>	U	SCTE+
40	TxCE/TxC-	—>	W	SCTE-
19	RxC/TxCE+	<—	V	SCR+
43	RxC/TxCE-	<—	X	SCR-
18	TxC/RxC+	<—	Y	SCT+
42	TxC/RxC-	<—	AA	SCT-
50	GND	-	A	Shield_GND
7	GND	-	B	Circuit_GND
24	RxD-REST	GND	-	-
49	RxC-REST	GND	-	-
25	TxC-REST	GND	-	-

Page 55

Image 55

HP 5000 Router manual Describes the V.35 DTE cable pinouts, DTE Cable Pinouts, DB-50 Signal Signal Direction

Contents

Router 5000 Family Installation Guide 01752-3064 3Com CorporationCampus Drive Marlborough, MA Contents Troubleshooting List conventions that are used throughout this guide About this GuideConventions Protocols that are used to interconnect WANs Documentation Related Introducing the Router Family Fixed ports Router 5000 Family Console Port SpecificationsRouter 5000 Family Hardware Ground Lists the attributes of the Router 5000 Family AUX portLEDs Table below describes the LEDs on the Router Router 5232, 5642, 5682 LEDs Describes the LEDs on the Router 5232, 5642, 5682 routers Front View of the Router System Specifications for the Router Description Attribute Synchronous Asynchronous Synchronous/Asynchronous Serial Port Specifications Router 5642 specifications Router 5232 specifications Router 5682 specifications System Specifications for the Router Introducing the Router 5000 Family Installing the Router Gases Temperature and HumiditySpecification for Dust Content Dust Lightning Damage Electromagnetic Discharge A Rack Mounting the Router On the Workbench Installing the RouterConnecting the Power Connecting the Router Installing SICs and MIMs Use shielded cables to ensure electromagnetic compatibility To the EthernetThat uses category-5 twisted pair cable Fixed Ethernet cables are supplied with the router Port to a CSU/DSU Connecting the AUX Port to the Analog Modem Verifying Installing the Router To a Local Console Booting and Configuring RouterConnecting the Router to a Remote Console Terminal Connector to the serial port of a PC, as shown below Shown below SettingParameters Console Terminal To set terminal parameters Parity None Stop bits Set the following parameters Bits per second 9600 Data bits HyperTerminal Window Connect Dialog Box Powering on Router Startup Process ConfigurationFundamentals Router Configuration Fundamentals of the Router Ethernet Serial synchronous/asynchronous Asynchronous E1/T1 Naming and Arranging Interfaces Maintaining the Router Boot Menu Boot MenuIntroduction Through XModem Options of Boot ROM operation menu includeUpgrading application program Send File dialog box Upgrading the extended Upgrading the entire Boot ROM programRestoring the Extended Segment of Boot ROM Program Restore the extended segment of Boot ROM program from Flash Introduction Router restarts after successful upgrading Press Enter to reboot the system Build up FTP remote upload/download environment Build up FTP local upload/download environment Specify FTP directory Add right levelStart FTP server Ftpquit Cover Power LED is Off TroubleshootingNothing is Displayed on the Terminal after Power-On Display on Power-OnRepeated Reboot Illegible Characters RUN LED Blinks Slowly After Startup After Startup, All LEDs Remain OnRUN LED Remains On RUN LED Blinks Rapidly During Sartup Troubleshooting Console Cable Pinouts Cable SpecificationsSignal Direction DB-25 DB-9 Console Cable Ethernet Cable AUX Cable Crossover Network Cable Pinouts Signal Category Signal DirectionSignal Twisted Pair Signal Direction Straight-through Network Cable Pinouts EIA/TIA-232 Maximum Transmission Baud rate bps Distance m Serial Interface Cable Synchronous and Asynchronous ModeDTE and DCE Mode Typical DTE and DCE 24 DTE Cable Pinouts DB-50 Signal Signal Direction DB-25Pinouts Describes the V.24 DTE cable pinouts 24 DCE Cable Pinouts DCE Cable illustrates the V.24 DCE cable assemblyAssembly and Pinouts Describes the V.24 DCE cable pinouts Describes the V.35 DTE cable pinouts DB-50 Signal Signal Direction35 DTE Cable Pinouts Describes V.35 DCE cable pinouts 35 DCE cable Pinouts DCE Cable illustrates the V.35 DCE cable assembly Describes T1 cable pinouts Dumb Terminal AdapterE1 Cable T1 Cable Pin 4 and pin 5 are the receiving end Isdn cables Product Support telephone numbers posted on the 3Com web site at Warranty, you can obtain an RMA number online at PasswordContact Us Number, URL or e-mail address from the list below US and Canada Telephone Technical Support and Repair Latin America Telephone Technical Support and Repair Appendix a Obtaining Support for Your Product

Figure 33 V.35 DTE Cable Assembly

Table 24 describes the V.35 DTE cable pinouts.

Table 24 V.35 DTE Cable Pinouts

DB-50

Signal

Signal Direction

34PIN