HP 5000 Router manual DCE Cable illustrates the V.35 DCE cable assembly

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54APPENDIX A: CABLE SPECIFICATIONS

V.35 DCE Cable Figure 34 illustrates the V.35 DCE cable assembly.

Assembly and Pinouts

Figure 34 V.35 DCE Cable Assembly

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

Table 25 describes V.35 DCE cable pinouts.

Table 25 V.35 DCE cable Pinouts

DB-50	Signal	Signal Direction	34PIN	Signal

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

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Contents Router 5000 Family Installation Guide 3Com Corporation Campus DriveMarlborough, MA 01752-3064Contents Troubleshooting About this Guide ConventionsProtocols that are used to interconnect WANs List conventions that are used throughout this guideRelated DocumentationIntroducing the Router Family Router 5000 Family Console Port Specifications Router 5000 FamilyHardware Fixed portsLEDs Table below describes the LEDs on the Router Lists the attributes of the Router 5000 Family AUX portGround Describes the LEDs on the Router 5232, 5642, 5682 routers Router 5232, 5642, 5682 LEDsSystem Specifications for the Router Front View of the RouterSynchronous/Asynchronous Serial Port Specifications Description Attribute Synchronous AsynchronousRouter 5232 specifications Router 5642 specificationsRouter 5682 specifications System Specifications for the Router Introducing the Router 5000 Family Installing the Router Temperature and Humidity Specification for Dust ContentDust GasesElectromagnetic Discharge Lightning DamageMounting the Router A RackInstalling the Router Connecting the PowerConnecting the Router On the WorkbenchInstalling SICs and MIMs To the Ethernet That uses category-5 twisted pair cableFixed Ethernet cables are supplied with the router Use shielded cables to ensure electromagnetic compatibilityConnecting the AUX Port to the Analog Modem Port to a CSU/DSUVerifying Installing the Router Booting and Configuring Router Connecting the Router to a Remote Console TerminalConnector to the serial port of a PC, as shown below To a Local ConsoleSetting Parameters Console TerminalTo set terminal parameters Shown belowSet the following parameters Bits per second 9600 Data bits Parity None Stop bitsHyperTerminal Window Powering on Router Connect Dialog BoxFundamentals Router ConfigurationStartup Process Configuration Fundamentals of the Router Naming and Arranging Interfaces Ethernet Serial synchronous/asynchronous Asynchronous E1/T1Introduction Boot Menu Boot MenuMaintaining the Router Upgrading application program Options of Boot ROM operation menu includeThrough XModem Send File dialog box Upgrading the entire Boot ROM program Restoring the Extended Segment of Boot ROM ProgramRestore the extended segment of Boot ROM program from Flash Upgrading the extendedIntroduction Press Enter to reboot the system Router restarts after successful upgradingBuild up FTP local upload/download environment Build up FTP remote upload/download environmentStart FTP server Add right levelSpecify FTP directory Ftpquit Cover Nothing is Displayed on the Terminal after Power-On TroubleshootingPower LED is Off Power-On Repeated RebootIllegible Characters Display onAfter Startup, All LEDs Remain On RUN LED Remains OnRUN LED Blinks Rapidly During Sartup RUN LED Blinks Slowly After StartupTroubleshooting Cable Specifications Signal Direction DB-25 DB-9Console Cable Console Cable PinoutsAUX Cable Ethernet CableSignal Category Signal Direction Signal Twisted Pair Signal DirectionStraight-through Network Cable Pinouts Crossover Network Cable PinoutsSerial Interface Cable Synchronous and Asynchronous Mode DTE and DCE ModeTypical DTE and DCE EIA/TIA-232 Maximum Transmission Baud rate bps Distance mDB-50 Signal Signal Direction DB-25 PinoutsDescribes the V.24 DTE cable pinouts 24 DTE Cable PinoutsDCE Cable illustrates the V.24 DCE cable assembly Assembly and PinoutsDescribes the V.24 DCE cable pinouts 24 DCE Cable Pinouts35 DTE Cable Pinouts DB-50 Signal Signal DirectionDescribes the V.35 DTE cable pinouts DCE Cable illustrates the V.35 DCE cable assembly Describes V.35 DCE cable pinouts 35 DCE cable PinoutsDumb Terminal Adapter E1 CableT1 Cable Describes T1 cable pinoutsIsdn cables Pin 4 and pin 5 are the receiving endProduct Warranty, you can obtain an RMA number online at Password Contact UsNumber, URL or e-mail address from the list below Support telephone numbers posted on the 3Com web site atLatin America Telephone Technical Support and Repair US and Canada Telephone Technical Support and RepairAppendix a Obtaining Support for Your Product