Black Box ME445C-530, ME444AE-R3, ME445C-X.21 manual Pinout of the V.35 standalone’s M/34 connector

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CHAPTER 4: Installation

Table 4-4. Pinout of the V.35 standalone’s M/34 connector.

SIGNAL

ITU-TSS

LEAD

V.35

 

NAME (ABBREV.)

CIRCUIT

TYPE

PIN

 

 

 

 

 

 

Frame (Protective) Ground (FGND)

101

 

A

 

 

 

 

 

 

Signal Ground (SGND)

102

 

B

 

 

 

 

 

 

Send Data (SD)

103

A

P

 

 

 

B

S

 

 

 

 

 

 

Receive Data (RD)

104

A

R

 

 

 

B

T

 

 

 

 

 

 

Request to Send (RTS)

105

 

C

 

 

 

 

 

 

Clear to Send (CTS)

106

 

D

 

 

 

 

 

 

Data Set Ready (DSR)

107

 

E

 

 

 

 

 

 

Data Terminal Ready (DTR)

108

 

H

 

 

 

 

 

 

Received Line Signal Detector (RLSD),

109

 

F

 

a.k.a. Carrier Detect (CD)

 

 

 

 

 

 

 

 

 

Serial Clock Transmit External (SCTE),

113

A

U

 

a.k.a. External Clock (EXTC)

 

B

W

 

 

 

 

 

 

Serial Clock Transmit (SCT),

114

A

Y

 

a.k.a. Transmit Clock (TC)

 

B

AA

 

 

 

 

 

 

Serial Clock Receive (SCR),

115

A

V

 

a.k.a. Receive Clock (RC)

 

B

X

 

 

 

 

 

 

Remote Digital Loopback (RL)

140

 

HH

 

 

 

 

 

 

Local Analog Loopback (LL)

141

 

JJ

 

 

 

 

 

 

Test Mode (TM)

142

 

KK

 

 

 

 

 

 

31

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Contents Kbps Line Driver FCC and IC RFI Statements Safety Warnings Declaration of Conformity Kbps Line Driver V.35, RS-530, or NOM Statement Trademarks Used in this Manual Contents Specifications Flow Control NoneSpecifications Introduction Physical DescriptionLine driver block diagram Functional DescriptionModulation Timing Applications Point-to-point applicationTail-circuit application Installing the Card Version in the RackNest 2/14 ConfigurationPlacement of the Standalone Version Description of the Racknest 2/14’S Power Supply Configuring the Standalone or Card Version User-configurable optionsUser-configurable options Layout of the 256-kbps Line Driver circuit board Kbps Line Driver V.35, RS-530, or Installation Installing the Standalone Version in 19-Inch RacksInstalling a single unit in a 19-inch rack Installing two units in a 19-inch rack Installing the 256-kbps Line Driver Rackmount Card Version Installing a card in the RackNest 2/14RackNest 2/14 illustrated Function Installation Kbps Line Driver V.35, RS-530, or Signal ITU-TSS Lead Name Abbrev Circuit Type Rack Norm Nest PIN Pinout of the V.35 standalone’s M/34 connector DB25 DA15 Connecting Data Cables Line Connection Installation Controls and Indicators OperationOperation Operating Procedure IndicatorsLoop Tests TroubleshootingBit-Error-Rate Tester Bert Bert using loops Modem Self-Test Local Analog LoopbackLocal analog loopback Remote Digital Loopback Local Digital Loopback Remote digital loopbackCalling Black Box Local digital loopbackShipping and Packaging Appendix Maximum Distances 19-AWG 22-AWG 24-AWG 26-AWG Kbps MilesCopyright 2004. Black Box Corporation. All rights reserved