Datasheet

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FRI V.35 Port Pin Assignments
Table C-24 contains a listing of IGX V.35 pin assignments for the Frame Relay FRI card. A standard
V.35 cable is used for this application.
Table C-24 FRI V.35 Port Pin Assignments
Data Cabling
This section contains Table C-25 through Table C-34. These tables describe the cables for the LDM
and HDM card sets. (The HDM and LDM are high-speed and low-speed data cards.)
Table C-25 Synchronous Data Cables
Pin No. Name Source Description
A Gnd. both Protective (Shield) ground
B Sig. Gnd. both Signal ground
C RTS DTE Request to Send
D CTS DCE Clear to Send
E DSR DCE Data Set Ready
F DCD DCE Data Carrier Detect
H DTR DTE Data Terminal Ready
L LLB DTE Local Loopback command to user device
N RLB DTE Remote Loopback command to user device
n TM DTE Test Mode indicates user device. ready for test
P/S TxD DTE Transmit Data from DTE
R/T RxD DCE Receive Data to DTE
U/W XTC DTE External Transmitter Clock
V/X RxC DCE Receiver Clock
Y/a TxC DCE Transmitter Clock
Cable Parameter Description
Cable Type: Standard EIA/TIA-232C/D (V.24), V.35, or EIA/TIA-449/422 (with
adaptor cable for X.21).
Cable Connectors: EIA/TIA-232C/D (V.24): DB-25 Subminiature, male.
V.35: 34 pin M block-type (Winchester), male.
EIA/TIA-449/422: DB-37 Subminiature, male.
Max. Cable Length: Not to exceed interface standards.