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Pin Assignments
C-113610-A2-GB41-60 March 1999
Table C-5
V.35 Connector (Port 1)
Pin(s)
Circuit Name
F nction
Pin(s)
V.35 CCITT
Function
B AB 102 Signal Ground (SG)
P, S BA 103a, b Transmit Data (TXD)
R, T BB 104a, b Received Data (RXD)
C CA 105 Request-to-Send (RTS)
D CB 106 Clear-to-Send (CTS)
E CC 107 Data Set Ready (DSR)
F CF 109 Received Line Signal Detect (LSD)
H CD 108.2 Data Terminal Ready (DTR)
HH — — Positive Test Voltage
KK — — Negative Test Voltage
U, W DA 113a, b Transmitter Signal Element Timing — DTE Source
Y, AA DB 114a, b Transmitter Signal Element Timing — DCE Source
V, X DD 115a, b Receiver Signal Element Timing — DCE Source
J RI 125 Ring Indicator (RI)
1
L LL 141 Local Loopback (LL)
N RL 140 Remote Digital Loopback (RL)
NN TM 142 Test Mode (TM)
1
Ring Indicator is only available on a DBM-V, DBM-S, or DBM-D at this time.