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Installation and Upgrade Guide for Cisco Unified Videoconferencing 3545 PRI Gateway and 3545 Serial Gateway Release 5.5
OL-14912-01
Chapter 2 Installing the Cisco Unified Videoconferencing 3545 Gateway
Serial Gateway Cable Connections and Pin-outs
Data Interface Cable Pin-out Configurations
Table 2-7 describes the data interface pin-out configuration for the serial gateway cables.
Table 2-7 Serial Gateway Data Interface Cable Pin-out
Signal Name Mnemonic
KIV-7 (DB-37)
DTE only
EIA-449 (DB-37)
EIA-530 (DB-25)
EIA-530 LOS (DB-25)
DTE only
EIA-530A LOS (DB-25)
DTE only
V.35 (M-34)
Shield — 11111A
Transmit Data TXD A 24222P
Transmit Timing TXC A 15 5 15 15 15 Y
Receive Data RXD A 36333R
Request To Send RTS A 47444C
Receive Timing RXC A 17 8 17 17 17 V
Clear To Send CTS A 59555D
Data Set Ready DSR A 611666E
Data Terminal ready DTR A 2012202020H
Carrier Detect DCD A 813888F
Terminal Timing TT A 2417242424U
Signal Ground — 2719777B
Transmit Data TXD B 14 22 14 14 14 S
Transmit Timing TXC B 12 23 12 12 12 AA
Receive Data RXD B 1624161616T
Request To Send RTS B 1925191919—
Receive Timing RXC B 926999X
Clear To Send CTS B 1327131313—
Data Set Ready DSR B 22292222——
Data Terminal ready DTR B 23302323——
Carrier Detect DCD B 1031101010—
Terminal Timing TT B 1135111111W
Local Loopback LL — 10 18 — 18 L, K
Remote Loopback RLB — 14 21 — 21 N
Loss of Sync LOS unbalanced3136————
Loss of Sync LOS A — 3 — 18 — —
Loss of Sync LOS B — 21 — 21 — —