User guide

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Installing the SCOPIA Gateway 51

Serial Gateway Cable Connections and Pin-outs

Request To SendRTS B 1925191919—

Receive Timing RXC B 9 26 9 9 9 X

Clear To SendCTS B 1327131313—

Data Set ReadyDSR B 22292222——

Data Terminal

ready

DTR B 23302323——

Carrier DetectDCD B 1031101010—

Terminal Timing TT B 11 35 11 11 11 W

Local LoopbackLL —1018—18L, K

Remote

Loopback

RLB — 14 21 — 21 N

Loss of Sync LOS

unbalanced

3136————

Loss of Sync LOS A — 3 — 18 — —

Loss of Sync LOS B — 21 — 21 — —

Table 2-7 Serial Gateway Data Interface Cable Pin-out (continued)

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)