Black Box COMPACT T1 MT850A - Manual (Page 507)

Compact T1 - Release 6.1 15-9
V.35/V.54 Cards
Connector Pinouts
Connector Pinouts
V.35 DCE (DB-26)
The V.35 DCE data port connection is made at the sub-miniature DB-26 connector on
the Compact T1 using the 10-foot, 25-foot, or 50 foot DTE V.35 cable equipped with
a sub-miniature DB-26 connector and a 34-pin Winchester connector.
This cable is used to connect the Compact T1 V.35 DCE data ports to synchronous
V.35 DTE data sources up to 1.536 Mbps, all rates (1-24) Nx56 or Nx64 channel-rate
progression.
The V.35 data cables are built according to the pin assignments listed below:
Sub-miniature
DB-26 Signal Winchester 34-pin
(female) Paired
Signals
1 (+ Shield) ← Protective Ground → A
]
7 ← Signal Ground → B
2 ← Transmit Data A  P
]
14 ← Transmit Data B  S
3  Receive Data A → R
]
16  Receive Data B → T
4 ← RTS  C
]
20 ← DTR  H
5  CTS → D
]
6  DSR → E
12  Test Mode → K
]
8  CD (RLSD) → F
11 ← External Clock A  U
]
24 ← External Clock B  W