Black Box X.25 PAD-2 - Manual (Page 2)

Compliance: CE (EN55022,
EN 50082-1, EN 60950) Class A;
FCC Class A, IC Class/classe A
Interfaces:
Channel 1 (to packet-switched
synchronous link):
MX320A-HS: ITU V.35
proprietarily pinned on
DB25, DTE;
MX325A-HS: EIA/TIA RS-232/
ITU V.24/V.28, DTE;
Channels 2 and 3 (to local async
devices): EIA/TIA RS-232/
ITU V.24/V.28 proprietarily
pinned on RJ-45, DCE
Protocols:
Channel 1: Synchronous 1988
ITU X.25 LAP-B or Frame
Relay; for Frame Relay,
supports CCLM, LMI, and
ANSI PVC management
protocols, as well as ANSI
T1.606, T1.617 Annex D, T1.618,
and ITU Q.922 Annex A;
Channels 2 and 3: Asynchronous
SLIP or X.28 (user-selectable)
Clock Source: Channel 1: Internal or
external for receive and transmit
paths, user-selectable
Data Rate:
Channel 1:
MX320A-HS: Up to 2 Mbps,
user-selectable;
MX325A-HS: Up to 128 kbps,
user-selectable;
Channels 2 and 3: 75 bps to
115.2 kbps, user-selectable
Data Format: Channels 2 and 3: 5, 6,
7, or 8 data bits; even, odd, mark,
space, or no parity; 1, 1.5, or
2 stop bits; user-selectable
Flow Control: Channels 2 and 3:
Hardware (DTR/CTS) or software
(X-ON/X-OFF), user-selectable
Other Characteristics for
Channels 2 and 3:
Log-on messages: Herald and
bulletin, user-definable;
Command modes: ITU X.28 (with
proprietary extensions) and
X.29;
Terminal handling: Enhanced,
beyond the requirements of
ITU X.3
Packet Size: Up to 4 KB for X.25 or
8 KB for Frame Relay
Maximum Distance:
Up to 50 ft. (15.2 m) to attached
devices;
MX320A-HS: If unbalanced
control leads aren’t required,
transmission across 500 ft.
(152.4 m) or more might be
possible to/from Channel 1
only
Memory: 512 KB RAM
User Controls:
Top-mounted reset button;
(1) Internal board-mounted
jumper for power-up settings
Indicators: (6) Top-mounted LEDs:
(1) POWER (lights green while
unit is powered);
(1) ERROR (lights red if a
hardware malfunction is
detected);
(1) SYNC (lights or flashes green
to show status of
synchronization between
linked PAD-2s);
(3) DATA (one for each
channel—these light or flash
yellow in response to data
activity on the corresponding
port)
Connectors:
(1) Left-side-mounted DB25
female for channel 1 (patch
cable provided to M/34 female
on MX320 models);
(2) Right-side-mounted RJ-45
female for channels 2 and 3;
(1) Front-mounted barrel jack for
power
Temperature Tolerance: 32 to 122˚F
(0 to 50˚C)
Humidity Tolerance: Up to 90%
noncondensing
Power:
Through desktop power supply:
Input: 100 to 250 VAC, 47 to
63 Hz (autosensing), at
approximately 300 mA;
Output: 5 VDC at up to 1.5 A;
Consumption: 3.5 watts maximum
Size: 0.9"H x 2.1"W x 4.3"D
(2.3 x 5.4 x 11 cm)
Weight: 3.3 oz. (90 g)
Mainframe or
server
X.25
PAD-2
X.25
PAD-2
Frame
Relay
CSU/DSU CSU/DSU
Back-office
PC
Serial POS
terminal
Specifications
Ordering Information
ITEM CODE
X.25 PAD-2
V.35 .....................................................................MX320A-HS
RS-232................................................................MX325A-HS
You might also need:
CSU/DSU MS ........................................................MT132A-R2
V.35 Cable, M/34 M/M (specify length).........EYN450-MM
RS-232 Cable (specify length)
DB25 M/F..........................................................ECM25C-MF
DB25 M/M......................................................ECM25C-MM
CAT5 unshielded twisted-pair cable, RJ-45 M/M,
specify length...........................................EYN737MS-MM
8-Wire Modular Adapter Kits (unassembled)
RJ-45 F
↔DB9 F...........................................................FA065
RJ-45 F
↔DB25 F.........................................................FA027
RJ-45 F
↔DB25 M.......................................................FA025
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