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參考價 : $元
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| Aggregate Cards |
Low
Speed (single & dual) |
Wideband |
High
Speed (single & dual) |
| Speeds |
1.2 to 19.2 Kbps (9.6
Kbps dual) |
2.4 to 72 Kbps |
2.4 to 768 Kbps (384 Kbps
dual) |
| Protocol |
Modified HDLC sync |
Modified HDLC sync |
Modified HDLC sync |
| Interface |
RS-232, V.24/28 |
RS-232, V.35 |
RS-232, V.35, V.11 |
| Channel Cards |
Universal |
Asynchronous |
| Number of Channels |
4 |
4 or 8 |
| Speeds |
50, 75, 110, 134.5, 150,
200, 300, 600 bps; 1.2, 1.8, 2.4, 4.8, 7.2, 9.6, 14.4, &
19.2 Kbps (sync and async speeds combined) |
75, 110, 134.5, 150, 300,
600 bps; 1.2, 1.8, 2.4, 4.8, 9.6, & 19.2 Kbps (4-channel
only) |
| Async Codes |
5, 6, 7, or 8 bits with
1, 1.5, or 2 stop bits |
5, 6, 7, or 8 bits with
1, 1.5, or 2 stop bits |
| Async Protocols
|
HP 3000 ENQ/ACK, Wang,
Async, polled Async, Isochronous (clocked async) |
HP 3000 ENQ/ACK, Async |
| Sync Protocols
|
IBM Bisync (2780, 3780,
and 3270), Sperry Univac Uniscope (U100, U200, U400, and UTS20),
DDCMP, NCR, Burroughs poll/select, Honeywell VIP 7700, CDC UT200,
ICL, SDLC/HDLC (any bit-oriented protocol using starting and
ending flags of 7E Hex such as X.25, SNA, and LAPD), SDLC NRZI,
and IPARS |
N.A. |
| Operating Modes
|
Dedicated or dial-up |
Dedicated or dial-up |
| Interface |
RS-232, V.24/28; DB-25
type female connector |
RS-232, V.24/28; DB-25
type female connector |
| Autobaud (ABR)
|
110 to 9600 bps Carriage
Return;
110 to 1200 bps Memorex |
110 to 9600 bps Carriage
Return;
110 to 1200 bps Memorex |
| Autoparity |
110 to 9600 bps |
110 to 9600 bps |
| Flow Control |
In-band:
X- OFF/X-ON (DC1/DC2, DC1/DC3), user-programmable.
Out-of-band: CTS raise/lower, HP 3000 ENQ/ACK,
Tandem, Data General |
In-band:
X- OFF/X-ON (DC1/DC2, DC1/DC3), user-programmable.
Out-of-band: CTS raise/lower, HP 3000 ENQ/ACK,
Tandem, Data General |
| Modem Card |
Integral Modem for Low Speed Single and Dual
Aggregate Cards |
| Line Requirements |
4-wire dedicated Type 3002 unconditioned
voice channels. If link error rate is critical, additional conditioning
such as C2 and/or D1 is recommended. |
| Speeds |
2400, 4800, 7200, and 9600 bps |
| Compatibility |
V.29 and V.27 bis/ter |
| Interface |
V.24 (RS-232 compatible) |
| Loopbacks |
Local V.54 Type 3; Remote V.54 Type
4 |
| Supervisory Interface |
RS-232, V.24/28 compatible
DB-25 connector on aggregate card; connects to ASCII terminal
or optional front panel |
| Power Requirements |
90-132 VAC/180-264 VAC, 47-63 Hz |
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