HP Model 712/100 hp 9000 series 700 model 712 technical reference manual (a261 - Page 27

HP A2878A 2n Mon.tor C&r, workst&t.on pl&t+orm²

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Page 27 highlights

Expansion Slot The Expansion Slot is one of eight master capable devices on the GSC. The other seven are: CPU, SCSI, LAN, Parallel, Audio, Interrupts, and floppy. All devices serviced by the arbitration controller are given equal priority. The CPU is the only device that will be granted the bus without having requested it. The Expansion Slot is connected to the GSC with the same signals as does the I/O ASIC. The slot currently supports the following cards: HP A4011A IBM Token Ring Card HP A4013A 2nd Serial Card HP A4014A 2nd LAN/Serial Card HP A4015A X.25/Serial Card HP A2878A 2nd Monitor Card HP Teleshare Slot The Teleshare Slot is a non-industry standard I/O option slot. Currently this slot only supports the A4012A Teleshare card. System connections are made through the I/O ASIC. The ASIC has circuitry that implements two standard TTY interfaces. These TTY interfaces use the standard TTY driver. They connect directly (not through RS-232 hardware) to the Teleshare hardware. Serial control bits are implemented allowing for "normal" RTS/CTS hardware handshake. The workstation digital audio signals to the built-in CODEC flow through the Teleshare hardware so that telephone audio may be mixed in. The existing audio connections (headphones and microphone) are used for the user interface. The I/O panel of the Teleshare card has twin RJ-14 jacks for connecting directly to the PSTN. RJ-14 jacks support two phone lines as opposed to RJ-11 which supports only one. The second RJ-14 jack can be used to connect a second line to the PSTN or connect to a user provided one or two line phoneset or fax to the Model 712 workstation platform. The international version of this card has two 15 pin, custom jacks for connections of external (localized) DAA modules. Model 712 Technical Reference System Board 2-7

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2-7
!yst*m Bo&r)
Mo)*l 712 "*(±n.(&l °*+*r*n(*
Expansion Slot
"±* Exp&ns.on !lot .s on* o+ *.,±t m&st*r (&p&’l* )*v.(*s on t±* G!C² "±* ot±*r s*v*n &r*: CP#³
!C!I³ LAN³ P&r&ll*l³ Au).o³ Int*rrupts³ &n) +loppy²
All )*v.(*s s*rv.(*) ’y t±* &r’.tr&t.on
(ontroll*r &r* ,.v*n *qu&l pr.or.ty² "±* CP# .s t±* only )*v.(* t±&t w.ll ’* ,r&nt*) t±* ’us w.t±out
±&v.n, r*qu*st*) .t² "±* Exp&ns.on !lot .s (onn*(t*) to t±* G!C w.t± t±* s&m* s.,n&ls &s )o*s
t±* I/O A!IC²
"±* slot (urr*ntly supports t±* +ollow.n, (&r)s:
HP A4011A IBM "ok*n °.n, C&r)
HP A4013A 2n) !*r.&l C&r)
HP A4014A 2n) LAN/!*r.&l C&r)
HP A4015A X²25/!*r.&l C&r)
HP A2878A 2n) Mon.tor C&r)
HP Teleshare Slot
"±* "*l*s±&r* !lot .s & non-.n)ustry st&n)&r) I/O opt.on slot² Curr*ntly t±.s slot only supports
t±* A4012A "*l*s±&r* (&r)² !yst*m (onn*(t.ons &r* m&)* t±rou,± t±* I/O A!IC² "±* A!IC ±&s
(.r(u.try t±&t .mpl*m*nts two st&n)&r) ""Y .nt*r+&(*s² "±*s* ""Y .nt*r+&(*s us* t±* st&n)&r)
""Y )r.v*r² "±*y (onn*(t ).r*(tly ´not t±rou,± °!-232 ±&r)w&r*µ to t±* "*l*s±&r* ±&r)w&r*²
!*r.&l (ontrol ’.ts &r* .mpl*m*nt*) &llow.n, +or ¶norm&l¶ °"!/C"! ±&r)w&r* ±&n)s±&k*² "±*
workst&t.on ).,.t&l &u).o s.,n&ls to t±* ’u.lt-.n CODEC +low t±rou,± t±* "*l*s±&r* ±&r)w&r* so
t±&t t*l*p±on* &u).o m&y ’* m.x*) .n²
"±* *x.st.n, &u).o (onn*(t.ons ´±*&)p±on*s &n)
m.(rop±on*µ &r* us*) +or t±* us*r .nt*r+&(*² "±* I/O p&n*l o+ t±* "*l*s±&r* (&r) ±&s tw.n °J-14
j&(ks +or (onn*(t.n, ).r*(tly to t±* P!"N² °J-14 j&(ks support two p±on* l.n*s &s oppos*) to
°J-11 w±.(± supports only on*² "±* s*(on) °J-14 j&(k (&n ’* us*) to (onn*(t & s*(on) l.n* to
t±* P!"N or (onn*(t to & us*r prov.)*) on* or two l.n* p±on*s*t or +&x to t±* Mo)*l 712
workst&t.on pl&t+orm²
"±* .nt*rn&t.on&l v*rs.on o+ t±.s (&r) ±&s two 15 p.n³ (ustom j&(ks +or
(onn*(t.ons o+ *xt*rn&l ´lo(&l.z*)µ DAA mo)ul*s²